| Cover | Mar. 22, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Mar. 22, 2023 |
| Entity Registrant Name | CIM Real Estate Finance Trust, Inc. |
| Entity File Number | 000-54939 |
| Entity Incorporation, State or Country Code | MD |
| Entity Tax Identification Number | 27-3148022 |
| Entity Address, Address Line One | 2398 East Camelback Road, 4th Floor |
| Entity Address, Postal Zip Code | 85016 |
| Entity Address, State or Province | AZ |
| Entity Address, City or Town | Phoenix, |
| City Area Code | (602) |
| Local Phone Number | 778-8700 |
| 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 | 0001498547 |
| Amendment Flag | false |
