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Reserves - Summary of Other Components of Equity (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
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Disclosure of other components of equity [line items] |  |  |
Other components of equity | ¥ (36,403) | $ (5,075) | ¥ (38,653)
Foreign currency translation reserve [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | (15,056) | (2,099) | (27,971)
Performance shares reserves [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | 25,461 | 3,549 | 19,758
Premium paid for acquisition of non-controlling interests [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | (26,466) | (3,689) | (7,986)
Fair value reserve of financial assets at FVOCI [member] |  |  |
Disclosure of other components of equity [line items] |  |  |
Other components of equity | ¥ (20,342) | $ (2,836) | ¥ (22,454)

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