LOSS FROM EUROPEAN FOUNDRY ARRANGEMENTS Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Loss from European foundry supply [Line Items]
(Recovery) impairment of receivable from foundry supplier	$ 0	$ 485	$ 600
Take-or-pay Agreement to Purchase Wafers from a European Foundry [Member]
Loss from European foundry supply [Line Items]
Loss (gain) from foundry arrangement		7,400
Write-off of excess wafer		10,400
Write-off a wafer prepayment		1,900
Reduction of previously recorded take-or-pay liability		$ (4,900)