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Other non-current Assets - Schedule of Other Non-current Assets (Details)
¥ in Thousands, $ in Thousands
Jun. 30, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Miscellaneous Noncurrent Assets [Abstract]      
Deductible value-added tax ¥ 3,323   ¥ 18,045
Prepayments for purchase of non-current assets 1,798   341
Others 485   420
Other non-current assets ¥ 5,606 $ 835 ¥ 18,806