Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Rental and related revenue	$ 217,915	$ 201,803
General contractor and service fee revenue	9,399	23,151
Revenues, total	227,314	224,954
Expenses:
Rental expenses	25,271	29,278
Real estate taxes	32,473	29,627
General contractor and other services expenses	7,624	20,920
Depreciation and amortization	81,557	77,798
Costs and expenses, total	146,925	157,623
Other operating activities:
Equity in earnings of unconsolidated companies	4,749	21,860
Gain on sale of properties	37,046	15,577
Gain on land sales	1,505	130
Other operating expenses	(738)	(1,237)
Impairment charges	(859)	(6,405)
General and administrative expenses	(19,232)	(18,098)
Other Operating Activities, Net	22,471	11,827
Operating income	102,860	79,158
Other income (expenses):
Interest and other income, net	533	2,523
Interest expense	(30,505)	(37,730)
Gain on debt extinguishment	25	0
Acquisition-related activity	0	(3)
Income from continuing operations before income taxes	72,913	43,948
Income tax expense	(2,132)	(343)
Income from continuing operations	70,781	43,605
Discontinued operations:
Income before gain on sales	0	237
Gain on sale of depreciable properties, net of tax	0	(86)
Income from discontinued operations	0	151
Net income	70,781	43,756
Net income attributable to noncontrolling interests	(581)	(449)
Net income attributable to common shareholders	$ 70,200	$ 43,307
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.20	$ 0.12
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.20	$ 0.12
Weighted average number of common shares/units outstanding	355,282	345,665
Weighted average number of common shares/units and potential dilutive securities	360,700	349,674
Comprehensive income:
Net income	$ 70,781	$ 43,756
Other comprehensive loss:
Amortization of interest contracts	(256)	(295)
Comprehensive income	70,525	43,461
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	217,915	201,803
General contractor and service fee revenue	9,399	23,151
Revenues, total	227,314	224,954
Expenses:
Rental expenses	25,271	29,278
Real estate taxes	32,473	29,627
General contractor and other services expenses	7,624	20,920
Depreciation and amortization	81,557	77,798
Costs and expenses, total	146,925	157,623
Other operating activities:
Equity in earnings of unconsolidated companies	4,749	21,860
Gain on sale of properties	37,046	15,577
Gain on land sales	1,505	130
Other operating expenses	(738)	(1,237)
Impairment charges	(859)	(6,405)
General and administrative expenses	(19,232)	(18,098)
Other Operating Activities, Net	22,471	11,827
Operating income	102,860	79,158
Other income (expenses):
Interest and other income, net	533	2,523
Interest expense	(30,505)	(37,730)
Gain on debt extinguishment	25	0
Acquisition-related activity	0	(3)
Income from continuing operations before income taxes	72,913	43,948
Income tax expense	(2,132)	(343)
Income from continuing operations	70,781	43,605
Discontinued operations:
Income before gain on sales	0	237
Gain on sale of depreciable properties, net of tax	0	(86)
Income from discontinued operations	0	151
Net income	70,781	43,756
Net loss (income) attributable to noncontrolling interests	71	(11)
Net income attributable to common shareholders	$ 70,852	$ 43,745
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.20	$ 0.12
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.20	$ 0.12
Weighted average number of common shares/units outstanding	358,598	349,163
Weighted average number of common shares/units and potential dilutive securities	360,700	349,674
Comprehensive income:
Net income	$ 70,781	$ 43,756
Other comprehensive loss:
Amortization of interest contracts	(256)	(295)
Comprehensive income	$ 70,525	$ 43,461