10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2019

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from              to             

Commission File Number: 1-9044 (Duke Realty Corporation) 0-20625 (Duke Realty Limited Partnership)

DUKE REALTY CORPORATION

DUKE REALTY LIMITED PARTNERSHIP

(Exact Name of Registrant as Specified in Its Charter)

Indiana	(Duke Realty Corporation)		35-1740409	(Duke Realty Corporation)
Indiana	(Duke Realty Limited Partnership)		35-1898425	(Duke Realty Limited Partnership)
(State or Other Jurisdiction of Incorporation or Organization)			(I.R.S. Employer Identification Number)
600 East 96th Street, Suite 100
Indianapolis,		Indiana	46240
(Address of Principal Executive Offices)			(Zip Code)

Registrant's Telephone Number, Including Area Code:

(317) 808-6000

Securities registered pursuant to Section 12(b) of the Act:

	Title of Class	Trading Symbols	Name of Exchange on Which Registered
Duke Realty Corporation	Common Stock, $0.01 par value	DRE	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Duke Realty Corporation Yes ☒  No   ☐ Duke Realty Limited Partnership Yes ☒  No   ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Duke Realty Corporation Yes ☒  No   ☐ Duke Realty Limited Partnership Yes ☒  No   ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Duke Realty Corporation:

Large accelerated filer ☒ Accelerated filer  ☐ Non-accelerated filer  ☐ Smaller reporting company  ☐ Emerging growth company ☐

Duke Realty Limited Partnership:

Large accelerated filer   ☐
Accelerated filer  ☐ Non-accelerated filer  ☒ Smaller reporting company  ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act):

Duke Realty Corporation Yes ☐ No  ☒ Duke Realty Limited Partnership Yes  ☐ No  ☒

The number of shares of Duke Realty Corporation's common stock outstanding at October 30, 2019 was 367,570,672.

EXPLANATORY NOTE

This report (the "Report") combines the quarterly reports on Form 10-Q for the period ended September 30, 2019 of both Duke Realty Corporation and Duke Realty Limited Partnership. Unless stated otherwise or the context otherwise requires, references to "Duke Realty Corporation" or the "General Partner" mean Duke Realty Corporation and its consolidated subsidiaries, and references to the "Partnership" mean Duke Realty Limited Partnership and its consolidated subsidiaries. The terms the "Company," "we," "us" and "our" refer to the General Partner and the Partnership, collectively, and those entities owned or controlled by the General Partner and/or the Partnership.

Duke Realty Corporation is a self-administered and self-managed real estate investment trust ("REIT") and is the sole general partner of the Partnership, owning approximately 99.1% of the common partnership interests of the Partnership ("General Partner Units") as of September 30, 2019. The remaining 0.9% of the common partnership interests ("Limited Partner Units" and, together with the General Partner Units, the "Common Units") are owned by limited partners. As the sole general partner of the Partnership, the General Partner has full, exclusive and complete responsibility and discretion in the day-to-day management and control of the Partnership.

The General Partner and the Partnership are operated as one enterprise. The management of the General Partner consists of the same members as the management of the Partnership. As the sole general partner with control of the Partnership, the General Partner consolidates the Partnership for financial reporting purposes, and the General Partner does not have any significant assets other than its investment in the Partnership. Therefore, the assets and liabilities of the General Partner and the Partnership are substantially the same.

We believe combining the quarterly reports on Form 10-Q of the General Partner and the Partnership into this single report results in the following benefits:

• enhances investors' understanding of the General Partner and the Partnership by enabling investors to view the business as a whole in the same manner as management views and operates the business;

• eliminates duplicative disclosure and provides a more streamlined and readable presentation of information since a substantial portion of the Company's disclosure applies to both the General Partner and the Partnership; and

• creates time and cost efficiencies through the preparation of one combined report instead of two separate reports.

