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GOODWILL - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill | ¥ 572,216 |  | ¥ 572,216 |  | ¥ 575,427 |  |  |  | $ 81,826 | $ 81,826
Goodwill, Acquired during period | 0 | $ 0 | 0 |  |  |  |  |  |  |
Decrease of goodwill from disposal | 0 | 0 | 3,211 |  |  |  |  |  |  |
Goodwill impairment charges | 0 | $ 0 | 0 | $ 0 | ¥ 0 |  |  |  |  |
New Spring Group | Not Discontinued Operations |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |
Decrease of goodwill from disposal |  |  | 3,211 |  |  |  |  |  |  |
GFMH, CMCC, SJYH, BPMC |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill | ¥ 572,216 |  | ¥ 572,216 |  |  |  |  |  | $ 78,393 |
Goodwill, Acquired during period |  |  |  |  |  |  |  | ¥ 158,724 |  |
Tianjin Jiatai Group |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  |  |  |  | ¥ 45,272 |  |
HealthingKon |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  |  | ¥ 368,220 |  |  |  |
New Spring Group |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period |  |  |  |  |  |  | ¥ 3,211 |  |  |

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