The Cushing MLP & Infrastructure Total Return Fund (SRV)
Company Profile
| N-2 | Oct. 15, 2024 |
| Cover [Abstract] | |
| Entity Central Index Key | 0001400897 |
| Amendment Flag | false |
| Document Type | POS EX |
| Entity Registrant Name | NXG CUSHING MIDSTREAM ENERGY FUND |
| Entity Address, Address Line One | 600 N. Pearl St. |
| Entity Address, Address Line Two | Suite 1205 |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75201 |
| City Area Code | (214) |
| Local Phone Number | 692-6334 |
| No Substantive Changes, 462(c) | false |
| Exhibits Only, 462(d) | true |
| Entity Well-known Seasoned Issuer | No |
| Entity Emerging Growth Company | false |
| Business Contact [Member] | |
| Cover [Abstract] | |
| Entity Address, Address Line One | 600 N. Pearl St. |
| Entity Address, Address Line Two | Suite 1205 |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75201 |
| Contact Personnel Name | John Musgrave |