| Cover page Cover page | Jun. 30, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 30, 2021 |
| Entity Registrant Name | Strategic Realty Trust, Inc. |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 000-54376 |
| Entity Tax Identification Number | 90-0413866 |
| Entity Address, Address Line One | 550 W Adams St, Suite 200 |
| Entity Address, City or Town | Chicago |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60661 |
| City Area Code | 312 |
| Local Phone Number | 878-4860 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001446371 |
| Amendment Flag | false |
