Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Rental and related revenue	$ 1,025,663	$ 929,194	$ 855,833
General contractor and service fee revenue	80,260	64,004	117,926
Revenues, Total	1,105,923	993,198	973,759
Expenses:
Rental expenses	85,782	76,639	75,584
Real estate taxes	159,580	149,295	129,520
General contractor and other services expenses	68,118	57,976	111,566
Depreciation and amortization	362,148	353,013	327,223
Costs and expenses, total	675,628	636,923	643,893
Other Operating Activities
Equity in earnings of unconsolidated joint ventures	32,804	11,944	31,406
Gain on sale of properties	585,685	127,700	234,653
Gain on land sales	12,917	10,458	7,445
Other operating expenses	(3,607)	(8,209)	(5,318)
Impairment charges	0	(5,626)	0
Non-incremental costs related to successful leases	(13,302)	(12,292)	(12,402)
General and administrative expenses	(69,554)	(62,404)	(60,889)
Other operating activities, net	544,943	61,571	194,895
Operating income	975,238	417,846	524,761
Other income (expenses):
Interest and other income, net	4,451	1,721	9,941
Interest expense	(84,843)	(93,442)	(89,756)
Loss on debt extinguishment	(17,901)	(32,900)	(6,320)
Gain on involuntary conversion	3,222	4,312	2,259
Income from continuing operations before income taxes	880,167	297,537	440,885
Income tax (expense) benefit	(18,549)	5,112	(8,686)
Income from continuing operations	861,618	302,649	432,199
Discontinued operations:
Gain on sale of properties	0	111	445
Income from discontinued operations	0	111	445
Net income	861,618	302,760	432,644
Net income attributable to noncontrolling interests	(8,723)	(2,845)	(3,672)
Net income attributable to common shareholders	$ 852,895	$ 299,915	$ 428,972
Basic net income per common share:
Continuing operations attributable to common shareholders/unitholders	$ 2.25	$ 0.81	$ 1.18
Total	2.25	0.81	1.18
Diluted net income per common share:
Continuing operations attributable to common shareholders/unitholders	2.25	0.80	1.18
Total	$ 2.25	$ 0.80	$ 1.18
Weighted average number of common shares/units outstanding	377,673	370,057	362,234
Weighted average number of common shares/units and potential dilutive securities	383,476	374,156	367,339
Comprehensive Income (Loss) [Abstract]
Net income	$ 861,618	$ 302,760	$ 432,644
Other comprehensive income (loss):
Unrealized losses on interest rate swap contracts	0	0	(30,893)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	3,557	3,468	533
Total other comprehensive income (loss)	3,557	3,468	(30,360)
Comprehensive income	865,175	306,228	402,284
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	1,025,663	929,194	855,833
General contractor and service fee revenue	80,260	64,004	117,926
Revenues, Total	1,105,923	993,198	973,759
Expenses:
Rental expenses	85,782	76,639	75,584
Real estate taxes	159,580	149,295	129,520
General contractor and other services expenses	68,118	57,976	111,566
Depreciation and amortization	362,148	353,013	327,223
Costs and expenses, total	675,628	636,923	643,893
Other Operating Activities
Equity in earnings of unconsolidated joint ventures	32,804	11,944	31,406
Gain on sale of properties	585,685	127,700	234,653
Gain on land sales	12,917	10,458	7,445
Other operating expenses	(3,607)	(8,209)	(5,318)
Impairment charges	0	(5,626)	0
Non-incremental costs related to successful leases	(13,302)	(12,292)	(12,402)
General and administrative expenses	(69,554)	(62,404)	(60,889)
Other operating activities, net	544,943	61,571	194,895
Operating income	975,238	417,846	524,761
Other income (expenses):
Interest and other income, net	4,451	1,721	9,941
Interest expense	(84,843)	(93,442)	(89,756)
Loss on debt extinguishment	(17,901)	(32,900)	(6,320)
Gain on involuntary conversion	3,222	4,312	2,259
Income from continuing operations before income taxes	880,167	297,537	440,885
Income tax (expense) benefit	(18,549)	5,112	(8,686)
Income from continuing operations	861,618	302,649	432,199
Discontinued operations:
Gain on sale of properties	0	111	445
Income from discontinued operations	0	111	445
Net income	861,618	302,760	432,644
Net (income) loss attributable to noncontrolling interests	(369)	(182)	6
Net income attributable to common shareholders	$ 861,249	$ 302,578	$ 432,650
Basic net income per common share:
Continuing operations attributable to common shareholders/unitholders	$ 2.25	$ 0.81	$ 1.18
Total	2.25	0.81	1.18
Diluted net income per common share:
Continuing operations attributable to common shareholders/unitholders	2.25	0.80	1.18
Total	$ 2.25	$ 0.80	$ 1.18
Weighted average number of common shares/units outstanding	381,381	373,360	365,352
Weighted average number of common shares/units and potential dilutive securities	383,476	374,156	367,339
Comprehensive Income (Loss) [Abstract]
Net income	$ 861,618	$ 302,760	$ 432,644
Other comprehensive income (loss):
Unrealized losses on interest rate swap contracts	0	0	(30,893)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	3,557	3,468	533
Total other comprehensive income (loss)	3,557	3,468	(30,360)
Comprehensive income	$ 865,175	$ 306,228	$ 402,284