We believe it is important to understand the few differences between the General Partner and the Partnership in the context of how we operate as an interrelated consolidated company. The General Partner's only material asset is its ownership of partnership interests in the Partnership. As a result, the General Partner does not conduct business itself, other than acting as the sole general partner of the Partnership and issuing public equity from time to time. The General Partner does not issue any indebtedness, but does guarantee some of the unsecured debt of the Partnership. The Partnership holds substantially all the assets of the business, directly or indirectly, and holds the ownership interests related to certain of the Company's investments. The Partnership conducts the operations of the business and has no publicly traded equity. Except for net proceeds from equity issuances by the General Partner, which are contributed to the Partnership in exchange for General Partner Units or Preferred Units, the Partnership generates the capital required by the business through its operations, its incurrence of indebtedness and the issuance of Limited Partner Units to third parties.

Noncontrolling interests, shareholders' equity and partners' capital are the main areas of difference between the consolidated financial statements of the General Partner and those of the Partnership. The noncontrolling interests in the Partnership's financial statements include the interests in consolidated investees not wholly owned by the Partnership. The noncontrolling interests in the General Partner's financial statements include the same noncontrolling interests at the Partnership level, as well as the common limited partnership interests in the Partnership, which are accounted for as partners' capital by the Partnership.

In order to highlight the differences between the General Partner and the Partnership, there are separate sections in this report, as applicable, that separately discuss the General Partner and the Partnership, including separate financial statements and separate Exhibit 31 and 32 certifications. In the sections that combine disclosure of the General Partner and the Partnership, this report refers to actions or holdings as being actions or holdings of the collective Company.

DUKE REALTY CORPORATION/DUKE REALTY LIMITED PARTNERSHIP

INDEX

			Page
Part I - Financial Information
Item 1.		Financial Statements
	Duke Realty Corporation:
		Consolidated Balance Sheets - September 30, 2019 (Unaudited) and December 31, 2018	3
		Consolidated Statements of Operations and Comprehensive Income (Unaudited) - Three and Nine Months Ended September 30, 2019 and 2018	4
		Consolidated Statements of Cash Flows (Unaudited) - Nine Months Ended September 30, 2019 and 2018	5
		Consolidated Statements of Changes in Equity (Unaudited) - Three and Nine Months Ended September 30, 2019 and 2018	6
	Duke Realty Limited Partnership:
		Consolidated Balance Sheets - September 30, 2019 (Unaudited) and December 31, 2018	7
		Consolidated Statements of Operations and Comprehensive Income (Unaudited) - Three and Nine Months Ended September 30, 2019 and 2018	8
		Consolidated Statements of Cash Flows (Unaudited) - Nine Months Ended September 30, 2019 and 2018	9
		Consolidated Statements of Changes in Equity (Unaudited) - Three and Nine Months Ended September 30, 2019 and 2018	10
	Duke Realty Corporation and Duke Realty Limited Partnership:
		Notes to Consolidated Financial Statements (Unaudited)	11
Item 2.		Management's Discussion and Analysis of Financial Condition and Results of Operations	26
Item 3.		Quantitative and Qualitative Disclosures About Market Risk	48
Item 4.		Controls and Procedures	50
Part II - Other Information
Item 1.		Legal Proceedings	52
Item 1A.		Risk Factors	52
Item 2.		Unregistered Sales of Equity Securities and Use of Proceeds	52
Item 3.		Defaults Upon Senior Securities	52
Item 4.		Mine Safety Disclosures	52
Item 5.		Other Information	52
Item 6.		Exhibits	52

2

PART I - FINANCIAL INFORMATION

Item 1. Financial Statements

DUKE REALTY CORPORATION AND SUBSIDIARIES

Consolidated Balance Sheets

(in thousands, except per share amounts)

