Employee Benefits - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Disclosure Of Defined Benefit Plans [Line Items] | ||
| Estimate of contributions expected to be paid to plan for next annual reporting period | $ 39 | |
| Bottom of Range [Member] | ||
| Disclosure Of Defined Benefit Plans [Line Items] | ||
| Weighted average duration of defined benefit obligation | 3 years | 3 years |
| Top of Range [Member] | ||
| Disclosure Of Defined Benefit Plans [Line Items] | ||
| Weighted average duration of defined benefit obligation | 8 years | 8 years |