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Organization and Principal Activities - Additional Information (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Variable Interest Entity [Line Items]      
Cash Collateral ¥ 157,900 $ 24,778  
VIE      
Variable Interest Entity [Line Items]      
Net liabilities ¥ 326,180 $ 51,184 ¥ 239,583