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Risks and Uncertainties (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Sep. 30, 2025	Mar. 31, 2025
Concentration Risk [Line Items]
Carrying Value	$ 211,324	$ 259,113
Alternative Investments | Industry Risk
Concentration Risk [Line Items]
Carrying Value	$ 211,324	$ 259,113
Percent of Total	100.00%	100.00%
Alternative Investments | Industry Risk | Food and staples retailing
Concentration Risk [Line Items]
Carrying Value	$ 63,998	$ 63,846
Percent of Total	30.30%	24.60%
Alternative Investments | Industry Risk | Software and services
Concentration Risk [Line Items]
Carrying Value	$ 23,365	$ 41,460
Percent of Total	11.10%	16.00%
Alternative Investments | Industry Risk | Diversified financials
Concentration Risk [Line Items]
Carrying Value	$ 20,900	$ 22,273
Percent of Total	9.90%	8.60%
Alternative Investments | Industry Risk | Utilities
Concentration Risk [Line Items]
Carrying Value	$ 19,648	$ 15,432
Percent of Total	9.30%	6.00%
Alternative Investments | Industry Risk | Semiconductors and semiconductor equipment
Concentration Risk [Line Items]
Carrying Value	$ 17,490	$ 15,426
Percent of Total	8.30%	6.00%
Alternative Investments | Industry Risk | Health care equipment and services
Concentration Risk [Line Items]
Carrying Value	$ 10,660	$ 13,464
Percent of Total	5.00%	5.20%
Alternative Investments | Industry Risk | Capital goods
Concentration Risk [Line Items]
Carrying Value	$ 5,100	$ 20,532
Percent of Total	2.40%	7.90%
Alternative Investments | Industry Risk | Other
Concentration Risk [Line Items]
Carrying Value	$ 50,163	$ 66,680
Percent of Total	23.70%	25.70%
Net Assets, Geographic Area | Geographic Concentration Risk
Concentration Risk [Line Items]
Carrying Value	$ 211,324	$ 259,113
Percent of Total	100.00%	100.00%
Net Assets, Geographic Area | Geographic Concentration Risk | North America
Concentration Risk [Line Items]
Carrying Value	$ 91,089	$ 135,066
Percent of Total	43.10%	52.10%
Net Assets, Geographic Area | Geographic Concentration Risk | South America
Concentration Risk [Line Items]
Carrying Value	$ 64,720	$ 64,969
Percent of Total	30.60%	25.10%
Net Assets, Geographic Area | Geographic Concentration Risk | Asia
Concentration Risk [Line Items]
Carrying Value	$ 40,190	$ 41,948
Percent of Total	19.00%	16.20%
Net Assets, Geographic Area | Geographic Concentration Risk | Europe
Concentration Risk [Line Items]
Carrying Value	$ 15,212	$ 17,018
Percent of Total	7.20%	6.60%
Net Assets, Geographic Area | Geographic Concentration Risk | Africa
Concentration Risk [Line Items]
Carrying Value	$ 113	$ 112
Percent of Total	0.10%	0.00%

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