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Earnings Per Share - Summary of Earnings Per Share (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2023
CNY (¥)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
CNY (¥)
shares
Dec. 31, 2021
CNY (¥)
shares
Earnings per share [abstract]        
Profit attributable to equity holders of the Company ¥ 285,518 $ 40,193 ¥ 218,581 ¥ 272,673
Weighted average number of ordinary shares 40,858,290 40,858,290 40,858,290 40,858,290
Diluted effect of share options 0 0    
Weighted average number of ordinary shares adjusted for effect of dilution 40,858,290 40,858,290 40,858,290 40,858,290