NET GAIN ON TRADING SECURITIES - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
Sep. 30, 2023 |
Sep. 30, 2022 |
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| Investments, Debt and Equity Securities [Abstract] | ||||
| Net gain/(loss) on trading securities | $ 50,771 | $ 9,005 | $ 82,587 | $ 13,439 |
| Net unrealized gain recognized during the reporting period on trading securities still held at the reporting date | 9,713 | 5,507 | 30,664 | (8,232) |
| Net gain recognized during the period on trading securities sold during the period | $ 41,058 | $ 3,498 | $ 51,923 | $ (8,232) |
| 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
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| 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://www.xbrl.org/2009/role/commonPracticeRef
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| 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/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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