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EQUITY METHOD INVESTMENTS (Schedule of Equity Method Investments) (Parenthetical) (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2015
Jul. 31, 2015
USD ($)
Jul. 31, 2015
CNY (¥)
Dec. 31, 2014
Dec. 28, 2012
USD ($)
Dec. 28, 2012
CNY (¥)
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment 100.00%          
Suzhou Chorus Medical Technologies Co., Ltd [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment 36.00%     36.00%    
JYADK [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment 33.00%     33.00%    
BPMC [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment 25.00%     25.00%    
MD Anderson Cancer Center Proton Therapy Center [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment         45.41% 45.41%
Global Oncology [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment 46.90%     46.90%    
PTC [Member]            
Schedule of Equity Method Investments [Line Items]            
Voting interest acquired   14.34% 14.34%      
Equity interest in equity method investment         44.55% 44.55%
Purchase price of entity   $ 4,641 ¥ 30,063   $ 32,291 ¥ 201,176
PTC GP Management LLC [Member]            
Schedule of Equity Method Investments [Line Items]            
Voting interest acquired   17.07% 17.07%      
Equity interest in equity method investment         45.00% 45.00%
Maximum voting percentage required to pass resolution 50.00%          
Maximum member interest required for amendment of regulation 67.00%          
General Partner [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment         1.00% 1.00%