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] Noncontrolling Interest [Member]
Beginning balance (shares) at Dec. 31, 2019			30,871,246	49,766	215,369,197	157,343
Beginning balance at Dec. 31, 2019		$ 6,870,194	$ 460,504	$ 1,869	$ 6,402,155	$ 4,433	$ 6,868,961	$ 1,233
Increase (Decrease) in Partners' Capital [Roll Forward]
Conversion of Limited Partners' Common OP Units to General Partner's Common OP Units (shares)					910	(910)
Conversion of Limited Partners' Common OP Units to General Partner's Common OP Units		0			$ 45	$ (45)
Redemption of Series F Preferred Units	$ (27)	(27)	(27)				(27)
Repurchases of common OP Units to settle tax obligation (shares)					(48,218)
Repurchases of common OP Units to settle tax obligation	(2,378)	(2,378)			$ (2,378)		(2,378)
Equity-based compensation, net (shares)					234,408
Equity-based compensation, net		2,855			$ 2,855		2,855
Distributions to Common OP Units and non-controlling interests	(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 Series F Preferred Units	(12,947)	(12,947)	$ (12,928)	$ (19)			(12,947)
Net income	86,863	86,863			86,808	62	86,870	(7)
Other comprehensive income (loss)	(76,602)	(76,602)			$ (76,547)	$ (55)	(76,602)
Ending balance (shares) at Mar. 31, 2020			30,871,246	49,766	215,556,297	156,433
Ending balance at Mar. 31, 2020		6,718,031	$ 447,549	$ 1,850	$ 6,263,116	$ 4,290	6,716,805	1,226
Beginning balance (shares) at Dec. 31, 2019			30,871,246	49,766	215,369,197	157,343
Beginning balance at Dec. 31, 2019		6,870,194	$ 460,504	$ 1,869	$ 6,402,155	$ 4,433	6,868,961	1,233
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	241,885	241,885
Other comprehensive income (loss)	(69,388)	(69,388)
Ending balance (shares) at Sep. 30, 2020			18,871,246	49,766	218,248,428	152,033
Ending balance at Sep. 30, 2020		6,485,460	$ 123,794	$ 1,809	$ 6,354,523	$ 4,130	6,484,256	1,204
Beginning balance (shares) at Mar. 31, 2020			30,871,246	49,766	215,556,297	156,433
Beginning balance at Mar. 31, 2020		6,718,031	$ 447,549	$ 1,850	$ 6,263,116	$ 4,290	6,716,805	1,226
Increase (Decrease) in Partners' Capital [Roll Forward]
Redemption of Series F Preferred Units		(25)	(25)				(25)
Repurchases of common OP Units to settle tax obligation	(25)
Equity-based compensation, net (shares)					13,415
Equity-based compensation, net		4,071			$ 4,071		4,071
Distributions to Common OP Units and non-controlling interests	(61)	(83,058)			(82,997)	(61)	(83,058)
Dividend equivalents on awards granted under the Equity Plan	(18)	(18)			(18)		(18)
Distributions to Series F Preferred Units	(12,948)	(12,948)	$ (12,928)	$ (20)			(12,948)
Repurchase of convertible notes	(204)	(204)			(204)		(204)
Net income	56,105	56,105			56,074	39	56,113	(8)
Other comprehensive income (loss)	(1,893)	(1,893)			$ (1,892)	$ (1)	(1,893)
Ending balance (shares) at Jun. 30, 2020			30,871,246	49,766	215,569,712	156,433
Ending balance at Jun. 30, 2020		6,680,061	$ 434,596	$ 1,830	$ 6,238,150	$ 4,267	6,678,843	1,218
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of common OP Units, net (shares)					2,659,332
Issuance of common OP Units, net	89,279	89,279			$ 89,279		89,279
Redemption of Limited Partners' Common OP Units (shares)						(4,400)
Redemption of Limited Partners' Common OP Units	(149)	(149)				$ (149)	(149)
Redemption of Series F Preferred Stock/Units (shares)			(12,000,000)
Redemption of Series F Preferred Units	(300,052)	(300,052)	$ (300,052)				(300,052)
Repurchases of common OP Units to settle tax obligation (shares)					(250)
Repurchases of common OP Units to settle tax obligation	(8)	(8)			$ (8)		(8)
Equity-based compensation, net (shares)					19,634
Equity-based compensation, net		3,211			$ 3,211		3,211
Distributions to Common OP Units and non-controlling interests	(59)	(84,085)			(84,026)	(59)	(84,085)
Dividend equivalents on awards granted under the Equity Plan	(24)	(24)			(24)		(24)
Distributions to Series F Preferred Units	(10,771)	(10,771)	$ (10,750)	$ (21)			(10,771)
Repurchase of convertible notes	(26)	(26)			(26)		(26)
Net income	98,917	98,917			98,866	65	98,931	(14)
Other comprehensive income (loss)	9,107	9,107			$ 9,101	$ 6	9,107
