GOODWILL AND INTANGIBLE ASSETS (Details - Balance Sheet) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jan. 10, 2019	Dec. 31, 2018	Oct. 31, 2018	Jun. 11, 2018
Goodwill [Roll Forward]
Goodwill	$ 903,072		$ 831,435
Accumulated impairment losses	(483,088)		(483,088)
Net goodwill	419,984		348,347
Intangible Assets, Net (Including Goodwill) [Abstract]
Intangible assets with indefinite lives	10,142		10,142
Intangible assets with definite lives, net	199,450		195,557
Total intangible assets, net	209,592		$ 205,699
Ovation
Goodwill [Line Items]
Increase to goodwill due to acquisitions	20
Impairment losses during period related to goodwill	0
Goodwill [Roll Forward]
Net goodwill	11,280				$ 11,300
QuoteWizard
Goodwill [Line Items]
Increase to goodwill due to acquisitions	173
Impairment losses during period related to goodwill	0
Goodwill [Roll Forward]
Net goodwill	183,036			$ 183,000
ValuePenguin
Goodwill [Line Items]
Increase to goodwill due to acquisitions	71,444
Impairment losses during period related to goodwill	0
Goodwill [Roll Forward]
Net goodwill	$ 71,444	$ 71,400