N-2 - $ / shares |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
|
| Cover [Abstract] | ||||
| Entity Central Index Key | 0002006758 | |||
| Amendment Flag | false | |||
| Securities Act File Number | 814-01710 | |||
| Document Type | 10-Q | |||
| Entity Registrant Name | MIDCAP APOLLO INSTITUTIONAL PRIVATE LENDING | |||
| Entity Address, Address Line One | 9 West 57th Street | |||
| Entity Address, City or Town | New York | |||
| Entity Address, State or Province | NY | |||
| Entity Address, Postal Zip Code | 10019 | |||
| City Area Code | 212 | |||
| Local Phone Number | 515-3200 | |||
| Entity Emerging Growth Company | true | |||
| Entity Ex Transition Period | false | |||
| General Description of Registrant [Abstract] | ||||
| Risk Factors [Table Text Block] | Item 1A. Risk Factors In addition to the other information set forth in this report, you should carefully consider the factors discussed in “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2025 and in Part II, “Item 1A. Risk Factors” in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2026, which could materially affect our business, financial condition and/or operating results. These risks are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially and adversely affect our business, financial condition and/or operating results. |
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| NAV Per Share | $ 21.95 | $ 23.24 | $ 23.98 | $ 24.43 |
| NAV Per Share | $ 21.95 | $ 23.24 | $ 23.98 | $ 24.43 |