| Cover | Dec. 20, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 20, 2024 |
| Entity File Number | 814-01351 |
| Entity Registrant Name | Steele Creek Capital Corporation |
| Entity Central Index Key | 0001817825 |
| Entity Tax Identification Number | 85-1327288 |
| Entity Incorporation, State or Country Code | MD |
| Entity Address, Address Line One | 201 S. College Street |
| Entity Address, Address Line Two | Suite 1690 |
| Entity Address, City or Town | Charlotte |
| Entity Address, State or Province | NC |
| Entity Address, Postal Zip Code | 28244 |
| City Area Code | 704 |
| Local Phone Number | 343-6011 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
