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% |