Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Rental and related revenue	$ 209,965	$ 193,456
General contractor and service fee revenue	54,964	41,101
Revenues, total	264,929	234,557
Expenses:
Rental expenses	20,668	19,913
Real estate taxes	32,442	31,146
General contractor and other services expenses	52,586	40,409
Depreciation and amortization	75,992	77,529
Costs and expenses, total	181,688	168,997
Other operating activities:
Equity in earnings of unconsolidated joint ventures	4,715	8,287
Gain on sale of properties	(163)	44,886
Gain on land sales	750	2,949
Other operating expenses	(2,123)	(1,269)
Non-incremental costs related to successful leases	(2,156)	0
General and administrative expenses	(21,983)	(21,023)
Other Operating Activities, Net	(20,960)	33,830
Operating income	62,281	99,390
Other income (expenses):
Interest and other income, net	2,758	4,463
Interest expense	(22,132)	(20,000)
Loss on debt extinguishment	(13)	0
Gain on involuntary conversion	2,259	0
Income from continuing operations before income taxes	45,153	83,853
Income tax expense	(385)	(10,329)
Income from continuing operations	44,768	73,524
Discontinued operations:
Income before gain on sales and income tax	0	(8)
Gain on sale of properties	155	132
Income from discontinued operations	155	124
Net income	44,923	73,648
Net income attributable to noncontrolling interests	(372)	(685)
Net income attributable to common shareholders	$ 44,551	$ 72,963
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.12	$ 0.20
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.12	$ 0.20
Weighted average number of common shares/units outstanding	359,139	356,740
Weighted average number of common shares/units and potential dilutive securities	362,362	360,400
Comprehensive income:
Net income	$ 44,923	$ 73,648
Other comprehensive loss:
Unrealized losses on interest rate swap contracts	(9,342)	0
Comprehensive income	35,581	73,648
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	209,965	193,456
General contractor and service fee revenue	54,964	41,101
Revenues, total	264,929	234,557
Expenses:
Rental expenses	20,668	19,913
Real estate taxes	32,442	31,146
General contractor and other services expenses	52,586	40,409
Depreciation and amortization	75,992	77,529
Costs and expenses, total	181,688	168,997
Other operating activities:
Equity in earnings of unconsolidated joint ventures	4,715	8,287
Gain on sale of properties	(163)	44,886
Gain on land sales	750	2,949
Other operating expenses	(2,123)	(1,269)
Non-incremental costs related to successful leases	(2,156)	0
General and administrative expenses	(21,983)	(21,023)
Other Operating Activities, Net	(20,960)	33,830
Operating income	62,281	99,390
Other income (expenses):
Interest and other income, net	2,758	4,463
Interest expense	(22,132)	(20,000)
Loss on debt extinguishment	(13)	0
Gain on involuntary conversion	2,259	0
Income from continuing operations before income taxes	45,153	83,853
Income tax expense	(385)	(10,329)
Income from continuing operations	44,768	73,524
Discontinued operations:
Income before gain on sales and income tax	0	(8)
Gain on sale of properties	155	132
Income from discontinued operations	155	124
Net income	44,923	73,648
Net (loss) income attributable to noncontrolling interests	10	(2)
Net income attributable to common shareholders	$ 44,933	$ 73,646
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.12	$ 0.20
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.12	$ 0.20
Weighted average number of common shares/units outstanding	362,204	360,095
Weighted average number of common shares/units and potential dilutive securities	362,362	360,400
Comprehensive income:
Net income	$ 44,923	$ 73,648
Other comprehensive loss:
Unrealized losses on interest rate swap contracts	(9,342)	0
Comprehensive income	$ 35,581	$ 73,648