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v3.25.2

INVESTMENT SECURITIES - Schedule of trading and available-for-sale securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total trading securities | $ 2,001,392 | $ 2,275,286
Total available-for-sale securities, at fair value | 492,138 | 473,587
Total held-to-maturity securities | 303,351 | 65,860
Total investment securities | 2,796,881 | 2,814,733
Non-U.S. sovereign debt |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total trading securities | 1,042,485 | 1,282,450
Total available-for-sale securities, at fair value | 230,572 | 208,231
Non-U.S. sovereign debt | 303,596 | 65,914
Allowance for Non-US sovereign debt | (245) | (54)
Total held-to-maturity securities | 303,351 | 65,860
Corporate debt |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total trading securities | 751,558 | 807,985
Total available-for-sale securities, at fair value | 239,720 | 243,730
Corporate equity |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total trading securities | 128,316 | 106,227
U.S. sovereign debt |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total trading securities | 74,369 | 73,787
Total available-for-sale securities, at fair value | 21,846 | 21,626
Exchange traded notes and funds |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Total trading securities | $ 4,664 | $ 4,837

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