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Income Tax Expense - Summary of Income Tax Expense (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Current income tax |  |  |  |
Current year | ¥ 48,856 | $ 7,727 | ¥ 180,254 | ¥ 193,878
Over provision in respect of prior years | (21,523) | (3,404) | (124) | (6,985)
Deferred tax |  |  |  |
Movement in temporary differences | 16,483 | 2,607 | 12,543 | (14,274)
Over provision in respect of prior years | 0 | 0 | (135) |
Consolidated income tax expense reported in the statement of profit or loss | ¥ 43,816 | $ 6,930 | ¥ 192,538 | ¥ 172,619

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