XML 88 R71.htm IDEA: XBRL DOCUMENT v3.22.1
Segment Information - Schedule of Revenue from Major Customers (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Major Customers [Line Items]      
Revenue ¥ 295,897 ¥ 162,881 ¥ 146,054
Customer 1      
Disclosure Of Major Customers [Line Items]      
Revenue 60,226 22,146  
Customer 2      
Disclosure Of Major Customers [Line Items]      
Revenue ¥ 46,358 ¥ 18,868