Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
ASSETS
Real Estate Assets	$ 8,693,665	$ 8,745,155
Construction in progress	913,241	695,219
Investments in and advances to unconsolidated joint ventures	122,875	131,898
Undeveloped land	335,222	291,614
Real estate investment property, at cost, total	10,065,003	9,863,886
Accumulated depreciation	(1,612,490)	(1,659,308)
Net real estate investments	8,452,513	8,204,578
Real estate investments and other assets held-for-sale	435,606	67,946
Cash and cash equivalents	8,252	6,309
Accounts receivable	12,103	15,204
Straight-line rent receivable	155,124	153,943
Receivables on construction contracts, including retentions	59,285	30,583
Deferred leasing and other costs, net of accumulated amortization	330,083	329,765
Restricted cash held in escrow for like kind exchange	2,802	47,682
Other escrow deposits and other assets	388,392	255,384
Total Assets	9,844,160	9,111,394
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	61,926	64,074
Unsecured debt, net of deferred financing costs	3,387,226	3,025,977
Unsecured line of credit	265,000	295,000
Long-term debt, total	3,714,152	3,385,051
Liabilities related to real estate investments held-for-sale	23,939	7,740
Construction payables and amounts due subcontractors, including retentions	128,406	62,332
Accrued real estate taxes	80,634	76,501
Accrued interest	20,726	18,363
Other liabilities	302,100	269,806
Tenant security deposits and prepaid rents	59,294	57,153
Total Liabilities	4,329,251	3,876,946
Equity
Common shares	3,780	3,733
Additional paid-in capital	5,920,931	5,723,326
Accumulated Other Comprehensive Loss	(29,789)	(31,568)
Distributions in excess of net income	(469,076)	(532,519)
Total shareholders' equity	5,425,846	5,162,972
Noncontrolling interests	89,063	71,476
Total Equity	5,514,909	5,234,448
Total Liabilities and Equity	9,844,160	9,111,394
Duke Realty Limited Partnership [Member]
ASSETS
Real Estate Assets	8,693,665	8,745,155
Construction in progress	913,241	695,219
Investments in and advances to unconsolidated joint ventures	122,875	131,898
Undeveloped land	335,222	291,614
Real estate investment property, at cost, total	10,065,003	9,863,886
Accumulated depreciation	(1,612,490)	(1,659,308)
Net real estate investments	8,452,513	8,204,578
Real estate investments and other assets held-for-sale	435,606	67,946
Cash and cash equivalents	8,252	6,309
Accounts receivable	12,103	15,204
Straight-line rent receivable	155,124	153,943
Receivables on construction contracts, including retentions	59,285	30,583
Deferred leasing and other costs, net of accumulated amortization	330,083	329,765
Restricted cash held in escrow for like kind exchange	2,802	47,682
Other escrow deposits and other assets	388,392	255,384
Total Assets	9,844,160	9,111,394
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	61,926	64,074
Unsecured debt, net of deferred financing costs	3,387,226	3,025,977
Unsecured line of credit	265,000	295,000
Long-term debt, total	3,714,152	3,385,051
Liabilities related to real estate investments held-for-sale	23,939	7,740
Construction payables and amounts due subcontractors, including retentions	128,406	62,332
Accrued real estate taxes	80,634	76,501
Accrued interest	20,726	18,363
Other liabilities	302,100	269,806
Tenant security deposits and prepaid rents	59,294	57,153
Total Liabilities	4,329,251	3,876,946
Equity
Common equity	5,455,635	5,194,540
Limited Partners' common equity	84,494	66,874
Accumulated Other Comprehensive Loss	(29,789)	(31,568)
Total partners' equity	5,510,340	5,229,846
Noncontrolling interests	4,569	4,602
Total Equity	5,514,909	5,234,448
Total Liabilities and Equity	$ 9,844,160	$ 9,111,394