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GOODWILL AND ACQUIRED INTANGIBLE ASSETS, NET (Schedule of Goodwill) (Details)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
USD ($)
Dec. 31, 2012
CNY
Dec. 31, 2011
USD ($)
Dec. 31, 2011
CNY
Dec. 31, 2010
CNY
GOODWILL AND ACQUIRED INTANGIBLE ASSETS, NET [Abstract]          
Balance at beginning of year        300,163 300,163
Acquisition of Chang'an Hospital 47,011 292,885        
Less: impairment charge      (47,691) (300,163)   
Balance at end of year 47,011 292,885      300,163
Asset impairment $ 539 3,360   333,934 3,219