	September 30, 2019			December 31, 2018
	(Unaudited)
ASSETS
Real estate investments:
Real estate assets	$	7,691,643		$	7,248,346
Construction in progress	469,218			477,162
Investments in and advances to unconsolidated joint ventures	110,815			110,795
Undeveloped land	307,973			360,816
	8,579,649			8,197,119
Accumulated depreciation	(1,427,180		)	(1,344,176		)
Net real estate investments	7,152,469			6,852,943
Real estate investments and other assets held-for-sale	23,739			1,082
Cash and cash equivalents	121,233			17,901
Accounts receivable	20,449			14,254
Straight-line rent receivable	123,689			109,334
Receivables on construction contracts, including retentions	24,186			41,215
Deferred leasing and other costs, net of accumulated amortization of $196,817 and $200,744	315,579			313,799
Restricted cash held in escrow for like-kind exchange	119,240			—
Notes receivable from property sales	127,550			272,550
Other escrow deposits and other assets	234,820			180,946
	$	8,262,954		$	7,804,024
LIABILITIES AND EQUITY
Indebtedness:
Secured debt, net of deferred financing costs of $175 and $238	$	34,896		$	79,563
Unsecured debt, net of deferred financing costs of $17,314 and $26,062	2,732,686			2,548,938
Unsecured line of credit	—			30,000
	2,767,582			2,658,501
Liabilities related to real estate investments held-for-sale	2,515			—
Construction payables and amounts due subcontractors, including retentions	70,310			92,288
Accrued real estate taxes	85,684			73,358
Accrued interest	28,680			16,153
Other liabilities	242,744			205,433
Tenant security deposits and prepaid rents	44,167			45,048
Total liabilities	3,241,682			3,090,781
Shareholders' equity:
Common shares ($0.01 par value); 600,000 shares authorized; 366,295 and 358,851 shares issued and outstanding, respectively	3,663			3,589
Additional paid-in capital	5,472,510			5,244,375
Accumulated other comprehensive loss	(42,104		)	(4,676		)
Distributions in excess of net income	(476,136		)	(585,087		)
Total shareholders' equity	4,957,933			4,658,201
Noncontrolling interests	63,339			55,042
Total equity	5,021,272			4,713,243
	$	8,262,954		$	7,804,024

See accompanying Notes to Consolidated Financial Statements

3

DUKE REALTY CORPORATION AND SUBSIDIARIES

Consolidated Statements of Operations and Comprehensive Income

For the three and nine months ended September 30,

(in thousands, except per share amounts)

(Unaudited)

	Three Months Ended						Nine Months Ended
	2019			2018			2019			2018
Revenues:
Rental and related revenue	$	215,374		$	196,912		$	638,446		$	582,461
General contractor and service fee revenue	25,955			34,986			104,838			94,552
	241,329			231,898			743,284			677,013
Expenses:
Rental expenses	19,158			17,268			57,423			53,558
Real estate taxes	31,739			31,515			96,556			93,857
General contractor and other services expenses	23,640			33,730			99,415			89,392
Depreciation and amortization	83,924			78,855			242,920			232,216
	158,461			161,368			496,314			469,023
Other operating activities:
Equity in earnings of unconsolidated joint ventures	3,736			5,552			12,594			15,521
Gain on sale of properties	173,646			(107		)	204,075			194,741
Gain on land sales	3,869			3,915			6,569			7,221
Other operating expenses	(874		)	(1,104		)	(4,515		)	(3,902		)
Non-incremental costs related to successful leases	(1,123		)	—			(6,726		)	—
General and administrative expenses	(13,720		)	(8,959		)	(49,123		)	(43,441		)
	165,534			(703		)	162,874			170,140
Operating income	248,402			69,827			409,844			378,130
Other income (expenses):
Interest and other income, net	2,085			4,129			7,377			13,319
Interest expense	(22,604		)	(21,462		)	(68,246		)	(62,137		)
Loss on debt extinguishment	—			(89		)	(13		)	(240		)
Gain on involuntary conversion	—			—			2,259			—
Income from continuing operations before income taxes	227,883			52,405			351,221			329,072
Income tax benefit (expense)	536			897			(6,465		)	(9,495		)
Income from continuing operations	228,419			53,302			344,756			319,577
Discontinued operations:
Income before gain on sales	—			85			—			108
Gain on sale of properties	112			136			366			3,157
Income from discontinued operations	112			221			366			3,265
Net income	228,531			53,523			345,122			322,842
Net income attributable to noncontrolling interests	(1,965		)	(498		)	(2,952		)	(3,009		)
Net income attributable to common shareholders	$	226,566		$	53,025		$	342,170		$	319,833
Basic net income per common share:
Continuing operations attributable to common shareholders	$	0.62		$	0.15		$	0.95		$	0.88
Discontinued operations attributable to common shareholders	—			—			—			0.01
Total	$	0.62		$	0.15		$	0.95		$	0.89
Diluted net income per common share:
Continuing operations attributable to common shareholders	$	0.62		$	0.15		$	0.94		$	0.88
Discontinued operations attributable to common shareholders	—			—			—			0.01
Total	$	0.62		$	0.15		$	0.94		$	0.89
Weighted average number of common shares outstanding	362,416			357,898			360,424			357,235
Weighted average number of common shares and potential dilutive securities	367,271			361,410			365,343			362,745
Comprehensive income:
Net income	$	228,531		$	53,523		$	345,122		$	322,842
Other comprehensive loss:
Unrealized losses on interest rate swap contracts	(13,387		)	—			(37,428		)	—
Comprehensive income	$	215,144		$	53,523		$	307,694		$	322,842

