Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Distributions in Excess of Net Income [Member]	Non-controlling Interest [Member]	Duke Realty Limited Partnership [Member]	Duke Realty Limited Partnership [Member] Common Stock [Member]	Duke Realty Limited Partnership [Member] Limited Partners' Common Equity [Member]	Duke Realty Limited Partnership [Member] AOCI Attributable to Parent [Member]	Duke Realty Limited Partnership [Member] Non-controlling Interest [Member]	Duke Realty Limited Partnership [Member] Stockholders' Equity, Total [Member]
Beginning Balance - General Partner at Dec. 31, 2018	$ 4,713,243	$ 3,589	$ 5,244,375	$ (4,676)	$ (585,087)	$ 55,042
Beginning Balance - Partnership at Dec. 31, 2018							$ 4,713,243	$ 4,662,877	$ 50,585	$ (4,676)	$ 4,457	$ 4,708,786
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	345,122				342,170	2,952	345,122	342,170	2,971		(19)	345,141
Other comprehensive income	0						0
Other comprehensive loss	(37,428)			(37,428)			(37,428)			(37,428)		(37,428)
Issuance of common shares	222,672	68	222,604
Capital contribution from the General Partner							222,672	222,672				222,672
Stock based compensation plan activity	11,850	6	5,531		(896)	7,209	11,850	4,641	7,209			11,850
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	312					312	312				312
Distributions to Partners							(234,352)	(232,323)	(2,029)			(234,352)
Distributions to common shareholders	(232,323)				(232,323)
Distributions to noncontrolling interests	(2,176)					(2,176)	(147)				(147)
Ending Balance - General Partner at Sep. 30, 2019	5,021,272	3,663	5,472,510	(42,104)	(476,136)	63,339
Ending Balance - Partnership at Sep. 30, 2019							5,021,272	5,000,037	58,736	(42,104)	4,603	5,016,669
Beginning Balance - General Partner at Jun. 30, 2019	4,702,121	3,606	5,290,382	(28,717)	(624,674)	61,524
Beginning Balance - Partnership at Jun. 30, 2019							4,702,121	4,669,314	56,910	(28,717)	4,614	4,697,507
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	228,531				226,566	1,965	228,531	226,566	1,968		(3)	228,534
Other comprehensive income	0						0
Other comprehensive loss	(13,387)			(13,387)			(13,387)			(13,387)		(13,387)
Issuance of common shares	180,544	55	180,489
Capital contribution from the General Partner							180,544	180,544				180,544
Stock based compensation plan activity	1,920	2	1,639		(255)	534	1,920	1,386	534			1,920
Distributions to Partners							(78,449)	(77,773)	(676)			(78,449)
Distributions to common shareholders	(77,773)				(77,773)
Distributions to noncontrolling interests	(684)					(684)	(8)				(8)
Ending Balance - General Partner at Sep. 30, 2019	5,021,272	3,663	5,472,510	(42,104)	(476,136)	63,339
Ending Balance - Partnership at Sep. 30, 2019							5,021,272	5,000,037	58,736	(42,104)	4,603	5,016,669
Beginning Balance - General Partner at Dec. 31, 2019	5,080,260	3,680	5,525,463	(35,036)	(475,992)	62,145
Beginning Balance - Partnership at Dec. 31, 2019							5,080,260	5,053,151	57,575	(35,036)	4,570	5,075,690
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	132,396				131,099	1,297	132,396	131,099	1,164		133	132,263
Other comprehensive income	2,579			2,579			2,579			2,579		2,579
Other comprehensive loss	0						0
Issuance of common shares	119,765	32	119,733
Capital contribution from the General Partner							119,765	119,765				119,765
Stock based compensation plan activity	16,227	3	7,947		(858)	9,135	16,227	7,092	9,135			16,227
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	200					200	200				200
Distributions to Partners							(262,780)	(260,431)	(2,349)			(262,780)
Distributions to common shareholders	(260,431)				(260,431)
Distributions to noncontrolling interests	(2,349)					(2,349)
Ending Balance - General Partner at Sep. 30, 2020	5,088,647	3,715	5,653,143	(32,457)	(606,182)	70,428
Ending Balance - Partnership at Sep. 30, 2020							5,088,647	5,050,676	65,525	(32,457)	4,903	5,083,744
Beginning Balance - General Partner at Jun. 30, 2020	5,057,416	3,704	5,607,897	(33,346)	(590,435)	69,596
Beginning Balance - Partnership at Jun. 30, 2020							5,057,416	5,021,166	64,948	(33,346)	4,648	5,052,768
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	72,516				71,823	693	72,516	71,823	638		55	72,461
Other comprehensive income	889			889			889			889		889
Other comprehensive loss	0						0
Issuance of common shares	43,087	11	43,076
Capital contribution from the General Partner							43,087	43,087				43,087
Stock based compensation plan activity	2,622	0	2,170		(270)	722	2,622	1,900	722			2,622
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	200					200	200				200
Distributions to Partners							(88,083)	(87,300)	(783)			(88,083)
Distributions to common shareholders	(87,300)				(87,300)
Distributions to noncontrolling interests	(783)					(783)
Ending Balance - General Partner at Sep. 30, 2020	$ 5,088,647	$ 3,715	$ 5,653,143	$ (32,457)	$ (606,182)	$ 70,428
Ending Balance - Partnership at Sep. 30, 2020							$ 5,088,647	$ 5,050,676	$ 65,525	$ (32,457)	$ 4,903	$ 5,083,744