NET GAIN/(LOSS) ON TRADING SECURITIES - Schedule of net (loss)/gain on trading securities (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Investments, Debt and Equity Securities [Abstract] | |||
| Net gain recognized during the period on trading securities sold during the period | $ 163,963 | $ 65,855 | $ 38,125 |
| Net unrealized (loss)/gain recognized during the reporting period on trading securities still held at the reporting date | (5,139) | (123,665) | 95,729 |
| Net gain/(loss) recognized during the period on trading securities | $ 158,824 | $ (57,810) | $ 133,854 |
| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|