SIGNIFICANT ACCOUNTING POLICIES (Details - Taxes) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Proceeds and Excess Tax Benefit from Share-based Compensation		$ 12,900
Provisional estimate for remeasurement of deferred tax assets and liabilities from Tax Cuts and Jobs Act	$ 9,100	$ 9,062	$ 0	$ 0
New Accounting Pronouncement or Change in Accounting Principle, Retrospective Adjustment to Cash Flow Presentation			5,800	$ 4,600
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets			$ 1,400