Ending balance (shares) at Sep. 30, 2020			18,871,246	49,766	218,248,428	152,033
Ending balance at Sep. 30, 2020		6,485,460	$ 123,794	$ 1,809	$ 6,354,523	$ 4,130	6,484,256	1,204
Beginning balance (shares) at Dec. 31, 2020			18,871,246	49,766	228,881,547	152,033
Beginning balance at Dec. 31, 2020		6,842,216	$ 254,294	$ 1,787	$ 6,580,752	$ 4,209	6,841,042	1,174
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of common OP Units, net (shares)					35,710
Redemption of Series F Preferred Stock/Units (shares)			(4,000,000)
Redemption of Series F Preferred Units	(100,000)	(100,000)	$ (100,000)				(100,000)
Repurchases of common OP Units to settle tax obligation (shares)					(49,237)
Repurchases of common OP Units to settle tax obligation	(1,681)	(1,681)			$ (1,681)		(1,681)
Equity-based compensation, net (shares)					261,934
Equity-based compensation, net		2,892			$ 2,892		2,892
Distributions to Common OP Units and non-controlling interests	(70)	(105,928)			(105,858)	(70)	(105,928)
Dividend equivalents on awards granted under the Equity Plan	(1,581)	(1,581)			(1,581)		(1,581)
Distributions to Series F Preferred Units	(6,525)	(6,525)	$ (6,506)	$ (19)			(6,525)
Net income	120,723	120,723			120,647	$ 79	120,726	(3)
Other comprehensive income (loss)	98	98			$ 98		98
Ending balance (shares) at Mar. 31, 2021			14,871,246	49,766	229,129,954	152,033
Ending balance at Mar. 31, 2021		6,750,214	$ 147,788	$ 1,768	$ 6,595,269	$ 4,218	6,749,043	1,171
Beginning balance (shares) at Dec. 31, 2020			18,871,246	49,766	228,881,547	152,033
Beginning balance at Dec. 31, 2020		6,842,216	$ 254,294	$ 1,787	$ 6,580,752	$ 4,209	6,841,042	1,174
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	260,239	260,239
Other comprehensive income (loss)	295	295
Ending balance (shares) at Sep. 30, 2021			0	0	229,152,001	152,033
Ending balance at Sep. 30, 2021		6,302,739	$ 0	$ 0	$ 6,296,943	$ 4,663	6,301,606	1,133
Beginning balance (shares) at Mar. 31, 2021			14,871,246	49,766	229,129,954	152,033
Beginning balance at Mar. 31, 2021		6,750,214	$ 147,788	$ 1,768	$ 6,595,269	$ 4,218	6,749,043	1,171
Increase (Decrease) in Partners' Capital [Roll Forward]
Redemption of Series F Preferred Units	(41)	(41)	(41)				(41)
Repurchases of common OP Units to settle tax obligation (shares)					(18,042)
Repurchases of common OP Units to settle tax obligation	(100)	(100)			$ (100)		(100)
Equity-based compensation, net (shares)					37,704
Equity-based compensation, net		4,137			$ 4,137		4,137
Distributions to Common OP Units and non-controlling interests	(70)	(105,937)			(105,867)	(70)	(105,937)
Dividend equivalents on awards granted under the Equity Plan	(20)	(20)			(20)		(20)
Distributions to Series F Preferred Units	(6,248)	(6,248)	$ (6,227)	$ (21)			(6,248)
Net income	77,903	77,903			77,896	$ 35	77,931	(28)
Other comprehensive income (loss)	98	98			$ 98		98
Ending balance (shares) at Jun. 30, 2021			14,871,246	49,766	229,149,616	152,033
Ending balance at Jun. 30, 2021		6,720,006	$ 141,520	$ 1,747	$ 6,571,413	$ 4,183	6,718,863	1,143
Increase (Decrease) in Partners' Capital [Roll Forward]
Redemption of Series F Preferred Stock/Units (shares)			(14,871,246)	(49,766)
Redemption of Series F Preferred Units	(373,032)	(373,032)	$ (138,407)	$ (1,736)	$ (233,381)	492	(373,032)
Repurchases of common OP Units to settle tax obligation (shares)					(6,356)
Repurchases of common OP Units to settle tax obligation	(47)	(47)			$ (47)		(47)
Equity-based compensation, net (shares)					8,741
Equity-based compensation, net		3,188			$ 3,188		3,188
Distributions to Common OP Units and non-controlling interests	(70)	(105,938)			(105,868)	(70)	(105,938)
Dividend equivalents on awards granted under the Equity Plan	(26)	(26)			(26)		(26)
Distributions to Series F Preferred Units	(3,124)	(3,124)	$ (3,113)	$ (11)			(3,124)
Net income	61,613	61,613			61,565	58	61,623	(10)
Other comprehensive income (loss)	$ 99	99			$ 99	$ 0	99
Ending balance (shares) at Sep. 30, 2021			0	0	229,152,001	152,033
Ending balance at Sep. 30, 2021		$ 6,302,739	$ 0	$ 0	$ 6,296,943	$ 4,663	$ 6,301,606	$ 1,133