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Other Long-term Assets - Goodwill (Details) - CNY (¥)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill
Beginning balance	¥ 318,943,000
Additions	276,337,000	¥ 318,943,000
Ending balance	595,280,000	318,943,000
Impairment charges	¥ 0	¥ 0

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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-Publisher FASB
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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.

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