Document and Entity Information - shares shares in Millions	9 Months Ended
	Sep. 30, 2017	Nov. 09, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	COLE CREDIT PROPERTY TRUST IV, INC.
Entity Central Index Key	0001498547
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity common stock, shares outstanding (shares)		310.8