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Income Taxes - Additional Information (Details)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
Dec. 31, 2021
USD ($)
Income Tax Disclosure [Line Items]          
Deferred tax assets related to net operating loss carry forwards   ¥ 218,042 ¥ 164,559   $ 34,216
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 2016 through 2021 remain open to examination by the respective tax authorities.      
Minimum          
Income Tax Disclosure [Line Items]          
Open tax examination year   2016      
Maximum          
Income Tax Disclosure [Line Items]          
Open tax examination year   2021      
VIE | Minimum          
Income Tax Disclosure [Line Items]          
Deferred tax assets operating loss carry forwards expiration year   2022      
VIE | Maximum          
Income Tax Disclosure [Line Items]          
Deferred tax assets operating loss carry forwards expiration year   2031      
WFOE | Minimum          
Income Tax Disclosure [Line Items]          
Deferred tax assets operating loss carry forwards expiration year   2022      
WFOE | Maximum          
Income Tax Disclosure [Line Items]          
Deferred tax assets operating loss carry forwards expiration year   2031      
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% 25.00% 25.00%  
Effective preferential income tax rate 15.00% 15.00% 15.00%