See accompanying Notes to Consolidated Financial Statements

4

DUKE REALTY CORPORATION AND SUBSIDIARIES

Consolidated Statements of Cash Flows

For the nine months ended September 30,

(in thousands)

(Unaudited)

	2019			2018
Cash flows from operating activities:
Net income	$	345,122		$	322,842
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of buildings and tenant improvements	202,261			190,460
Amortization of deferred leasing and other costs	40,659			41,756
Amortization of deferred financing costs	4,606			4,303
Straight-line rental income and expense, net	(15,627		)	(16,763		)
Loss on debt extinguishment	13			240
Gain on involuntary conversion	(2,259		)	—
Gains on land and property sales	(211,010		)	(205,119		)
Third-party construction contracts, net	14,218			(5,088		)
Other accrued revenues and expenses, net	26,870			43,627
Equity in earnings in excess of operating distributions received from unconsolidated joint ventures	(766		)	(4,609		)
Net cash provided by operating activities	404,087			371,649
Cash flows from investing activities:
Development of real estate investments	(325,825		)	(459,513		)
Acquisition of real estate investments and related intangible assets	(146,632		)	(208,914		)
Acquisition of undeveloped land	(223,547		)	(194,171		)
Second generation tenant improvements, leasing costs and building improvements	(31,644		)	(34,311		)
Other deferred leasing costs	(28,551		)	(27,691		)
Other assets	(9,104		)	(5,929		)
Proceeds from the repayments of notes receivable from property sales	145,000			149,913
Proceeds from land and property sales, net	379,774			434,584
Capital distributions from unconsolidated joint ventures	2,664			19,176
Capital contributions and advances to unconsolidated joint ventures	(5,963		)	(2,728		)
Net cash used for investing activities	(243,828		)	(329,584		)
Cash flows from financing activities:
Proceeds from issuance of common shares, net	222,672			30,591
Proceeds from unsecured debt	182,284			450,000
Payments on unsecured debt	—			(1,998		)
Payments on secured indebtedness including principal amortization	(44,652		)	(231,070		)
Repayments on line of credit, net	(30,000		)	—
Distributions to common shareholders	(232,323		)	(214,463		)
Distributions to noncontrolling interests, net	(1,864		)	(1,746		)
Tax payments on stock-based compensation awards	(5,695		)	(8,389		)
Change in book cash overdrafts	(14,306		)	22,669
Other financing activities	(9,920		)	—
Deferred financing costs	(1,440		)	(8,485		)
Net cash provided by financing activities	64,756			37,109
Net increase in cash, cash equivalents and restricted cash	225,015			79,174
Cash, cash equivalents and restricted cash at beginning of period	25,517			193,627
Cash, cash equivalents and restricted cash at end of period	$	250,532		$	272,801
Non-cash activities:
Liabilities and right-of-use assets - operating leases	$	38,826		$	—
Carrying amount of pre-existing ownership interest in acquired property	$	—		$	5,034
Non-cash property contribution from noncontrolling interests	$	—		$	3,200
Conversion of Limited Partner Units to common shares	$	—		$	1,967

See accompanying Notes to Consolidated Financial Statements

5

DUKE REALTY CORPORATION AND SUBSIDIARIES

Consolidated Statements of Changes in Equity

For the three and nine months ended September 30, 2019 and 2018

(in thousands, except per share data)

(Unaudited)

 

