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Risks and Uncertainties (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2024	Mar. 31, 2024
Concentration Risk [Line Items]
Carrying Value	$ 301,058	$ 293,916
Alternative Investments | Industry Risk
Concentration Risk [Line Items]
Carrying Value	$ 301,058	$ 293,916
Percent of Total	100.00%	100.00%
Alternative Investments | Industry Risk | Food and staples retailing
Concentration Risk [Line Items]
Carrying Value	$ 66,517	$ 41,721
Percent of Total	22.10%	14.20%
Alternative Investments | Industry Risk | Software and services
Concentration Risk [Line Items]
Carrying Value	$ 45,439	$ 42,908
Percent of Total	15.10%	14.60%
Alternative Investments | Industry Risk | Diversified financials
Concentration Risk [Line Items]
Carrying Value	$ 29,098	$ 30,297
Percent of Total	9.70%	10.30%
Alternative Investments | Industry Risk | Utilities
Concentration Risk [Line Items]
Carrying Value	$ 28,536	$ 28,768
Percent of Total	9.50%	9.80%
Alternative Investments | Industry Risk | Energy
Concentration Risk [Line Items]
Carrying Value	$ 16,038	$ 19,930
Percent of Total	5.30%	6.80%
Alternative Investments | Industry Risk | Capital goods
Concentration Risk [Line Items]
Carrying Value	$ 22,498	$ 23,146
Percent of Total	7.50%	7.90%
Alternative Investments | Industry Risk | Semiconductors and Semiconductor Equipment
Concentration Risk [Line Items]
Carrying Value	$ 13,472	$ 16,144
Percent of Total	4.50%	5.50%
Alternative Investments | Industry Risk | Health care equipment and services
Concentration Risk [Line Items]
Carrying Value	$ 13,861	$ 16,520
Percent of Total	4.60%	5.60%
Alternative Investments | Industry Risk | Other
Concentration Risk [Line Items]
Carrying Value	$ 65,599	$ 74,482
Percent of Total	21.70%	25.30%
Net Assets, Geographic Area | Geographic Concentration Risk
Concentration Risk [Line Items]
Carrying Value	$ 301,058	$ 293,916
Percent of Total	100.00%	100.00%
Net Assets, Geographic Area | Geographic Concentration Risk | North America
Concentration Risk [Line Items]
Carrying Value	$ 152,274	$ 164,205
Percent of Total	50.60%	55.90%
Net Assets, Geographic Area | Geographic Concentration Risk | South America
Concentration Risk [Line Items]
Carrying Value	$ 68,103	$ 43,543
Percent of Total	22.60%	14.80%
Net Assets, Geographic Area | Geographic Concentration Risk | Asia
Concentration Risk [Line Items]
Carrying Value	$ 44,570	$ 49,385
Percent of Total	14.80%	16.80%
Net Assets, Geographic Area | Geographic Concentration Risk | Europe
Concentration Risk [Line Items]
Carrying Value	$ 35,731	$ 35,870
Percent of Total	11.90%	12.20%
Net Assets, Geographic Area | Geographic Concentration Risk | Africa
Concentration Risk [Line Items]
Carrying Value	$ 380	$ 913
Percent of Total	0.10%	0.30%

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