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LONG-TERM INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2014
LONG-TERM INVESTMENTS [Abstract]  
Schedule of Long-Term Investments
   
As of December 31,
 

 
  2014     2013  
Severance pay funds (see Note 15)   $ 10,214     $ 12,522  

Others
    1,682       1,972  
    $ 11,896     $ 14,494