v3.22.2.2
Intangible assets, net (Details)
¥ in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
CNY (¥)
Dec. 31, 2021
CNY (¥)
Finite-Lived Intangible Assets [Line Items]        
Total Intangible assets ¥ 25,955     ¥ 25,955
Less: accumulated amortization (10,341)     (8,244)
Impairment (15,614) $ (2,331) ¥ 0  
Intangible assets, net       17,711
Customer relationships        
Finite-Lived Intangible Assets [Line Items]        
Total Intangible assets 3,300     3,300
Trade names        
Finite-Lived Intangible Assets [Line Items]        
Total Intangible assets 4,822     4,822
Developed technology        
Finite-Lived Intangible Assets [Line Items]        
Total Intangible assets ¥ 17,833     ¥ 17,833
Minimum | Longye        
Finite-Lived Intangible Assets [Line Items]        
Useful life of intangible assets 3 years 3 years    
Maximum | Longye        
Finite-Lived Intangible Assets [Line Items]        
Useful life of intangible assets 10 years 10 years