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Taxation - Operating losses carry forwards (Details) ¥ in Thousands	Dec. 31, 2022 CNY (¥)
Taxation
Net operating losses carry forwards	¥ 404,690
Net operating losses carry forwards, expire in December 31, 2023, if unused	35,334
Net operating losses carry forwards, expire in December 31, 2024, if unused	22,543
Net operating losses carry forwards, expire in December 31, 2025, if unused	47,635
Net operating losses carry forwards, expire in December 31, 2026, if unused	133,994
Net operating losses carry forwards, expire in December 31, 2027, if unused	85,239
Net operating losses carry forwards, expire in December 31, 2031, if unused	¥ 79,945

X

- Definition

Amount of operating loss carryforwards, that will expire in year two if unused.

+ References

No definition available.

+ Details

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X

- Definition

Amount of operating loss carryforwards, that will expire in next twelve months if unused.

+ References

No definition available.

+ Details

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X

- Definition

Amount of operating loss carryforwards, that will expire in year five, if unused.

+ References

No definition available.

+ Details

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- Definition

Amount of operating loss carryforwards, that will expire in year four, if unused.

+ References

No definition available.

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- Definition

Amount of operating loss carryforwards, that will expire in year ten, if unused.

+ References

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- Definition

Amount of operating loss carryforwards, that will expire in year three if unused.

+ References

No definition available.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

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