	Common Shareholders
	Common Stock		Additional Paid-in Capital		Accumulated Other Comprehensive Loss			Distributions in Excess of Net Income			Noncontrolling Interests			Total
Balance at June 30, 2019	$	3,606	$	5,290,382	$	(28,717	)	$	(624,674	)	$	61,524		$	4,702,121
Net income	—		—		—			226,566			1,965			228,531
Other comprehensive loss	—		—		(13,387		)	—			—			(13,387		)
Issuance of common shares	55		180,489		—			—			—			180,544
Stock-based compensation plan activity	2		1,639		—			(255		)	534			1,920
Distributions to common shareholders ($0.215 per share)	—		—		—			(77,773		)	—			(77,773		)
Distributions to noncontrolling interests	—		—		—			—			(684		)	(684		)
Balance at September 30, 2019	$	3,663	$	5,472,510	$	(42,104	)	$	(476,136	)	$	63,339		$	5,021,272

Balance at December 31, 2018	$	3,589	$	5,244,375	$	(4,676	)	$	(585,087	)	$	55,042		$	4,713,243
Net income	—		—		—			342,170			2,952			345,122
Other comprehensive loss	—		—		(37,428		)	—			—			(37,428		)
Issuance of common shares	68		222,604		—			—			—			222,672
Contributions from noncontrolling interests	—		—		—			—			312			312
Stock-based compensation plan activity	6		5,531		—			(896		)	7,209			11,850
Distributions to common shareholders ($0.645 per share)	—		—		—			(232,323		)	—			(232,323		)
Distributions to noncontrolling interests	—		—		—			—			(2,176		)	(2,176		)
Balance at September 30, 2019	$	3,663	$	5,472,510	$	(42,104	)	$	(476,136	)	$	63,339		$	5,021,272

	Common Shareholders
	Common Stock		Additional Paid-in Capital		Distributions in Excess of Net Income			Noncontrolling Interests			Total
Balance at June 30, 2018	$	3,572	$	5,209,605	$	(552,685	)	$	48,478		$	4,708,970
Net income	—		—		53,025			498			53,523
Issuance of common shares	10		29,205		—			—			29,215
Contributions from noncontrolling interests	—		—		—			3,475			3,475
Stock-based compensation plan activity	1		1,656		(301		)	701			2,057
Conversion of Limited Partner Units	—		29		—			(29		)	—
Distributions to common shareholders ($0.20 per share)	—		—		(71,656		)	—			(71,656		)
Distributions to noncontrolling interests	—		—		—			(660		)	(660		)
Balance at September 30, 2018	$	3,583	$	5,240,495	$	(571,617	)	$	52,463		$	4,724,924

Balance at December 31, 2017	$	3,564	$	5,205,316	$	(676,036	)	$	41,534		$	4,574,378
Net income	—		—		319,833			3,009			322,842
Issuance of common shares	11		30,580		—			—			30,591
Contributions from noncontrolling interests	—		—		—			3,475			3,475
Stock-based compensation plan activity	7		2,633		(951		)	8,433			10,122
Conversion of Limited Partner Units	1		1,966		—			(1,967		)	—
Distributions to common shareholders ($0.60 per share)	—		—		(214,463		)	—			(214,463		)
Distributions to noncontrolling interests	—		—		—			(2,021		)	(2,021		)
Balance at September 30, 2018	$	3,583	$	5,240,495	$	(571,617	)	$	52,463		$	4,724,924

See accompanying Notes to Consolidated Financial Statements

6

DUKE REALTY LIMITED PARTNERSHIP AND SUBSIDIARIES

Consolidated Balance Sheets

(in thousands)

