Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
ASSETS
Land and improvements	$ 1,423,977	$ 1,391,763
Buildings and tenant improvements	4,777,883	4,740,837
Construction in progress	352,108	321,062
Investments in and advances to unconsolidated companies	277,869	268,390
Undeveloped land	344,388	383,045
Real estate investment property, at cost, total	7,176,225	7,105,097
Accumulated depreciation	(1,234,634)	(1,192,425)
Net real estate investments	5,941,591	5,912,672
Real estate investments and other assets held-for-sale	64,161	45,801
Cash and cash equivalents	15,640	22,533
Accounts receivable, net of allowance	20,004	18,846
Straight-line rent receivable, net of allowance	118,667	116,781
Receivables on construction contracts, including retentions	16,623	16,459
Deferred leasing and other costs, net of accumulated amortization	339,871	346,374
Escrow deposits and other assets	380,403	416,049
Total Assets	6,896,960	6,895,515
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	722,069	738,444
Unsecured debt, net of deferred financing costs	2,510,991	2,510,697
Unsecured line of credit	148,000	71,000
Long-term debt, total	3,381,060	3,320,141
Liabilities related to real estate investments held-for-sale	1,388	972
Construction payables and amounts due subcontractors, including retentions	55,121	54,921
Accrued real estate taxes	71,197	71,617
Accrued interest	30,591	34,447
Other accrued expenses	31,649	61,827
Other liabilities	99,303	106,283
Tenant security deposits and prepaid rents	36,534	40,506
Total Liabilities	3,706,843	3,690,714
Equity
Common shares	3,459	3,453
Additional paid-in capital	4,965,226	4,961,923
Accumulated other comprehensive income	1,511	1,806
Distributions in excess of net income	(1,804,765)	(1,785,250)
Total shareholders' equity	3,165,431	3,181,932
Noncontrolling interests	24,686	22,869
Total Equity	3,190,117	3,204,801
Total Liabilities and Equity	6,896,960	6,895,515
Duke Realty Limited Partnership [Member]
ASSETS
Land and improvements	1,423,977	1,391,763
Buildings and tenant improvements	4,777,883	4,740,837
Construction in progress	352,108	321,062
Investments in and advances to unconsolidated companies	277,869	268,390
Undeveloped land	344,388	383,045
Real estate investment property, at cost, total	7,176,225	7,105,097
Accumulated depreciation	(1,234,634)	(1,192,425)
Net real estate investments	5,941,591	5,912,672
Real estate investments and other assets held-for-sale	64,161	45,801
Cash and cash equivalents	15,640	22,533
Accounts receivable, net of allowance	20,004	18,846
Straight-line rent receivable, net of allowance	118,667	116,781
Receivables on construction contracts, including retentions	16,623	16,459
Deferred leasing and other costs, net of accumulated amortization	339,871	346,374
Escrow deposits and other assets	380,403	416,049
Total Assets	6,896,960	6,895,515
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	722,069	738,444
Unsecured debt, net of deferred financing costs	2,510,991	2,510,697
Unsecured line of credit	148,000	71,000
Long-term debt, total	3,381,060	3,320,141
Liabilities related to real estate investments held-for-sale	1,388	972
Construction payables and amounts due subcontractors, including retentions	55,121	54,921
Accrued real estate taxes	71,197	71,617
Accrued interest	30,591	34,447
Other accrued expenses	31,649	61,827
Other liabilities	99,303	106,283
Tenant security deposits and prepaid rents	36,534	40,506
Total Liabilities	3,706,843	3,690,714
Equity
Common equity	3,163,920	3,180,126
General Partners' equity	3,163,920	3,180,126
Limited Partners' common equity	21,841	20,032
Accumulated other comprehensive income	1,511	1,806
Total partners' equity	3,187,272	3,201,964
Noncontrolling interests	2,845	2,837
Total Equity	3,190,117	3,204,801
Total Liabilities and Equity	$ 6,896,960	$ 6,895,515