| Document and Entity Information | Oct. 11, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 11, 2023 |
| Amendment Flag | false |
| Entity Registrant Name | VARAGON CAPITAL CORPORATION |
| Entity Central Index Key | 0001784700 |
| Entity Incorporation, State or Country Code | MD |
| Securities Act File Number | 000-56450 |
| Entity Tax Identification Number | 30-1206578 |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Address, Address Line One | 151 West 42nd Street |
| Entity Address, Address Line Two | 53rd Floor |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10036 |
| City Area Code | (212) |
| Local Phone Number | 235-2600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
