Short-term investments - Summary of Short-term investments classification (Details) ¥ in Thousands, $ in Thousands |
Jun. 30, 2022
CNY (¥)
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Jun. 30, 2022
USD ($)
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Dec. 31, 2021
CNY (¥)
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|---|---|---|---|
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Cost or Amortized cost | ¥ 20,000 | $ 2,986 | ¥ 30,000 |
| Fair value | ¥ 20,000 | $ 2,986 | ¥ 30,000 |
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- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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