Net Income (Loss) Per Share/Unit - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended						9 Months Ended
		Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income		$ 61,613	$ 77,903	$ 120,723	$ 98,917	$ 56,105	$ 86,863	$ 260,239	$ 241,885
Net income (loss) attributable to non-controlling interests	[1]	(48)			(51)			(131)	(137)
Net income attributable to the General Partner/OP		61,565			98,866			260,108	241,748
Dividends to preferred shares and units		(3,124)			(10,771)			(15,897)	(36,667)
Net income available to common stockholders used in basic net income per share		58,441			88,095			244,211	205,081
Income attributable to limited partners		58			65			172	166
Net income used in diluted net income per share		$ 58,499			$ 88,160			$ 244,383	$ 205,247
Weighted average number of common Stock/units outstanding - basic (shares)		229,271,106			216,737,561			229,227,755	216,002,172
Effect of Limited Partner OP Units and dilutive securities (shares)		908,334			290,114			661,115	285,993
Weighted Average Number of common shares/units - diluted (shares)		230,179,440			217,027,675			229,888,870	216,288,165
Basic net income per share attributable to common stockholders (in dollars per share)		$ 0.25			$ 0.41			$ 1.06	$ 0.95
Diluted net income per share attributable to common stockholders (in dollars per share)		$ 0.25			$ 0.41			$ 1.06	$ 0.95
VEREIT Operating Partnership, L.P. [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income		$ 61,613	$ 77,903	$ 120,723	$ 98,917	$ 56,105	$ 86,863	$ 260,239	$ 241,885
Net income (loss) attributable to non-controlling interests	[2]	10			14			41	29
Net income attributable to the General Partner/OP		61,623			98,931			260,280	241,914
Dividends to preferred shares and units		(3,124)			(10,771)			(15,897)	(36,667)
Net income available to common stockholders used in basic net income per share		58,499			88,160			244,383	205,247
Net income used in diluted net income per share		$ 58,499			$ 88,160			$ 244,383	$ 205,247
Weighted average number of common Stock/units outstanding - basic (shares)		229,423,140			216,891,891			229,379,789	216,157,976
Effect of Limited Partner OP Units and dilutive securities (shares)		756,300			135,784			509,081	130,189
Weighted Average Number of common shares/units - diluted (shares)		230,179,440			217,027,675			229,888,870	216,288,165
Basic net income per unit attributable to common stockholders (in dollars per share)		$ 0.25			$ 0.41			$ 1.06	$ 0.95
Diluted net income per unit attributable to common stockholders (in dollars per share)		$ 0.25			$ 0.41			$ 1.06	$ 0.95

[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.