INCOME TAXES (Details - Other) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	$ (1,000)	$ 2,000
Cash tax benefits resulting in net operating loss carryforward	5,000	1,000	$ 1,000
Income from U.S. sources	135,000	2,000	71,000
Income from foreign sources	2,000	1,000	273
Income taxes paid	34,000	1,000	$ 3,000
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	(1,000)	(551)
Net operating loss carryforward	27,000
Domestic Country [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	$ 49,000
Operating loss carryforwards, first expiration date	Dec. 31, 2020
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Change in valuation allowance		$ 2,000
Net operating loss carryforward	$ 6,000
Operating loss carryforwards, first expiration date	Dec. 31, 2020
Income tax credit carryforward	$ 3,000