Equity - Series F Preferred Stock (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Preferred stock, shares issued (shares)	42,834,138	42,834,138
Preferred stock, shares outstanding (shares)	42,834,138	42,834,138
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (shares)	42,800,000
Preferred stock, dividend rate (percent)	6.70%
Preferred stock, liquidation preference per share (in dollars per share)	$ 25.00
Dividend rate (in dollars per share)	$ 1.675
VEREIT Operating Partnership, L.P. [Member] | Preferred Units [Member]
Class of Stock [Line Items]
General partners', units issued (shares)	42,834,138	42,834,138
General partners', units outstanding (shares)	42,834,138	42,834,138
Series F preferred units (shares)	86,874	86,874
Limited partners', units outstanding (shares)	86,874	86,874