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TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of maturity of trading and available-for-sale securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Up to 1 year | $ 87,417 | $ 78,953
1-5 years | 55,952 | 118,527
5-10 years | 51,221 | 34,031
More than 10 years | 7,907 | 7,542
Assets measured at fair value | 202,497 | 239,053
Corporate debt |  |
Debt Securities, Available-for-sale [Line Items] |  |
Up to 1 year | 34,691 | 77,006
1-5 years | 48,898 | 82,579
5-10 years | 43,803 | 31,486
More than 10 years | 10 | 11
Assets measured at fair value | 127,402 | 191,082
Non-US sovereign debt |  |
Debt Securities, Available-for-sale [Line Items] |  |
Up to 1 year | 43,581 | 0
1-5 years | 7,054 | 33,143
5-10 years | 5,718 | 820
More than 10 years | 6,634 | 6,199
Assets measured at fair value | 62,987 | 40,162
US sovereign debt |  |
Debt Securities, Available-for-sale [Line Items] |  |
Up to 1 year | 9,145 | 1,947
1-5 years | 0 | 2,805
5-10 years | 1,700 | 1,725
More than 10 years | 1,263 | 1,332
Assets measured at fair value | $ 12,108 | $ 7,809

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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 320 -Name Accounting Standards Codification -Section 50 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480832/942-320-50-3A + Details
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