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Fair Value Measurement - Summary of fair value, assets and liabilities measured on recurring basis (Details) - Dec. 31, 2022 - Recurring ¥ in Thousands, $ in Thousands | CNY (¥) | USD ($)
--- | --- | ---
Fair value of net assets |  |
Short-term investments | ¥ 111,353 | $ 16,145
Total | 111,353 | $ 16,145
Significant Other Observable Inputs (Level 2) |  |
Fair value of net assets |  |
Short-term investments | 111,353 |
Total | ¥ 111,353 |

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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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