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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%

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