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Restricted Net Assets - Additional Information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Dividends Payable [Line Items]      
Threshold limit percentage of registered capital 50.00%    
PRC | VIE      
Dividends Payable [Line Items]      
Restricted net asset, using statutory accounting principles ¥ 529,963 $ 83,163 ¥ 616,559
Minimum      
Dividends Payable [Line Items]      
Minimum percentage of net profit to be allocated to statutory reserve fund 10.00%