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Short-term Investments (Tables)
12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Summary of Short Term Investments
Short-term investments as of December 31, 2021 consisted of the following:
 
    
As of December 31, 2021
 
    
Cost or

Amortized

cost
    
Gross

unrecognized

holding gains
    
Gross

unrecognized

holding

losses
    
Gross

unrealized

gains
    
Gross

unrealized
losses
    
Fair value carrying

amount
 
    
RMB
    
RMB
    
RMB
    
RMB
    
RMB
    
RMB
 
Trading debt investments
     63,741        1,367        —                 —       
 
65,108
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
    
 
63,741
 
  
 
1,367
 
  
 
—  
 
  
 
 
  
 
—  
 
  
 
65,108