ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)
12 Months Ended
Dec. 31, 2014
ACCUMULATED OTHER COMPREHENSIVE INCOME [Abstract]  
Movement of accumulated other comprehensive income
As of December 31  
2012     2013     2014  
Beginning balance 12,850       11,394       11,387  
Foreign currency translation adjustment 12       (7 )     69  
Reclassification of unrealized gain on marketable equity securities into earnings     (1,468 )     -       -  
Deferred income received from disposal of a subsidiary     -       -       (1,267 )
Ending balance     11,394       11,387       10,189