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Cash and Cash Equivalents - Additional Information (Detail)
¥ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2022
USD ($)
Disclosure of detailed cash and cash equivalents short term bank deposits current restricted cash and long term bank deposits [line items]        
Restricted cash used as collateral by the banks for the issuance of bills to suppliers ¥ 27.7 ¥ 76.0   $ 4.0
Undrawn borrowing facilities 518.0 474.2   74.5
Loan commitment fee incurred 0.0 0.0 ¥ 0.1  
Fixed deposits held with related party ¥ 36.6 ¥ 140.3   $ 5.3
Bottom of range [member]        
Disclosure of detailed cash and cash equivalents short term bank deposits current restricted cash and long term bank deposits [line items]        
Interest rate on bank deposits 1.25% 0.13%   1.25%
Top of range [member]        
Disclosure of detailed cash and cash equivalents short term bank deposits current restricted cash and long term bank deposits [line items]        
Interest rate on bank deposits 5.15% 1.55%   5.15%