XML 60 R40.htm IDEA: XBRL DOCUMENT v3.19.1
Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2018
Defined Benefit Plan [Abstract]  
Schedule of employee welfare benefits expenses
  For the year ended
December 31,
 
  2016  2017  2018 
  RMB  RMB  RMB 
Medical and welfare defined contribution plan  6,581   8,504   21,869 
Other employee benefits  1,571   2,340   2,741 
Total  8,152   10,844   24,610