Taxation - Schedule of Reconciliation of Income Tax Expense Benefit (Parenthetical) (Detail) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] | ||
| Applicable tax rate | 26.50% | 26.50% |