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Income Taxes - Summary of Loss Before Income Taxes (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Income Tax Disclosure [Abstract]        
PRC ¥ (192,495) $ (27,909) ¥ (185,000) ¥ (30,412)
Non-PRC (136,757) (19,828) (128,762) (61,423)
Loss before income taxes ¥ (329,252) $ (47,737) ¥ (313,762) ¥ (91,835)