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Operations and Reorganization - Contractual agreements with major VIEs (Details) - VIEs - Exclusive Technology Consulting and Services Agreements - The Company or its relevant subsidiaries | 12 Months Ended
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Dec. 31, 2020 | Dec. 22, 2020
Contractual agreements with major VIEs |  |
Term of agreement | 10 years |
Termination notice before the term ends |  | 90 days

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- 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 No definition available. + Details
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- Details
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