GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of balance of goodwill and intangible assets, net

The balance of goodwill and intangible assets, net is as follows (in thousands): 

	March 31, 2018			December 31, 2017
Goodwill	$	596,456		$	596,456
Accumulated impairment losses	(483,088		)	(483,088		)
Net goodwill	$	113,368		$	113,368
Intangible assets with indefinite lives	$	10,142		$	10,142
Intangible assets with definite lives, net	66,893			70,983
Total intangible assets, net	$	77,035		$	81,125

Schedule of intangible assets with definite lives

Intangible assets with definite lives relate to the following (in thousands):

	Cost		Accumulated Amortization			Net
Technology	$	37,500	$	(10,951	)	$	26,549
Customer lists	33,100		(3,977		)	29,123
Trademarks and tradenames	6,942		(2,310		)	4,632
Tenant leases	1,362		(630		)	732
Website content	7,800		(1,950		)	5,850
Other	256		(249		)	7
Balance at March 31, 2018	$	86,960	$	(20,067	)	$	66,893

	Cost		Accumulated Amortization			Net
Technology	$	37,500	$	(8,694	)	$	28,806
Customer lists	33,100		(3,239		)	29,861
Trademarks and tradenames	6,942		(1,992		)	4,950
Tenant leases	1,362		(504		)	858
Website content	7,800		(1,300		)	6,500
Other	256		(248		)	8
Balance at December 31, 2017	$	86,960	$	(15,977	)	$	70,983

Schedule of amortization of intangible assets with definite lives for the next five years

Amortization of intangible assets with definite lives is computed on a straight-line basis and, based on balances as of March 31, 2018, future amortization is estimated to be as follows (in thousands):

	Amortization Expense
Remainder of current year	$	12,160
Year ending December 31, 2019	15,995
Year ending December 31, 2020	13,970
Year ending December 31, 2021	5,763
Year ending December 31, 2022	3,902
Thereafter	15,103
Total intangible assets with definite lives, net	$	66,893