	September 30, 2019			December 31, 2018
	(Unaudited)
ASSETS
Real estate investments:
Real estate assets	$	7,691,643		$	7,248,346
Construction in progress	469,218			477,162
Investments in and advances to unconsolidated joint ventures	110,815			110,795
Undeveloped land	307,973			360,816
	8,579,649			8,197,119
Accumulated depreciation	(1,427,180		)	(1,344,176		)
Net real estate investments	7,152,469			6,852,943
Real estate investments and other assets held-for-sale	23,739			1,082
Cash and cash equivalents	121,233			17,901
Accounts receivable	20,449			14,254
Straight-line rent receivable	123,689			109,334
Receivables on construction contracts, including retentions	24,186			41,215
Deferred leasing and other costs, net of accumulated amortization of $196,817 and $200,744	315,579			313,799
Restricted cash held in escrow for like-kind exchange	119,240			—
Notes receivable from property sales	127,550			272,550
Other escrow deposits and other assets	234,820			180,946
	$	8,262,954		$	7,804,024
LIABILITIES AND EQUITY
Indebtedness:
Secured debt, net of deferred financing costs of $175 and $238	$	34,896		$	79,563
Unsecured debt, net of deferred financing costs of $17,314 and $26,062	2,732,686			2,548,938
Unsecured line of credit	—			30,000
	2,767,582			2,658,501
Liabilities related to real estate investments held-for-sale	2,515			—
Construction payables and amounts due subcontractors, including retentions	70,310			92,288
Accrued real estate taxes	85,684			73,358
Accrued interest	28,680			16,153
Other liabilities	242,744			205,433
Tenant security deposits and prepaid rents	44,167			45,048
Total liabilities	3,241,682			3,090,781
Partners' equity:
Common equity (366,295 and 358,851 General Partner Units issued and outstanding, respectively)	5,000,037			4,662,877
Limited Partners' common equity (3,141 and 2,920 Limited Partner Units issued and outstanding, respectively)	58,736			50,585
Accumulated other comprehensive loss	(42,104		)	(4,676		)
Total partners' equity	5,016,669			4,708,786
Noncontrolling interests	4,603			4,457
Total equity	5,021,272			4,713,243
	$	8,262,954		$	7,804,024

See accompanying Notes to Consolidated Financial Statements

7

DUKE REALTY LIMITED PARTNERSHIP AND SUBSIDIARIES

Consolidated Statements of Operations and Comprehensive Income

For the three and nine months ended September 30,

(in thousands, except per unit amounts)

(Unaudited)

	Three Months Ended						Nine Months Ended
	2019			2018			2019			2018
Revenues:
Rental and related revenue	$	215,374		$	196,912		$	638,446		$	582,461
General contractor and service fee revenue	25,955			34,986			104,838			94,552
	241,329			231,898			743,284			677,013
Expenses:
Rental expenses	19,158			17,268			57,423			53,558
Real estate taxes	31,739			31,515			96,556			93,857
General contractor and other services expenses	23,640			33,730			99,415			89,392
Depreciation and amortization	83,924			78,855			242,920			232,216
	158,461			161,368			496,314			469,023
Other operating activities:
Equity in earnings of unconsolidated joint ventures	3,736			5,552			12,594			15,521
Gain on sale of properties	173,646			(107		)	204,075			194,741
Gain on land sales	3,869			3,915			6,569			7,221
Other operating expenses	(874		)	(1,104		)	(4,515		)	(3,902		)
Non-incremental costs related to successful leases	(1,123		)	—			(6,726		)	—
General and administrative expenses	(13,720		)	(8,959		)	(49,123		)	(43,441		)
	165,534			(703		)	162,874			170,140
Operating income	248,402			69,827			409,844			378,130
Other income (expenses):
Interest and other income, net	2,085			4,129			7,377			13,319
Interest expense	(22,604		)	(21,462		)	(68,246		)	(62,137		)
Loss on debt extinguishment	—			(89		)	(13		)	(240		)
Gain on involuntary conversion	—			—			2,259			—
Income from continuing operations before income taxes	227,883			52,405			351,221			329,072
Income tax benefit (expense)	536			897			(6,465		)	(9,495		)
Income from continuing operations	228,419			53,302			344,756			319,577
Discontinued operations:
Income before gain on sales	—			85			—			108
Gain on sale of properties	112			136			366			3,157
Income from discontinued operations	112			221			366			3,265
Net income	228,531			53,523			345,122			322,842
Net loss (income) attributable to noncontrolling interests	3			(3		)	19			(7		)
Net income attributable to common unitholders	$	228,534		$	53,520		$	345,141		$	322,835
Basic net income per Common Unit:
Continuing operations attributable to common unitholders	$	0.62		$	0.15		$	0.95		$	0.88
Discontinued operations attributable to common unitholders	—			—			—			0.01
Total	$	0.62		$	0.15		$	0.95		$	0.89
Diluted net income per Common Unit:
Continuing operations attributable to common unitholders	$	0.62		$	0.15		$	0.94		$	0.88
Discontinued operations attributable to common unitholders	—			—			—			0.01
Total	$	0.62		$	0.15		$	0.94		$	0.89
Weighted average number of Common Units outstanding	365,558			361,200			363,542			360,585
Weighted average number of Common Units and potential dilutive securities	367,271			361,410			365,343			362,745
Comprehensive income:
Net income	$	228,531		$	53,523		$	345,122		$	322,842
Other comprehensive loss:
Unrealized losses on interest rate swap contracts	(13,387		)	—			(37,428		)	—
Comprehensive income	$	215,144		$	53,523		$	307,694		$	322,842

