Equity - Common Stock and General Partner Common OP Units (Details) - shares	Dec. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Common stock, shares authorized (shares)	1,500,000,000	1,500,000,000
Common stock, shares outstanding (shares)	974,208,583	974,146,650
Common stock, shares issued (shares)	974,208,583	974,146,650
VEREIT Operating Partnership, L.P. [Member] | Common Stock [Member]
Class of Stock [Line Items]
General partners', units outstanding (shares)	974,208,583	974,146,650
General partners', units issued (shares)	974,208,583	974,146,650
VEREIT Operating Partnership, L.P. [Member] | Common Stock [Member] | General Partner [Member]
Class of Stock [Line Items]
General partners', units outstanding (shares)	974,200,000
General partners', units issued (shares)	974,200,000