CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - OP - USD ($) $ in Thousands	Total	VEREIT Operating Partnership, L.P. [Member]	VEREIT Operating Partnership, L.P. [Member] Preferred Units [Member] General Partner [Member]	VEREIT Operating Partnership, L.P. [Member] Preferred Units [Member] Limited Partner [Member]	VEREIT Operating Partnership, L.P. [Member] Common Stock [Member] General Partner [Member]	VEREIT Operating Partnership, L.P. [Member] Common Stock [Member] Limited Partner [Member]	VEREIT Operating Partnership, L.P. [Member] Total Partners' Capital [Member]	VEREIT Operating Partnership, L.P. [Member] Total Partners' Capital [Member] Limited Partner [Member]	VEREIT Operating Partnership, L.P. [Member] Noncontrolling Interest [Member]
Beginning balance (shares) at Dec. 31, 2018			42,834,138	86,874	967,515,165	23,715,908
Beginning balance at Dec. 31, 2018		$ 7,300,144	$ 710,325	$ 2,883	$ 6,446,734	$ 138,931	$ 7,298,873		$ 1,271
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of common OP Units (shares)					3,309,808
Issuance of common OP Units, net	$ 27,544	27,544			$ 27,544		27,544
Conversion of Limited Partners' Common OP Units to General Partner's Common OP Units		0			$ (26)	26
Conversion of Limited Partner Series F Preferred Units to Series F Preferred Stock (shares)			37,108	(37,108)
Conversion of Series F Preferred Units to Series F Preferred Stock (shares)	0	0	$ 923	$ (923)
Repurchases of common OP Units to settle tax obligation (shares)					(199,083)
Repurchases of common OP Units to settle tax obligation	(1,595)	(1,595)			$ (1,595)		(1,595)
Equity-based compensation, net (shares)					950,487
Equity-based compensation, net		2,872			$ 2,872		2,872
Contributions from non-controlling interest holders	64	64							64
Distributions to non-controlling interest holders	(3,262)	(136,742)			(133,480)	(3,262)	(136,742)
Dividend equivalents on awards granted under the Equity Plan	(1,222)	(1,222)			(1,222)		(1,222)
Distributions to preferred shareholders and unitholders	(17,973)	(17,973)	$ (17,940)	$ (33)			(17,973)
Net income (loss)	70,971	70,971			69,304	1,695	70,999		(28)
Other comprehensive loss	(11,189)	(11,189)			$ (10,922)	$ (267)	(11,189)
Ending balance (shares) at Mar. 31, 2019			42,871,246	49,766	971,576,377	23,715,908
Ending balance at Mar. 31, 2019		7,232,874	$ 693,308	$ 1,927	$ 6,399,209	$ 137,123	7,231,567		1,307
Beginning balance (shares) at Dec. 31, 2018			42,834,138	86,874	967,515,165	23,715,908
Beginning balance at Dec. 31, 2018		7,300,144	$ 710,325	$ 2,883	$ 6,446,734	$ 138,931	7,298,873		1,271
Increase (Decrease) in Partners' Capital [Roll Forward]
Distributions payable relinquished	$ 7,799
Surrender of Limited Partner OP Units (shares)	(2,900,000)
Surrender of Limited Partner OP Units	$ (191,974)
Net income (loss)	(378,274)	(378,274)
Other comprehensive loss	(47,669)	(47,669)
Ending balance (shares) at Sep. 30, 2019			38,871,246	49,766	1,067,688,887	20,793,463
Ending balance at Sep. 30, 2019		7,022,042	$ 595,781	$ 1,891	$ 6,421,484	$ 1,634	7,020,790		1,252
Beginning balance (shares) at Mar. 31, 2019			42,871,246	49,766	971,576,377	23,715,908
Beginning balance at Mar. 31, 2019		7,232,874	$ 693,308	$ 1,927	$ 6,399,209	$ 137,123	7,231,567		1,307
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of common OP Units (shares)					1,773,456
