Organization (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Real Estate Properties [Line Items]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Series F cumulative redeemable preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Series F Preferred Stock [Member]
Real Estate Properties [Line Items]
Series F cumulative redeemable preferred stock, dividend rate	6.70%
Series F cumulative redeemable preferred stock, par value (in dollars per share)	$ 0.01
VEREIT Operating Partnership, L.P. [Member]
Real Estate Properties [Line Items]
General partner ownership interest in OP	99.90%
Partnership units, holding period until right to redeem	1 year