Employee Benefit Plans - Summary of Life Expectation in Years of an Average Plan Participant (Detail) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of sensitivity analysis for actuarial assumptions [abstract] | ||
| Male employee retiring at age 65 | 21 years | 22 years |
| Male employee age 40 retiring at age 65 | 23 years | 24 years |
| Female employee retiring at age 65 | 23 years | 23 years |
| Female employee age 40 retiring at age 65 | 24 years | 25 years |