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Share-based Compensation - Summary of Assumptions Used to Determine Fair Value of Share Options Granted (Detail) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Exercise price (US$) $ 0.1616 $ 0.1608
Expected forfeiture rate (post-vesting) 5.86% 10.85%
Expected volatility 51.70% 40.57%
Excepted term (in years) 7 years 8 months 1 day 8 years 8 months 15 days
Expected dividend yield 0.00% 0.00%
Risk-free interest rate 3.9302% 1.4658%