Issuance of common OP Units, net	14,534	14,534			$ 14,534		14,534
Repurchases of common OP Units to settle tax obligation	(9)	(9)			$ (9)		(9)
Equity-based compensation, net (shares)					36,066
Equity-based compensation, net		3,883			$ 3,883		3,883
Distributions to non-controlling interest holders	(3,264)	(137,105)			(133,841)	(3,264)	(137,105)
Dividend equivalents on awards granted under the Equity Plan	(44)	(44)			(44)		(44)
Distributions to preferred shareholders and unitholders	(17,973)	(17,973)	$ (17,958)	$ (15)			(17,973)
Distributions payable relinquished	6,429	6,429				$ 6,429	6,429
Surrender of Limited Partner OP Units (shares)						(2,922,445)
Surrender of Limited Partner OP Units	(26,537)	(26,537)			(8,520)	$ (18,017)	(26,537)
Net income (loss)	292,284	292,284			285,658	6,656	292,314		(30)
Other comprehensive loss	(16,209)	(16,209)			$ (15,824)	$ (385)	(16,209)
Ending balance (shares) at Jun. 30, 2019			42,871,246	49,766	973,385,899	20,793,463
Ending balance at Jun. 30, 2019		7,352,127	$ 675,350	$ 1,912	$ 6,545,046	$ 128,542	7,350,850		1,277
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of common OP Units (shares)					94,300,000
Issuance of common OP Units, net	886,926	886,926			$ 886,926		886,926
Redemption of Series F Preferred Stock (in shares)			(4,000,000)
Redemption of Series F Preferred Stock	(100,096)	(100,096)	$ (63,012)		$ (37,084)		(100,096)
Repurchases of common OP Units to settle tax obligation (shares)					(1,248)
Repurchases of common OP Units to settle tax obligation	(14)	(14)			$ (14)		(14)
Equity-based compensation, net (shares)					4,236
Equity-based compensation, net		3,144			$ 3,144		3,144
Distributions to non-controlling interest holders	(2,859)	(149,667)			(146,808)	(2,859)	(149,667)
Dividend equivalents on awards granted under the Equity Plan	(26)	(26)			(26)		(26)
Distributions to preferred shareholders and unitholders	(16,578)	(16,578)	$ (16,557)	$ (21)			(16,578)
Surrender of Limited Partner OP Units	(191,974)	(191,974)			(83,400)	(108,574)	(191,974)
Net income (loss)	(741,529)	(741,529)			(726,440)	(15,064)	(741,504)		(25)
Other comprehensive loss	(20,271)	(20,271)			$ (19,860)	$ (411)	(20,271)
Ending balance (shares) at Sep. 30, 2019			38,871,246	49,766	1,067,688,887	20,793,463
Ending balance at Sep. 30, 2019		7,022,042	$ 595,781	$ 1,891	$ 6,421,484	$ 1,634	7,020,790		1,252
Beginning balance (shares) at Dec. 31, 2019			30,871,246	49,766	1,076,845,984	786,719
Beginning balance at Dec. 31, 2019		6,843,278	$ 460,504	$ 1,869	$ 6,375,239	$ 4,433	6,842,045		1,233
Increase (Decrease) in Partners' Capital [Roll Forward]
Conversion of Limited Partners' Common OP Units to General Partner's Common OP Units (shares)					4,549	(4,549)
Conversion of Limited Partners' Common OP Units to General Partner's Common OP Units		0			$ 45	$ (45)
Redemption of Series F Preferred Stock	(27)	(27)	(27)				(27)
Repurchases of common OP Units to settle tax obligation (shares)					(241,092)
Repurchases of common OP Units to settle tax obligation	(2,378)	(2,378)			$ (2,378)		(2,378)
Equity-based compensation, net (shares)					1,172,038
Equity-based compensation, net		2,855			$ 2,855		2,855
Distributions to non-controlling interest holders	(105)	(148,299)			(148,194)	(105)	(148,299)
Dividend equivalents on awards granted under the Equity Plan	(1,628)	(1,628)			(1,628)		(1,628)
