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Lease Liabilities - Summary of Detailed Information About In Lease Liabilities (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Current ¥ 31,433 $ 4,521 ¥ 27,125
Non- current ¥ 28,208 4,058 13,406
Lease Liabilities Current [Member]      
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Maturity 2023    
Current ¥ 31,433 $ 4,521 27,125
Lease Liabilities Current [Member] | Bottom of range [member]      
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Effective interest rate 1.25% 1.25%  
Lease Liabilities Current [Member] | Top of range [member]      
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Effective interest rate 6.40% 6.40%  
Lease Liabilities Noncurrent [Member]      
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Non- current ¥ 28,208 $ 4,058 ¥ 13,406
Lease Liabilities Noncurrent [Member] | Bottom of range [member]      
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Effective interest rate 1.25% 1.25%  
Maturity 2024    
Lease Liabilities Noncurrent [Member] | Top of range [member]      
Disclosure Of Detailed Information About Lease Liabilities [Line Items]      
Effective interest rate 6.40% 6.40%  
Maturity 2026