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Leases - Summary of Detailed Information About Future Minimum Rental Receivables Under Non-Cancellable Operating Leases (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥)
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Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | ¥ 97,186 | $ 13,682 | ¥ 71,669
Within 1 Year [member] | Related parties [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 2,012 | 283 | 17
Within 1 Year [member] | Joint ventures [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 3,329 | 469 | 1,587
Within 1 Year [member] | Third parties [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 7,898 | 1,112 | 8,136
After 1 Year but within 5 years [member] | Related parties [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 7,988 | 1,125 | 17
After 1 Year but within 5 years [member] | Joint ventures [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 11,697 | 1,647 | 6,292
After 1 Year but within 5 years [member] | Third parties [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 22,235 | 3,130 | 19,364
More than 5 years [member] | Joint ventures [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | 7,504 | 1,056 | 9,690
More than 5 years [member] | Third parties [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future minimum operating leases | ¥ 34,523 | $ 4,860 | ¥ 26,566

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