GOODWILL AND INTANGIBLE ASSETS (Details - Balance Sheet) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Beginning Goodwill	$ 596,456
Beginning accumulated impairment losses	(483,088)
Beginning net goodwill	113,368
Ending Goodwill	607,991
Ending accumulated impairment losses	483,088
Beginning net goodwill	124,903
Intangible Assets, Net (Including Goodwill) [Abstract]
Intangible assets with indefinite lives	10,142	$ 10,142
Intangible assets with definite lives, net	71,512	70,983
Total intangible assets, net	81,654	$ 81,125
Ovation
Goodwill [Roll Forward]
Acquisition of Ovation	11,535
Goodwill, Impairment Loss	0
Beginning net goodwill	$ 11,535