Consolidated Statements of Changes in Shareholders' (Deficit) Equity (Parenthetical) ¥ in Thousands	12 Months Ended
Dec. 31, 2021 CNY (¥)
Statement of Stockholders' Equity [Abstract]
Issuance of ordinary shares for initial public offering ("USIPO"), net of issuance cost	¥ 31,785

The cash outflow for cost incurred directly with the issuance of an equity security.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration