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Income Taxes - Additional Information (Details)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
Dec. 31, 2022
USD ($)
Income Tax Disclosure [Line Items]        
Deferred tax assets related to net operating loss carry forwards ¥ 282,098 ¥ 218,042   $ 40,900
Interest and penalties related to an uncertain tax position ¥ 0 ¥ 0    
Income tax examination, description In accordance with relevant PRC tax administration laws, the tax year from 2017 through 2022 remain open to examination by the respective tax authorities.      
Minimum        
Income Tax Disclosure [Line Items]        
Open tax examination year 2017      
Maximum        
Income Tax Disclosure [Line Items]        
Open tax examination year 2022      
VIE | Minimum        
Income Tax Disclosure [Line Items]        
Deferred tax assets operating loss carry forwards expiration year   2023    
VIE | Maximum        
Income Tax Disclosure [Line Items]        
Deferred tax assets operating loss carry forwards expiration year   2032    
WFOE | Minimum        
Income Tax Disclosure [Line Items]        
Deferred tax assets operating loss carry forwards expiration year 2023      
WFOE | Maximum        
Income Tax Disclosure [Line Items]        
Deferred tax assets operating loss carry forwards expiration year 2032      
Hong Kong        
Income Tax Disclosure [Line Items]        
Effective profits tax rate 16.50%      
PRC        
Income Tax Disclosure [Line Items]        
Effective statutory enterprise income tax rate     25.00%  
Effective preferential income tax rate 15.00% 15.00%    
Preferential tax rate gross 20.00%      
Inland Revenue, Singapore (IRAS) [Member]        
Income Tax Disclosure [Line Items]        
Effective profits tax rate 17.00%