Equity - Series F Preferred Stock and Series F Preferred OP Units (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 22, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Preferred stock, shares issued (shares)	30,871,246		30,871,246
Preferred stock, shares outstanding (shares)	30,871,246		30,871,246
Series F Preferred Stock [Member]
Class of Stock [Line Items]
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
Preferred stock, shares issued (shares)	30,900,000
Redemption notice amount		$ 150.0
VEREIT Operating Partnership, L.P. [Member] | Preferred Units [Member]
Class of Stock [Line Items]
General partners', units issued (shares)	30,871,246		30,871,246
Limited partners', units issued (shares)	49,766		49,766
Limited partners', units outstanding (shares)	49,766		49,766
General partners', units outstanding (shares)	30,871,246		30,871,246