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Operations - Contractual agreements with major VIEs (Details) - VIEs [Member] - Exclusive Technology Consulting and Services Agreements [Member] - The Company or its relevant subsidiaries [Member]	Dec. 23, 2020	Dec. 22, 2020
Contractual agreements with major VIEs
Term of agreement		10 years
Termination notice before the term ends	30 days	90 days

X

- Definition

Period of agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Period of termination notice before the term ends, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

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