Investment in Equity-Accounted Investees - Summary of Financial Information for Individually Immaterial Associates (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Disclosure of associates [abstract] | |||
| Carrying amount of interests in associates | $ 1,586 | $ 1,914 | |
| Company's share of loss in associates | (2) | (64) | $ (23) |
| Company's share of profit in joint venture | 0 | 0 | 75 |
| Company's share of other comprehensive income in associates | 0 | 0 | 0 |
| Company's share of other comprehensive income in joint venture | 0 | 0 | 0 |
| Company's share of total comprehensive income (loss) | $ (2) | $ (64) | $ 52 |