Distributions to preferred shareholders and unitholders	(12,947)	(12,947)	$ (12,928)	$ (19)			(12,947)
Net income (loss)	86,863	86,863			86,808	62	86,870		(7)
Other comprehensive loss	(76,602)	(76,602)			$ (76,547)	$ (55)	(76,602)
Ending balance (shares) at Mar. 31, 2020			30,871,246	49,766	1,077,781,479	782,170
Ending balance at Mar. 31, 2020		6,691,115	$ 447,549	$ 1,850	$ 6,236,200	$ 4,290	6,689,889		1,226
Beginning balance (shares) at Dec. 31, 2019			30,871,246	49,766	1,076,845,984	786,719
Beginning balance at Dec. 31, 2019		6,843,278	$ 460,504	$ 1,869	$ 6,375,239	$ 4,433	6,842,045		1,233
Increase (Decrease) in Partners' Capital [Roll Forward]
Distributions payable relinquished	0
Surrender of Limited Partner OP Units	0
Net income (loss)	239,085	239,085
Other comprehensive loss	(69,388)	(69,388)
Ending balance (shares) at Sep. 30, 2020			18,871,246	49,766	1,091,242,138	760,169
Ending balance at Sep. 30, 2020		6,455,744	$ 123,794	$ 1,809	$ 6,324,807	$ 4,130	6,454,540		1,204
Beginning balance (shares) at Mar. 31, 2020			30,871,246	49,766	1,077,781,479	782,170
Beginning balance at Mar. 31, 2020		6,691,115	$ 447,549	$ 1,850	$ 6,236,200	$ 4,290	6,689,889		1,226
Increase (Decrease) in Partners' Capital [Roll Forward]
Redemption of Series F Preferred Stock	(25)	(25)	(25)				(25)
Equity-based compensation, net (shares)					67,075
Equity-based compensation, net		4,071			$ 4,071		4,071
Distributions to non-controlling interest holders	(61)	(83,058)			(82,997)	(61)	(83,058)
Dividend equivalents on awards granted under the Equity Plan	(18)	(18)			(18)		(18)
Distributions to preferred shareholders and unitholders	(12,948)	(12,948)	$ (12,928)	$ (20)			(12,948)
Repurchase of convertible notes	(204)	(204)			(204)		(204)
Net income (loss)	54,239	54,239			54,208	39	54,247		(8)
Other comprehensive loss	(1,893)	(1,893)			$ (1,892)	$ (1)	(1,893)
Ending balance (shares) at Jun. 30, 2020			30,871,246	49,766	1,077,848,554	782,170
Ending balance at Jun. 30, 2020		6,651,279	$ 434,596	$ 1,830	$ 6,209,368	$ 4,267	6,650,061		1,218
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of common OP Units (shares)					13,296,662
Issuance of common OP Units, net	89,279	89,279			$ 89,279		89,279
Redemption of Limited Partners' Common OP Units (shares)						(22,001)
Redemption of Limited Partners' Common OP Units	(149)	(149)				$ (149)		$ (149)
Redemption of Series F Preferred Stock (in shares)			(12,000,000)
Redemption of Series F Preferred Stock	(300,052)	(300,052)	$ (300,052)				(300,052)
Repurchases of common OP Units to settle tax obligation (shares)					(1,248)
Repurchases of common OP Units to settle tax obligation	(8)	(8)			$ (8)		(8)
Equity-based compensation, net (shares)					98,170
Equity-based compensation, net		3,211			$ 3,211		3,211
Distributions to non-controlling interest holders	(59)	(84,085)			(84,026)	(59)	(84,085)
Dividend equivalents on awards granted under the Equity Plan	(24)	(24)			(24)		(24)
Distributions to preferred shareholders and unitholders	(10,771)	(10,771)	$ (10,750)	$ (21)			(10,771)
Repurchase of convertible notes	(26)	(26)			(26)		(26)
Net income (loss)	97,983	97,983			97,932	65	97,997		(14)
Other comprehensive loss	$ 9,107	9,107			$ 9,101	$ 6	9,107
Ending balance (shares) at Sep. 30, 2020			18,871,246	49,766	1,091,242,138	760,169
Ending balance at Sep. 30, 2020		$ 6,455,744	$ 123,794	$ 1,809	$ 6,324,807	$ 4,130	$ 6,454,540		$ 1,204