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Related Party Disclosures - Compensation of Key Management Personnel (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Disclosure of transactions between related parties [abstract]        
Short-term employee benefits ¥ 25,011 $ 3,598 ¥ 25,289 ¥ 43,178
Contribution to defined contribution plans 208 30 273 292
Total ¥ 25,219 $ 3,628 ¥ 25,562 ¥ 43,470