Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Real Estate Assets	$ 6,608,594	$ 6,593,567
Construction in progress	441,484	401,407
Investments in and advances to unconsolidated joint ventures	121,576	126,487
Undeveloped land	259,842	226,987
Real estate investment property, at cost, total	7,431,496	7,348,448
Accumulated depreciation	(1,238,688)	(1,193,905)
Net real estate investments	6,192,808	6,154,543
Real estate investments and other assets held-for-sale	21,740	17,550
Cash and cash equivalents	160,861	67,562
Accounts receivable, net of allowance	21,939	19,427
Straight-line rent receivable, net of allowance	97,266	93,005
Receivables on construction contracts, including retentions	16,692	13,480
Deferred leasing and other costs, net of accumulated amortization	297,103	292,682
Restricted cash held in escrow for like-kind exchange	59,196	116,405
Notes receivable from property sales	386,789	426,657
Other escrow deposits and other assets	173,280	186,885
Total Assets	7,427,674	7,388,196
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	310,070	311,349
Unsecured debt, net of deferred financing costs	2,111,386	2,111,542
Unsecured line of credit	75,000	0
Long-term debt, total	2,496,456	2,422,891
Liabilities related to real estate investments held-for-sale	1,327	1,163
Construction payables and amounts due subcontractors, including retentions	53,339	54,545
Accrued real estate taxes	71,234	67,374
Accrued interest	27,166	17,911
Other liabilities	152,358	210,825
Tenant security deposits and prepaid rents	44,610	39,109
Total Liabilities	2,846,490	2,813,818
Equity
Common shares	3,570	3,564
Additional paid-in capital	5,204,855	5,205,316
Distributions in excess of net income	(674,920)	(676,036)
Total shareholders' equity	4,533,505	4,532,844
Noncontrolling interests	47,679	41,534
Total Equity	4,581,184	4,574,378
Total Liabilities and Equity	7,427,674	7,388,196
Duke Realty Limited Partnership [Member]
ASSETS
Real Estate Assets	6,608,594	6,593,567
Construction in progress	441,484	401,407
Investments in and advances to unconsolidated joint ventures	121,576	126,487
Undeveloped land	259,842	226,987
Real estate investment property, at cost, total	7,431,496	7,348,448
Accumulated depreciation	(1,238,688)	(1,193,905)
Net real estate investments	6,192,808	6,154,543
Real estate investments and other assets held-for-sale	21,740	17,550
Cash and cash equivalents	160,861	67,562
Accounts receivable, net of allowance	21,939	19,427
Straight-line rent receivable, net of allowance	97,266	93,005
Receivables on construction contracts, including retentions	16,692	13,480
Deferred leasing and other costs, net of accumulated amortization	297,103	292,682
Restricted cash held in escrow for like-kind exchange	59,196	116,405
Notes receivable from property sales	386,789	426,657
Other escrow deposits and other assets	173,280	186,885
Total Assets	7,427,674	7,388,196
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	310,070	311,349
Unsecured debt, net of deferred financing costs	2,111,386	2,111,542
Unsecured line of credit	75,000	0
Long-term debt, total	2,496,456	2,422,891
Liabilities related to real estate investments held-for-sale	1,327	1,163
Construction payables and amounts due subcontractors, including retentions	53,339	54,545
Accrued real estate taxes	71,234	67,374
Accrued interest	27,166	17,911
Other liabilities	152,358	210,825
Tenant security deposits and prepaid rents	44,610	39,109
Total Liabilities	2,846,490	2,813,818
Equity
Common equity	4,533,505	4,532,844
Limited Partners' common equity	46,706	40,563
Total partners' equity	4,580,211	4,573,407
Noncontrolling interests	973	971
Total Equity	4,581,184	4,574,378
Total Liabilities and Equity	$ 7,427,674	$ 7,388,196