Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ASSETS
Land and improvements	$ 1,371,457	$ 1,412,867
Buildings and tenant improvements	4,758,794	4,986,390
Construction in progress	337,173	246,062
Investments in and advances to unconsolidated companies	276,926	293,650
Undeveloped land	435,519	499,960
Real estate investment property, at cost, total	7,179,869	7,438,929
Accumulated depreciation	(1,202,585)	(1,235,337)
Net real estate investments	5,977,284	6,203,592
Real estate investments and other assets held-for-sale	8,920	725,051
Cash and cash equivalents	175,874	17,922
Accounts receivable, net of allowance	20,985	26,168
Straight-line rent receivable, net of allowance	116,639	109,657
Receivables on construction contracts, including retentions	24,822	36,224
Deferred financing costs, net of accumulated amortization	30,428	38,734
Deferred leasing and other costs, net of accumulated amortization	359,652	387,635
Escrow deposits and other assets	425,305	209,856
Total Assets	7,139,909	7,754,839
LIABILITIES AND EQUITY
Secured debt	764,707	942,478
Unsecured debt	2,681,313	3,364,161
Unsecured line of credit	0	106,000
Long-term debt, total	3,446,020	4,412,639
Liabilities related to real estate investments held-for-sale	225	59,092
Construction payables and amounts due subcontractors, including retentions	66,709	69,470
Accrued real estate taxes	91,252	76,308
Accrued interest	31,330	55,110
Other accrued expenses	42,489	62,632
Other liabilities	110,611	95,566
Tenant security deposits and prepaid rents	39,830	44,142
Total Liabilities	3,828,466	4,874,959
Equity
Common shares	3,453	3,441
Additional paid-in capital	4,959,060	4,944,800
Accumulated other comprehensive income	2,066	3,026
Distributions in excess of net income	(1,677,314)	(2,090,942)
Total shareholders' equity	3,287,265	2,860,325
Noncontrolling interests	24,178	19,555
Total Equity	3,311,443	2,879,880
Total Liabilities and Equity	7,139,909	7,754,839
Duke Realty Limited Partnership [Member]
ASSETS
Land and improvements	1,371,457	1,412,867
Buildings and tenant improvements	4,758,794	4,986,390
Construction in progress	337,173	246,062
Investments in and advances to unconsolidated companies	276,926	293,650
Undeveloped land	435,519	499,960
Real estate investment property, at cost, total	7,179,869	7,438,929
Accumulated depreciation	(1,202,585)	(1,235,337)
Net real estate investments	5,977,284	6,203,592
Real estate investments and other assets held-for-sale	8,920	725,051
Cash and cash equivalents	175,874	17,922
Accounts receivable, net of allowance	20,985	26,168
Straight-line rent receivable, net of allowance	116,639	109,657
Receivables on construction contracts, including retentions	24,822	36,224
Deferred financing costs, net of accumulated amortization	30,428	38,734
Deferred leasing and other costs, net of accumulated amortization	359,652	387,635
Escrow deposits and other assets	425,305	209,856
Total Assets	7,139,909	7,754,839
LIABILITIES AND EQUITY
Secured debt	764,707	942,478
Unsecured debt	2,681,313	3,364,161
Unsecured line of credit	0	106,000
Long-term debt, total	3,446,020	4,412,639
Liabilities related to real estate investments held-for-sale	225	59,092
Construction payables and amounts due subcontractors, including retentions	66,709	69,470
Accrued real estate taxes	91,252	76,308
Accrued interest	31,330	55,110
Other accrued expenses	42,489	62,812
Other liabilities	110,611	95,566
Tenant security deposits and prepaid rents	39,830	44,142
Total Liabilities	3,828,466	4,875,139
Equity
Common equity	3,285,199	2,857,119
General Partners' equity	3,285,199	2,857,119
Limited Partners' common equity	21,395	17,289
Accumulated other comprehensive income	2,066	3,026
Total partners' equity	3,308,660	2,877,434
Noncontrolling interests	2,783	2,266
Total Equity	3,311,443	2,879,700
Total Liabilities and Equity	$ 7,139,909	$ 7,754,839