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Convertible Promissory Note Payable - Additional Information (Detail)
$ / shares in Units, ¥ in Thousands, $ in Millions
Dec. 06, 2022
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Oct. 31, 2015
USD ($)
$ / shares
Oct. 08, 2015
$ / shares
Oct. 01, 2015
Convertible Promissory Note Payable [Line Items]            
Notes issued | ¥   ¥ 5,164,139 ¥ 10,669,498      
Loan interest rate   125.00%        
Maturity Date Oct. 08, 2026          
Sale of Stock Price Per Share | $ / shares         $ 14.8869  
Ping an group [Member]            
Convertible Promissory Note Payable [Line Items]            
Notes issued | $       $ 1,953.8    
Loans received | $       $ 937.8    
Loan interest rate           0.7375%
Conversion Of Debt To Equity conversion price | $ / shares       $ 14.8869    
Ping An Group And An key Technology [Member]            
Convertible Promissory Note Payable [Line Items]            
Loan interest rate 0.7375%          
Percentage of Conversion of Debt to Equity 50.00%          
Percentage To Redeem Outstanding Principal Amount 50.00%          
Percentage Of Additional Outstanding Principal Amount 50.00%