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Related Party Disclosures - Compensation of Key Management Personnel (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Disclosure of transactions between related parties [abstract]        
Short-term employee benefits ¥ 43,178 $ 6,672 ¥ 41,606 ¥ 39,703
Contribution to defined contribution plans 292 45 362 335
Total ¥ 43,470 $ 6,717 ¥ 41,968 ¥ 40,038