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Long-Term Investments - Additional Information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2017
CNY (¥)
Schedule Of Investments [Line Items]              
Percentage of share acquired       5.93%      
Cost Method Investments, Fair Value Disclosure       ¥ 3,043      
Equity Securities without Readily Determinable Fair Value, Amount ¥ 141,926   ¥ 168,526   $ 22,271    
Cost-method Investments, Other than Temporary Impairment 25,370 $ 3,981 38,739 ¥ 0      
Accumulated imapirment of equity investments ¥ 63,902   ¥ 38,739   $ 10,028    
Zhuoxuan              
Schedule Of Investments [Line Items]              
Percentage of share acquired       5.93%      
Cost method investments       ¥ 7,265   ¥ 7,265  
Shuwei              
Schedule Of Investments [Line Items]              
Percentage of share acquired       2.89%   4.27% 6.25%
Proceeds from sale of an equity investment sold       ¥ 10,000      
Realized gain (loss) on disposal of equity investment securities with out readily determinable fair value       6,778      
Unrealized gain (loss) on disposal of equity investment securities with out readily determinable fair value       ¥ 14,255      
Cost method investments             ¥ 10,000