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Financial Risk Management Objectives and Policies - Foreign Currency Exchange Rate Risk Sensitivity Analysis Assuming 10% Strengthening of Major Currencies against Functional Currency (Detail) - Foreign currency risk [Member] ¥ in Thousands, $ in Thousands | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥)
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Singapore dollar [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | ¥ 14,964 | $ 2,107 | ¥ 16,276
Euro [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | 533 | 75 | (298)
USD [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | ¥ 493 | $ 69 | ¥ 2,375

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