Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Real Estate Assets	$ 6,943,629	$ 6,593,567
Construction in progress	515,324	401,407
Investments in and advances to unconsolidated joint ventures	107,811	126,487
Undeveloped land	314,075	226,987
Real estate investment property, at cost, total	7,880,839	7,348,448
Accumulated depreciation	(1,294,370)	(1,193,905)
Net real estate investments	6,586,469	6,154,543
Real estate investments and other assets held-for-sale	53,653	17,550
Cash and cash equivalents	133,405	67,562
Accounts receivable, net of allowance	19,494	19,427
Straight-line rent receivable, net of allowance	102,480	93,005
Receivables on construction contracts, including retentions	33,699	13,480
Deferred leasing and other costs, net of accumulated amortization	305,143	292,682
Restricted cash held in escrow for like-kind exchange	127,597	116,405
Notes receivable from property sales	276,744	426,657
Other escrow deposits and other assets	186,126	186,885
Total Assets	7,824,810	7,388,196
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	80,716	311,349
Unsecured debt, net of deferred financing costs	2,553,460	2,111,542
Long-term debt, total	2,634,176	2,422,891
Liabilities related to real estate investments held-for-sale	606	1,163
Construction payables and amounts due subcontractors, including retentions	100,323	54,545
Accrued real estate taxes	89,671	67,374
Accrued interest	27,463	17,911
Other liabilities	208,874	210,825
Tenant security deposits and prepaid rents	38,773	39,109
Total Liabilities	3,099,886	2,813,818
Equity
Common shares	3,583	3,564
Additional paid-in capital	5,240,495	5,205,316
Distributions in excess of net income	(571,617)	(676,036)
Total shareholders' equity	4,672,461	4,532,844
Noncontrolling interests	52,463	41,534
Total Equity	4,724,924	4,574,378
Total Liabilities and Equity	7,824,810	7,388,196
Duke Realty Limited Partnership [Member]
ASSETS
Real Estate Assets	6,943,629	6,593,567
Construction in progress	515,324	401,407
Investments in and advances to unconsolidated joint ventures	107,811	126,487
Undeveloped land	314,075	226,987
Real estate investment property, at cost, total	7,880,839	7,348,448
Accumulated depreciation	(1,294,370)	(1,193,905)
Net real estate investments	6,586,469	6,154,543
Real estate investments and other assets held-for-sale	53,653	17,550
Cash and cash equivalents	133,405	67,562
Accounts receivable, net of allowance	19,494	19,427
Straight-line rent receivable, net of allowance	102,480	93,005
Receivables on construction contracts, including retentions	33,699	13,480
Deferred leasing and other costs, net of accumulated amortization	305,143	292,682
Restricted cash held in escrow for like-kind exchange	127,597	116,405
Notes receivable from property sales	276,744	426,657
Other escrow deposits and other assets	186,126	186,885
Total Assets	7,824,810	7,388,196
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	80,716	311,349
Unsecured debt, net of deferred financing costs	2,553,460	2,111,542
Long-term debt, total	2,634,176	2,422,891
Liabilities related to real estate investments held-for-sale	606	1,163
Construction payables and amounts due subcontractors, including retentions	100,323	54,545
Accrued real estate taxes	89,671	67,374
Accrued interest	27,463	17,911
Other liabilities	208,874	210,825
Tenant security deposits and prepaid rents	38,773	39,109
Total Liabilities	3,099,886	2,813,818
Equity
Common equity	4,672,461	4,532,844
Limited Partners' common equity	48,010	40,563
Total partners' equity	4,720,471	4,573,407
Noncontrolling interests	4,453	971
Total Equity	4,724,924	4,574,378
Total Liabilities and Equity	$ 7,824,810	$ 7,388,196