FAIR VALUE MEASUREMENTS - Narrative (Details)	Sep. 30, 2026	Mar. 31, 2026
Privately held debt and equity instruments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Percent of investment assets	100.00%	100.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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