| Document and Entity Information | Jan. 03, 2025 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0002027537 |
| Document Type | 8-K |
| Document Period End Date | Jan. 03, 2025 |
| Entity Registrant Name | Goldman Sachs Real Estate Finance Trust Inc |
| Entity Incorporation State Country Code | MD |
| Entity File Number | 000-56667 |
| Entity Tax Identification Number | 99-2025085 |
| Entity Address, Address Line One | 200 West Street |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10282 |
| City Area Code | (212) |
| Local Phone Number | 902-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
