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GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Minimum [Member]
Mar. 31, 2013
Maximum [Member]
Mar. 31, 2013
Domain Names [Member]
Mar. 31, 2013
Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]            
Patent and trademark fees $ 1,000 $ 900        
Other intangible assets, net 5,700          
Other intangible assets useful life     1 year 20 years    
Other intangible assets         $ 400 $ 900