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Restricted Net Assets - Additional Information (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Restricted Net Assets
Profit after taxation transferred to general reserve fund	10.00%
Maximum profit after taxation transferred to general reserve fund	50.00%
General reserve fund of PRC subsidiaries	¥ 407,500	¥ 371,438
Restricted share capital of PRC subsidiaries	2,534,945	¥ 1,669,017
Restricted net assets	¥ 2,950,455

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- Definition

Legal Reserves

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- Definition

Maximum Requirement Of Each Of Entitys Subsidiaries After Tax Profits To Be Allocated To General Reserve Fund As Percentage Of Each Subsidiaries Registered Capital

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- Definition

Required Percentage of Entitys After Tax Profits to Allocate to Statutory Common Reserve

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- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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- Definition

Disclosure of the amount of equity that is restricted to use by regulation or agreement.

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