N-2 |
12 Months Ended | |
|---|---|---|
|
Mar. 31, 2024
$ / shares
shares
|
Mar. 31, 2024
$ / shares
|
|
| Cover [Abstract] | ||
| Entity Central Index Key | 0001976685 | |
| Amendment Flag | false | |
| Entity Inv Company Type | N-2 | |
| Document Type | N-CSR | |
| Entity Registrant Name | Institutional Investment Strategy Fund | |
| General Description of Registrant [Abstract] | ||
| NAV Per Share | $ / shares | $ 10.21 | $ 10.21 |
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||
| Outstanding Security, Held [Shares] | shares | 305,359 |
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- Definition Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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