FINANCIAL INSTRUMENTS - Schedule of Contractual Maturities of Available-For-Sale Securities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Contractual maturities of available-for-sale securities [Abstract]
Less than one year	$ 7,083
One to two years	664
More than two years	1,619
Total available-for-sale securities	$ 9,366

Amount of debt securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Balance Type:	debit
Period Type:	instant