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ACQUISITIONS AND DISPOSALS (Narrative) (Details) ¥ in Thousands, SGD in Thousands, $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 24, 2015 CNY (¥) | Jun. 30, 2015 | Apr. 06, 2015 CNY (¥) Bed | Apr. 06, 2015 SGD Bed | Dec. 18, 2014 CNY (¥) | Dec. 03, 2014 CNY (¥) | Jan. 27, 2017 | Sep. 29, 2016 CNY (¥) | Sep. 29, 2016 USD ($) | Jan. 27, 2016 CNY (¥) | Jan. 27, 2016 USD ($) | Jan. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥) | Dec. 18, 2007 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥) | Dec. 31, 2016 USD ($) | Nov. 30, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration of equity interest sold |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 80,453 | ¥ 317,470 |  |  |  |  |  |  |
Recognized a gain on the disposal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 16,381 | ¥ 38,487 |  |
Total consideration |  |  |  |  |  |  |  |  | ¥ 41,670 | $ 6,002 |  |  |  |  |  | ¥ 100,000 | 14,403 |  |  |  |
Ownership percentage | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  | 20.00% |  | 20.00% |
Other Payments to Acquire Businesses |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 29,600 |  |  |  |  |  |
Payments to Fund Operations of Acquiree |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 1,000 |  |  |
Payments to Acquire Other Productive Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 3,025 | $ 436 |  |  |  |
Deposits Assets, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 268,747 |  | 251,058 |  | $ 38,708 |
CAH and WHT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Put Option expiry date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39 months | 39 months |  |  |  |
CAH and WHT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized a gain on the disposal |  |  |  |  |  | ¥ 38,487 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
JWYK [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Date of completion of disposal |  |  | Jul. 24, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized a gain on the disposal |  | ¥ 16,381 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest transferred |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allcure Information [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CAH [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration of equity interest sold |  |  |  |  |  |  | ¥ 248,311 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Datang Healthcare Corporation Limited ("Datang") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest in equity method investment |  |  |  |  |  |  | 52.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
WHT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration of equity interest sold |  |  |  |  |  |  | ¥ 149,612 |  |  |  |  |  |  |  |  |  |  |  |  |  |
CHS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voting interest acquired |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Number of bed patient capacity | Bed |  |  |  | 31 | 31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration |  |  |  | ¥ 253,499 | SGD 55,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on a bargain purchase recognized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,830 |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Beijing Century Friendship [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description Of Acquisition Agreement |  |  |  |  |  |  |  | Moreover, pursuant to the Acquisition Agreement, as a necessary prerequisite to the aforementioned transactions, Beijing Century Friendship must complete the acquisition of 55% equity interest in Beijing Proton Medical Center from Chang'an Information Industry (Group) Co., Ltd. ("Chang'an Information") without any other considerations. |  |  |  |  |  |  |  |  |  |  |  |  |
Beijing Proton Medical Center [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voting interest acquired |  |  |  |  |  |  |  |  |  |  | 55.00% | 55.00% |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  | 55.00% | 55.00% |  |  |  |  |  |  |  |  |
Payments to Acquire Other Productive Assets |  |  |  |  |  |  |  |  |  |  | ¥ 99,851 | $ 14,382 |  |  |  |  |  |  |  |  |
Deposits Assets, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 70,000 |  |  |
[1] | 20% equity interest of Allcure Information with a carrying amount of RMB22,160 was obtained through the disposal of JWYK in 2015 (note 4). There was no impairment indicator for the cost method investment as of December 31, 2016.

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