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GOODWILL - Carrying amount (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 (¥)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	¥ 581,877	$ 84,364	¥ 213,656	¥ 210,443
Addition	0	0	368,221	3,213	¥ 45,272	¥ 165,171
Disposal	(6,450)	(935)
Impairment	0	0	0	0
Goodwill, Ending Balance	¥ 575,427	$ 83,429	¥ 581,877	¥ 213,656	¥ 210,443

X

- Definition

Amount of disposal of goodwill during period.

+ References

No definition available.

+ Details

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X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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