XML 121 R107.htm IDEA: XBRL DOCUMENT v3.23.1
Income Tax Expense - Additional Information (Detail)
¥ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
Dec. 31, 2022
USD ($)
Statement [Line Items]        
Applicable income tax rate 15.00% 15.00% 15.00%  
Percentage of withholding tax 10.00%      
Deferred tax liability for withholding tax payable ¥ 61.8 ¥ 65.5   $ 8.9
Unrecognized deferred tax liability relating to undistributed earnings ¥ 190.7 ¥ 195.5   $ 27.4
PRC [member] | Bottom of range [member]        
Statement [Line Items]        
Unrecognized tax losses expiration period for subsidiaries that have a history of losses 5 years      
PRC [member] | Top of range [member]        
Statement [Line Items]        
Unrecognized tax losses expiration period for subsidiaries that have a history of losses 10 years      
Malaysia [member]        
Statement [Line Items]        
Unrecognized tax losses expiration period for subsidiaries that have a history of losses 10 years