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Prepayments and Other Current Assets - Summary of Other Current Assets (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |
Deductible VAT | ¥ 359,915 | $ 56,478 | ¥ 45,285
Others | 101,928 | 15,994 | 52,593
Total | ¥ 461,843 | $ 72,472 | ¥ 97,878

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