Consolidated Balance Sheets Consolidated Balance Sheet (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts receivable, allowance	$ 2,742	$ 1,576
Straight-line rent receivable, allowance	8,405	9,350
Deferred finance costs, accumulated amortization	38,863	37,016
Deferred leasing and other costs, accumulated amortization	259,883	394,049
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, shares authorized	5,000,000	5,000,000
Preferred shares, shares issued	0	1,791,000
Preferred Stock, Shares Outstanding	0	1,791,000
Common shares, par value	$ 0.01	$ 0.01
Common shares, shares authorized	600,000,000	400,000,000
Common shares, shares issued	344,112,000	326,399,000
Common shares, shares outstanding	344,112,000	326,399,000
Duke Realty Limited Partnership [Member]
Accounts receivable, allowance	2,742	1,576
Straight-line rent receivable, allowance	8,405	9,350
Deferred finance costs, accumulated amortization	38,863	37,016
Deferred leasing and other costs, accumulated amortization	$ 259,883	$ 394,049
Common equity, General Partner Units issued	344,112,000	326,399,000
Common equity, General Partner Units outstanding	344,112,000	326,399,000
Preferred Units, Issued	0	1,791,000
Preferred Units, Outstanding	0	1,791,000
Limited Partner Units issued	3,717,000	4,387,000
Limited Partner Units outstanding	3,717,000	4,387,000