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Goodwill (Details) - 12 months ended Dec. 31, 2020 ¥ in Thousands, $ in Thousands	CNY (¥)	USD ($)
Disclosure Text Block Supplement [Abstract]
Impairment loss on goodwill	¥ 27,591	$ 4,229

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- References

No definition available.

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- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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