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GOODWILL - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jan. 31, 2021 CNY (¥) | Jan. 31, 2021 USD ($)
GOODWILL |  |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period | ¥ 0 | $ 0 | ¥ 0 |  |  |  |  |  |  |  |
Goodwill | 572,216 |  | 575,427 | ¥ 575,427 |  |  |  | $ 78,393 | $ 78,833 | ¥ 368,221 | $ 57,782
Goodwill impairment charges | 0 | 0 | 0 | ¥ 0 |  |  |  |  |  |  |
Decrease of goodwill from disposal | 3,211 | $ 440 |  |  |  |  |  |  |  |  |
GFMH, CMCC, SJYH, BPMC |  |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  |  |  | ¥ 158,724 |  |  |  |
Goodwill | 572,216 |  | ¥ 575,427 |  |  |  |  | $ 78,393 |  |  |
Tianjin Jiatai Group |  |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  |  |  | ¥ 45,272 |  |  |  |
HealthingKon |  |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  | ¥ 368,220 |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | ¥ 368,221 |
New Spring Group |  |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  |  | ¥ 3,211 |  |  |  |  |
Decrease of goodwill from disposal | ¥ 3,211 |  |  |  |  |  |  |  |  |  |

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