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v3.21.1

Restricted Net Assets (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Restricted Net Assets (Details) [Line Items] |  |
Registered capital, percentage | 50.00% |
Statutory common reserve, percentage | 10.00% |
Amount of net assets (in Yuan Renminbi) | ¥ 4,211,944 | ¥ 4,251,792
PRC [Member] |  |
Restricted Net Assets (Details) [Line Items] |  |
General reserve, percentage | 10.00% |
Registered capital, percentage | 50.00% |

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