Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Rental and related revenue	$ 280,145	$ 253,971	$ 555,359	$ 512,150
General contractor and service fee revenue	5,143	17,721	8,092	48,834
Revenues, total	285,288	271,692	563,451	560,984
Expenses:
Rental expenses	21,240	18,515	46,526	46,645
Real estate taxes	43,728	41,368	87,656	82,538
General contractor and other services expenses	3,730	14,066	5,199	43,529
Depreciation and amortization	93,944	91,729	187,945	185,302
Costs and expenses, total	162,642	165,678	327,326	358,014
Other operating activities:
Equity in earnings of unconsolidated joint ventures	5,565	10,590	9,380	26,858
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	24,832	95,183	235,579	116,543
Earnings from sales of land	2,025	9,900	3,117	11,138
Other Operating Income (Expense), Net	(531)	(338)	(1,310)	(1,483)
Impairment charges	(1,563)	0	(1,563)	0
Expense impact of costs attributable to successful leasing activities	(3,502)	(4,027)	(9,014)	(6,985)
General and administrative expenses	(27,496)	(15,879)	(51,409)	(40,096)
Other Operating Activities, Net	(670)	95,429	184,780	105,975
Operating income	121,976	201,443	420,905	308,945
Other income (expenses):
Interest and other income, net	939	1,673	1,764	2,136
Interest expense	(18,734)	(21,072)	(38,733)	(43,579)
Loss on debt extinguishment	0	(3,938)	(21,948)	(4,008)
Gain on involuntary conversion	0	3,222	0	3,222
Income before income taxes	104,181	181,328	361,988	266,716
Income tax expense	(493)	(3,672)	(6,823)	(8,856)
Net income	103,688	177,656	355,165	257,860
Net income attributable to noncontrolling interests	(1,218)	(1,839)	(3,774)	(2,681)
Net income attributable to common shareholders	$ 102,470	$ 175,817	$ 351,391	$ 255,179
Weighted average number of common shares/units outstanding	384,519	376,020	383,619	374,850
Weighted average number of common shares/units and potential dilutive securities	389,199	381,621	389,265	380,334
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.27	$ 0.47	$ 0.91	$ 0.68
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.27	$ 0.47	$ 0.91	$ 0.68
Comprehensive income:
Net income	$ 103,688	$ 177,656	$ 355,165	$ 257,860
Amortization of interest rate swap contracts	889	890	1,778	1,779
Comprehensive income	104,577	178,546	356,943	259,639
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	280,145	253,971	555,359	512,150
General contractor and service fee revenue	5,143	17,721	8,092	48,834
Revenues, total	285,288	271,692	563,451	560,984
Expenses:
Rental expenses	21,240	18,515	46,526	46,645
Real estate taxes	43,728	41,368	87,656	82,538
General contractor and other services expenses	3,730	14,066	5,199	43,529
Depreciation and amortization	93,944	91,729	187,945	185,302
Costs and expenses, total	162,642	165,678	327,326	358,014
Other operating activities:
Equity in earnings of unconsolidated joint ventures	5,565	10,590	9,380	26,858
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	24,832	95,183	235,579	116,543
Earnings from sales of land	2,025	9,900	3,117	11,138
Other Operating Income (Expense), Net	(531)	(338)	(1,310)	(1,483)
Impairment charges	(1,563)	0	(1,563)	0
Expense impact of costs attributable to successful leasing activities	(3,502)	(4,027)	(9,014)	(6,985)
General and administrative expenses	(27,496)	(15,879)	(51,409)	(40,096)
Other Operating Activities, Net	(670)	95,429	184,780	105,975
Operating income	121,976	201,443	420,905	308,945
Other income (expenses):
Interest and other income, net	939	1,673	1,764	2,136
Interest expense	(18,734)	(21,072)	(38,733)	(43,579)
Loss on debt extinguishment	0	(3,938)	(21,948)	(4,008)
Gain on involuntary conversion	0	3,222	0	3,222
Income before income taxes	104,181	181,328	361,988	266,716
Income tax expense	(493)	(3,672)	(6,823)	(8,856)
Net income	103,688	177,656	355,165	257,860
Net income attributable to noncontrolling interests	(90)	(101)	(183)	(182)
Net income attributable to common shareholders	$ 103,598	$ 177,555	$ 354,982	$ 257,678
Weighted average number of common shares/units outstanding	388,541	379,790	387,534	378,523
Weighted average number of common shares/units and potential dilutive securities	389,199	381,621	389,265	380,334
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.27	$ 0.47	$ 0.91	$ 0.68
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.27	$ 0.47	$ 0.91	$ 0.68
Comprehensive income:
Net income	$ 103,688	$ 177,656	$ 355,165	$ 257,860
Amortization of interest rate swap contracts	889	890	1,778	1,779
Comprehensive income	$ 104,577	$ 178,546	$ 356,943	$ 259,639