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Financial Instruments - Summary of Sensitivity Analysis For Other Investments (Detail) - Other Investments - Equity Securities (FVTPL) [Member] - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Disclosure Of Sensitivity Analysis For Actuarial Assumptions [Line Items]    
Net revenue multiple, increase in profit or loss $ 4 $ 4
Net revenue multiple, decrease in profit or loss $ (4) $ (4)