Other Investments - Schedule of Investment (Detail) - USD ($) $ in Thousands |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|
| Disclosure Of Financial Assets [Line Items] | ||
| Total other investments | $ 972 | $ 1,361 |
| Financial assets measured at FVOCI [Member] | ||
| Disclosure Of Financial Assets [Line Items] | ||
| Equity securities (unlisted) | 452 | |
| Financial assets measured at FVTPL [Member] | ||
| Disclosure Of Financial Assets [Line Items] | ||
| Equity securities (unlisted) | 591 | 591 |
| Other securities | 305 | 242 |
| Financial Assets Measured at Amortised Cost [Member] | ||
| Disclosure Of Financial Assets [Line Items] | ||
| Other securities | $ 76 | $ 76 |