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Reserves - Summary of Other Components of Equity (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥)
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Disclosure of other components of equity [line items] |  |  |
Other components of equity | ¥ (38,653) | $ (5,441) | ¥ (64,995)
Foreign currency translation reserve [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | (27,971) | (3,937) | (44,699)
Performance shares reserves [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | 19,758 | 2,781 | 19,758
Premium paid for acquisition of non-controlling interests [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | (7,986) | (1,124) | (9,463)
Fair value reserve of financial assets at FVOCI [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | ¥ (22,454) | $ (3,161) | ¥ (30,591)

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