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Financial Risk Management Objectives and Policies - Foreign Currency Risk Sensitivity Analysis Assuming 10% Strengthening of Major Currencies against Functional Currency (Detail) - Foreign currency risk [Member] ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Singapore dollar [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | ¥ 15,985 | $ 2,528 | ¥ 18,081
Euro [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | 234 | 37 | 310
USD [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | ¥ 99 | $ 16 | 3,526
Renminbi [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax |  |  | ¥ (216)

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- Definition Increase (decrease) in risk exposure associated with instruments sharing characteristic. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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