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Fair Value Measurements - Summary of Assets Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - Short-term Investment - CNY (¥) ¥ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets measured at fair value	[1]	¥ 828,867	¥ 696,051
Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets measured at fair value	[1]	¥ 828,867	¥ 696,051
[1] Short-term investments represent structured deposits, and the Company values these short-term investments based on quoted prices of similar products provided by banks at the end of each period, and accordingly, the Company classifies the valuation techniques that use these inputs as Level 2.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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