LOSS FROM FOUNDRY PARTNERS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loss from European foundry supply [Line Items]
(Gain) loss from foundry arrangement	$ (3,034,000)	$ 10,628,000	$ 0
Allowance for Doubtful Accounts Receivable, Charge-offs	600,000	(6,495,000)	0
Take-or-pay Agreement to Purchase Wafers from a European Foundry [Member]
Loss from European foundry supply [Line Items]
Loss from excess wafer		(10,600,000)
(Gain) loss from foundry arrangement	7,400,000
Write-off of excess wafer	10,400,000
Write-off a wafer prepayment	1,900,000
Reduction of previously recorded take-or-pay liability	$ (4,900,000)