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, 2017	$ 4,574,378	$ 3,564	$ 5,205,316		$ (676,036)	$ 41,534
Beginning Balance - Partnership at Dec. 31, 2017							$ 4,574,378	$ 4,532,844	$ 40,563		$ 971	$ 4,573,407
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	269,319				266,808	2,511	269,319	266,808	2,507		4	269,315
Issuance of common shares	1,376	1	1,375
Capital contribution from the General Partner							1,376	1,376				1,376
Stock based compensation plan activity	8,065	6	977		(650)	7,732	8,065	333	7,732			8,065
Conversion of Limited Partner Units	0	1	1,937			(1,938)	0	1,938	(1,938)
Distributions to Partners							(144,168)	(142,807)	(1,361)			(144,168)
Distributions to common shareholders	(142,807)				(142,807)
Distributions to noncontrolling interests	(1,361)					(1,361)
Ending Balance - General Partner at Jun. 30, 2018	4,708,970	3,572	5,209,605		(552,685)	48,478
Ending Balance - Partnership at Jun. 30, 2018							4,708,970	4,660,492	47,503		975	4,707,995
Beginning Balance - General Partner at Mar. 31, 2018	4,581,184	3,570	5,204,855		(674,920)	47,679
Beginning Balance - Partnership at Mar. 31, 2018							4,581,184	4,533,505	46,706		973	4,580,211
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	195,671				193,845	1,826	195,671	193,845	1,824		2	195,669
Issuance of common shares	670	1	669
Capital contribution from the General Partner							670	670				670
Stock based compensation plan activity	3,535		2,144		(201)	1,592	3,535	1,943	1,592			3,535
Conversion of Limited Partner Units	0	1	1,937			(1,938)	0	1,938	(1,938)
Distributions to Partners							(72,090)	(71,409)	(681)			(72,090)
Distributions to common shareholders	(71,409)				(71,409)
Distributions to noncontrolling interests	(681)					(681)
Ending Balance - General Partner at Jun. 30, 2018	4,708,970	3,572	5,209,605		(552,685)	48,478
Ending Balance - Partnership at Jun. 30, 2018							4,708,970	4,660,492	47,503		975	4,707,995
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	116,591				115,604	987	116,591	115,604	1,003		(16)	116,607
Other Comprehensive Income (Loss), Net of Tax	(24,041)			(24,041)			(24,041)			(24,041)		(24,041)
Issuance of common shares	42,128	13	42,115
Capital contribution from the General Partner							42,128	42,128				42,128
Stock based compensation plan activity	9,930	4	3,892		(641)	6,675	9,930	3,255	6,675			9,930
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	312					312	312				312
Distributions to Partners							(155,903)	(154,550)	(1,353)			(155,903)
Distributions to common shareholders	(154,550)				(154,550)
Distributions to noncontrolling interests	(1,492)					(1,492)	(139)				(139)
Ending Balance - General Partner at Jun. 30, 2019	4,702,121	3,606	5,290,382	(28,717)	(624,674)	61,524
Ending Balance - Partnership at Jun. 30, 2019							4,702,121	4,669,314	56,910	(28,717)	4,614	4,697,507
Beginning Balance - General Partner at Mar. 31, 2019	4,681,171	3,594	5,250,157	(14,018)	(618,123)	59,561
Beginning Balance - Partnership at Mar. 31, 2019							4,681,171	4,635,628	54,941	(14,018)	4,620	4,676,551
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	71,668				71,053	615	71,668	71,053	621		(6)	71,674
Other Comprehensive Income (Loss), Net of Tax	(14,699)			(14,699)			(14,699)			(14,699)		(14,699)
Issuance of common shares	37,636	12	37,624
Capital contribution from the General Partner							37,636	37,636				37,636
Stock based compensation plan activity	4,333		2,601		(291)	2,023	4,333	2,310	2,023			4,333
Distributions to Partners							(77,988)	(77,313)	(675)			(77,988)
Distributions to common shareholders	(77,313)				(77,313)
Distributions to noncontrolling interests	(675)					(675)
Ending Balance - General Partner at Jun. 30, 2019	$ 4,702,121	$ 3,606	$ 5,290,382	$ (28,717)	$ (624,674)	$ 61,524
Ending Balance - Partnership at Jun. 30, 2019							$ 4,702,121	$ 4,669,314	$ 56,910	$ (28,717)	$ 4,614	$ 4,697,507