Variable Interest Entities - Additional Information (Details) - Variable Interest Entity, Primary Beneficiary - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Change of nominee prior notice period	180 days
Recognized revenue	$ 3.5	$ 30.2

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details