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Organization and Principal Activities - Others (Details) ¥ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2017 CNY (¥)
Variable Interest Entity [Line Items] |  |  |  |
Minimum period to maintain structure and corporate governance | 5 years | 5 years |  |
Consolidated VIEs |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Net fee paid or payable to other subsidiaries of the Group by the consolidated VIEs after netting off inter-company transactions | ¥ 3.8 | $ 0.6 | ¥ 31.7 | ¥ 13.7

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- Definition Minimum period for foreign invested enterprises established according to the existing laws regulating foreign investment may maintain their structure and corporate governance after the implementing of the FIL. + References No definition available. + Details
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- Definition Net fee paid or payable to other subsidiaries. + 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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