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GOODWILL - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jan. 31, 2021 CNY (¥) | Jan. 31, 2021 USD ($)
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill, Acquired during period | ¥ 0 | $ 0 | ¥ 368,221 | ¥ 3,213 | ¥ 45,272 | ¥ 165,171 |  |  |  |
Goodwill | 575,427 |  | 581,877 | 213,656 | ¥ 210,443 |  | $ 83,429 | $ 84,364 | ¥ 368,221 | $ 57,782
Goodwill impairment charges | 0 | 0 | 0 | ¥ 0 |  |  |  |  |  |
Decrease of goodwill from disposal | 6,450 | $ 935 |  |  |  |  |  |  |  |
GFMH, CMCC, SJYH, BPMC |  |  |  |  |  |  |  |  |  |
GOODWILL |  |  |  |  |  |  |  |  |  |
Goodwill | ¥ 575,427 |  | ¥ 581,877 |  |  |  | $ 83,429 |  |  |

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