Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Rental and related revenue	$ 214,615	$ 208,646
General contractor and service fee revenue	52,820	55,820
Revenues, total	267,435	264,466
Expenses:
Rental expenses	36,124	42,041
Real estate taxes	30,779	29,203
General contractor and other services expenses	47,023	47,271
Depreciation and amortization	81,903	88,298
Costs and expenses, total	195,829	206,813
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	6,246	2,321
Gain on sale of properties	23,484	15,853
Gain on land sales	5,425	152
Other operating expenses	(1,557)	(2,216)
General and administrative expenses	(17,004)	(14,694)
Other Operating Activities, Net	16,594	1,416
Operating income	88,200	59,069
Other income (expenses):
Interest and other income, net	338	351
Interest expense	(49,610)	(49,261)
Acquisition-related activity	(28)	(14)
Income from continuing operations before income taxes	38,900	10,145
Income Tax Benefit (Expense)	(1,484)	(2,674)
Income (loss) from continuing operations	37,416	7,471
Discontinued operations:
Income (loss) before gain on sales	10,178	1,325
Gain on sale of depreciable properties, net of tax	18,375	16,775
Income (loss) from discontinued operations	28,553	18,100
Net income (loss)	65,969	25,571
Dividends on preferred shares/units	0	(7,037)
Adjustments for redemption of preferred shares/units	0	483
Net (income) loss attributable to noncontrolling interests	(725)	(334)
Net income (loss) attributable to common shareholders/unitholders	65,244	18,683
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.11	$ 0.00
Discontinued operations attributable to common shareholders/unitholders	$ 0.08	$ 0.06
Total	$ 0.19	$ 0.06
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.11	$ 0.00
Discontinued operations attributable to common shareholders/unitholders	$ 0.08	$ 0.06
Total	$ 0.19	$ 0.06
Weighted average number of common shares/units outstanding	344,597	327,106
Weighted average number of common shares/units and potential dilutive securities	348,653	331,716
Comprehensive income (loss):
Net income (loss)	65,969	25,571
Other comprehensive income:
Amortization of interest contracts	(287)	(287)
Total other comprehensive income	(287)	(287)
Comprehensive income (loss)	65,682	25,284
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	214,615	208,646
General contractor and service fee revenue	52,820	55,820
Revenues, total	267,435	264,466
Expenses:
Rental expenses	36,124	42,041
Real estate taxes	30,779	29,203
General contractor and other services expenses	47,023	47,271
Depreciation and amortization	81,903	88,298
Costs and expenses, total	195,829	206,813
Other operating activities:
Equity in earnings (loss) of unconsolidated companies	6,246	2,321
Gain on sale of properties	23,484	15,853
Gain on land sales	5,425	152
Other operating expenses	(1,557)	(2,216)
General and administrative expenses	(17,004)	(14,694)
Other Operating Activities, Net	16,594	1,416
Operating income	88,200	59,069
Other income (expenses):
Interest and other income, net	338	351
Interest expense	(49,610)	(49,261)
Acquisition-related activity	(28)	(14)
Income from continuing operations before income taxes	38,900	10,145
Income Tax Benefit (Expense)	(1,484)	(2,674)
Income (loss) from continuing operations	37,416	7,471
Discontinued operations:
Income (loss) before gain on sales	10,178	1,325
Gain on sale of depreciable properties, net of tax	18,375	16,775
Income (loss) from discontinued operations	28,553	18,100
Net income (loss)	65,969	25,571
Dividends on preferred shares/units	0	(7,037)
Adjustments for redemption of preferred shares/units	0	483
Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, NonRedeemable	(26)	(84)
Net income (loss) attributable to common shareholders/unitholders	65,943	18,933
Basic net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.11	$ 0.00
Discontinued operations attributable to common shareholders/unitholders	$ 0.08	$ 0.06
Total	$ 0.19	$ 0.06
Diluted net income (loss) per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.11	$ 0.00
Discontinued operations attributable to common shareholders/unitholders	$ 0.08	$ 0.06
Total	$ 0.19	$ 0.06
Weighted average number of common shares/units outstanding	348,292	331,493
Weighted average number of common shares/units and potential dilutive securities	348,653	331,716
Comprehensive income (loss):
Net income (loss)	65,969	25,571
Other comprehensive income:
Amortization of interest contracts	(287)	(287)
Total other comprehensive income	(287)	(287)
Comprehensive income (loss)	$ 65,682	$ 25,284