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ACQUISITIONS AND DISPOSALS (Acquisition of New Spring Group) (Details) ¥ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2020 CNY (¥) | Dec. 31, 2018 CNY (¥)
Business Acquisition [Line Items] |  |  |
Non-controlling interest |  |  | ¥ 99,480
New Spring Group | Beijing MeizhongJiahe Hospital Management Co., Ltd. ("MHM") [Member] | Guangzhou New Spring Hospital Management Co., Ltd. |  |  |
Business Acquisition [Line Items] |  |  |
Cash consideration in agreement | $ 7,560 | ¥ 8,400 |
Non-controlling interest |  | 3,078 |
Total | $ 8,400 | ¥ 11,478 |

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