LOSS FROM FOUNDRY PARTNERS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Discontinued Operations and Disposal Groups [Abstract]
Loss from foundry arrangement	$ 10,628	$ 0	$ 0
Allowance for Doubtful Accounts Receivable, Charge-offs	$ 6,495	$ 0	$ 0

Amount of direct write-downs of receivables charged against the allowance for doubtful accounts.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration