Net Income (Loss) Per Common Share Reconciling the Components of Basic and Diluted Net Income (Loss) per Common Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to common shareholders	$ 248,921	$ 79,362
Less: dividends on participating securities	(327)	(371)
Basic net income attributable to common shareholders	248,594	78,991
Add back dividends on dilutive participating securities	327	0
Noncontrolling interest in earnings of common unitholders	2,463	761
Diluted net income attributable to common shareholders	$ 251,384	$ 79,752
Weighted average number of common shares/units outstanding, Basic	382,708	373,667
Weighted average Limited Partner Units outstanding	3,808	3,575
Other potential dilutive shares/units	1,421	502
Weighted average number of common shares/units and potential dilutive securities	387,937	377,744
Duke Realty Limited Partnership [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to common shareholders	$ 251,384	$ 80,123
Less: dividends on participating securities	(327)	(371)
Basic net income attributable to common unitholders	251,057	79,752
Add back dividends on dilutive participating securities	327	0
Diluted net income attributable to common unitholders	$ 251,384	$ 79,752
Weighted average number of common shares/units outstanding, Basic	386,516	377,242
Other potential dilutive shares/units	1,421	502
Weighted average number of common shares/units and potential dilutive securities	387,937	377,744