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, 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
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
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
Beginning Balance - General Partner at Dec. 31, 2020	5,234,448	3,733	5,723,326	(31,568)	(532,519)	71,476
Beginning Balance - Partnership at Dec. 31, 2020							5,234,448	5,194,540	66,874	(31,568)	4,602	5,229,846
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	757,625				749,996	7,629	757,625	749,996	7,347		282	757,343
Other comprehensive income	2,668			2,668			2,668			2,668		2,668
Issuance of common shares	311,238	66	311,172
Capital contribution from the General Partner							311,238	311,238				311,238
Stock based compensation plan activity	17,658	5	6,822		(863)	11,694	17,658	5,964	11,694			17,658
Issuance of Limited Partner Units	11,564					11,564	11,564		11,564			11,564
Conversion of Limited Partner Units		3	5,119			(5,122)		5,122	(5,122)
Redemption of Limited Partner Units	(39)		(42)			3	(39)	(42)	3			(39)
Distributions to Partners							(290,479)	(287,619)	(2,860)			(290,479)
Distributions to common shareholders	(287,619)				(287,619)
Distributions to noncontrolling interests	(3,160)					(3,160)	(300)				(300)
Ending Balance - General Partner at Sep. 30, 2021	6,044,383	3,807	6,046,397	(28,900)	(71,005)	94,084
Ending Balance - Partnership at Sep. 30, 2021							6,044,383	5,979,199	89,500	(28,900)	4,584	6,039,799
Beginning Balance - General Partner at Jun. 30, 2021	5,514,909	3,780	5,920,931	(29,789)	(469,076)	89,063
Beginning Balance - Partnership at Jun. 30, 2021							5,514,909	5,455,635	84,494	(29,789)	4,569	5,510,340
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	499,765				494,817	4,948	499,765	494,817	4,848		100	499,665
Other comprehensive income	889			889			889			889		889
Issuance of common shares	124,021	25	123,996
Capital contribution from the General Partner							124,021	124,021				124,021
Stock based compensation plan activity	2,394	2	1,396		(209)	1,205	2,394	1,189	1,205			2,394
Issuance of Limited Partner Units	(12)					(12)	(12)		(12)			(12)
Conversion of Limited Partner Units		0	76			(76)		76	(76)
Redemption of Limited Partner Units	(2)		(2)			0	(2)	(2)	0			(2)
Distributions to Partners							(97,496)	(96,537)	(959)			(97,496)
Distributions to common shareholders	(96,537)				(96,537)
Distributions to noncontrolling interests	(1,044)					(1,044)	(85)				(85)
Ending Balance - General Partner at Sep. 30, 2021	$ 6,044,383	$ 3,807	$ 6,046,397	$ (28,900)	$ (71,005)	$ 94,084
Ending Balance - Partnership at Sep. 30, 2021							$ 6,044,383	$ 5,979,199	$ 89,500	$ (28,900)	$ 4,584	$ 6,039,799