Net Income (Loss) Per Share/Unit - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income		$ 77,903	$ 120,723	$ 56,105	$ 86,863	$ 198,626	$ 142,968
Net income (loss) attributable to non-controlling interests	[1]	(7)		(31)		(83)	(86)
Net income attributable to the General Partner/OP		77,896		56,074		198,543	142,882
Dividends to preferred shares and units		(6,248)		(12,948)		(12,773)	(25,896)
Net income available to common stockholders used in basic net income per share		71,648		43,126		185,770	116,986
Income attributable to limited partners		35		39		114	101
Net income used in diluted net income per share		$ 71,683		$ 43,165		$ 185,884	$ 117,087
Weighted average number of common Stock/units outstanding - basic (shares)		229,251,460		215,673,313		229,205,720	215,630,437
Effect of Limited Partner OP Units and dilutive securities (shares)		740,106		237,300		534,391	274,191
Weighted Average Number of common shares/units - diluted (shares)		229,991,566		215,910,613		229,740,111	215,904,628
Basic net income per share attributable to common stockholders (in dollars per share)		$ 0.31		$ 0.20		$ 0.81	$ 0.54
Diluted net income per share attributable to common stockholders (in dollars per share)		$ 0.31		$ 0.20		$ 0.81	$ 0.54
VEREIT Operating Partnership, L.P. [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income		$ 77,903	$ 120,723	$ 56,105	$ 86,863	$ 198,626	$ 142,968
Net income (loss) attributable to non-controlling interests	[2]	28		8		31	15
Net income attributable to the General Partner/OP		77,931		56,113		198,657	142,983
Dividends to preferred shares and units		(6,248)		(12,948)		(12,773)	(25,896)
Net income available to common stockholders used in basic net income per share		71,683		43,165		185,884	117,087
Net income used in diluted net income per share		$ 71,683		$ 43,165		$ 185,884	$ 117,087
Weighted average number of common Stock/units outstanding - basic (shares)		229,403,494		215,829,747		229,357,754	215,786,986
Effect of Limited Partner OP Units and dilutive securities (shares)		588,072		80,866		382,357	117,642
Weighted Average Number of common shares/units - diluted (shares)		229,991,566		215,910,613		229,740,111	215,904,628
Basic net income per unit attributable to common stockholders (in dollars per share)		$ 0.31		$ 0.20		$ 0.81	$ 0.54
Diluted net income per unit attributable to common stockholders (in dollars per share)		$ 0.31		$ 0.20		$ 0.81	$ 0.54

[1] Represents net income attributable to limited partners and a consolidated joint venture partner.

[2] Represents net loss attributable to a consolidated joint venture partner.