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TAXES ON INCOME (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2011
Attributable to Approved Enterprise Programs [Member]
Dec. 31, 2012
Attributable to Approved Enterprise Programs [Member]
Dec. 31, 2012
Attributable to Beneficiary Enterprise Program [Member]
Dec. 31, 2012
Israel [Member]
Minimum [Member]
Dec. 31, 2012
Australia [Member]
Minimum [Member]
Dec. 31, 2012
Canada [Member]
Minimum [Member]
Dec. 31, 2012
United States [Member]
Minimum [Member]
Dec. 31, 2012
Singapore [Member]
Minimum [Member]
TAXES ON INCOME [Abstract]                    
Liability for unrecognized tax benefits $ 1,084 $ 755                
Interest accrued 57 245                
Income Tax Contingency [Line Items]                    
Open tax year           2010 2008 2010 2009 2008
Deferred Tax Liability Not Recognized [Line Items]                    
Tax-exempt earnings       20,726 16,196          
Tax liability, if distributed       5,181 4,049          
Reduction in tax expense     $ 1,800