Cover - shares shares in Millions	9 Months Ended
	Sep. 30, 2024	Nov. 06, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	000-54939
Entity Registrant Name	CIM REAL ESTATE FINANCE TRUST, INC.
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, City or Town	Phoenix,
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85016
City Area Code	(602)
Local Phone Number	778-8700
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		436.5
Entity Central Index Key	0001498547
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31