See accompanying Notes to Consolidated Financial Statements

8

DUKE REALTY LIMITED PARTNERSHIP AND SUBSIDIARIES

Consolidated Statements of Cash Flows

For the nine months ended September 30,

(in thousands)

(Unaudited)

	2019			2018
Cash flows from operating activities:
Net income	$	345,122		$	322,842
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of buildings and tenant improvements	202,261			190,460
Amortization of deferred leasing and other costs	40,659			41,756
Amortization of deferred financing costs	4,606			4,303
Straight-line rental income and expense, net	(15,627		)	(16,763		)
Loss on debt extinguishment	13			240
Gain on involuntary conversion	(2,259		)	—
Gains on land and property sales	(211,010		)	(205,119		)
Third-party construction contracts, net	14,218			(5,088		)
Other accrued revenues and expenses, net	26,870			43,627
Equity in earnings in excess of operating distributions received from unconsolidated joint ventures	(766		)	(4,609		)
Net cash provided by operating activities	404,087			371,649
Cash flows from investing activities:
Development of real estate investments	(325,825		)	(459,513		)
Acquisition of real estate investments and related intangible assets	(146,632		)	(208,914		)
Acquisition of undeveloped land	(223,547		)	(194,171		)
Second generation tenant improvements, leasing costs and building improvements	(31,644		)	(34,311		)
Other deferred leasing costs	(28,551		)	(27,691		)
Other assets	(9,104		)	(5,929		)
Proceeds from the repayments of notes receivable from property sales	145,000			149,913
Proceeds from land and property sales, net	379,774			434,584
Capital distributions from unconsolidated joint ventures	2,664			19,176
Capital contributions and advances to unconsolidated joint ventures	(5,963		)	(2,728		)
Net cash used for investing activities	(243,828		)	(329,584		)
Cash flows from financing activities:
Contributions from the General Partner	222,672			30,591
Proceeds from unsecured debt	182,284			450,000
Payments on unsecured debt	—			(1,998		)
Payments on secured indebtedness including principal amortization	(44,652		)	(231,070		)
Repayments on line of credit, net	(30,000		)	—
Distributions to common unitholders	(234,352		)	(216,484		)
Contributions from noncontrolling interests, net	165			275
Tax payments on stock-based compensation awards	(5,695		)	(8,389		)
Change in book cash overdrafts	(14,306		)	22,669
Other financing activities	(9,920		)	—
Deferred financing costs	(1,440		)	(8,485		)
Net cash provided by financing activities	64,756			37,109
Net increase in cash, cash equivalents and restricted cash	225,015			79,174
Cash, cash equivalents and restricted cash at beginning of period	25,517			193,627
Cash, cash equivalents and restricted cash at end of period	$	250,532		$	272,801
Non-cash activities:
Liabilities and right-of-use assets - operating leases	$	38,826		$	—
Carrying amount of pre-existing ownership interest in acquired property	$	—		$	5,034
Non-cash property contribution from noncontrolling interests	$	—		$	3,200
Conversion of Limited Partner Units to common shares of the General Partner	$	—		$	1,967

See accompanying Notes to Consolidated Financial Statements

9

DUKE REALTY LIMITED PARTNERSHIP AND SUBSIDIARIES

Consolidated Statements of Changes in Equity

For the three and nine months ended September 30, 2019 and 2018

(in thousands, except per unit data)

(Unaudited)

	Common Unitholders
	General			Limited			Accumulated
	Partner's			Partners'			Other			Total
	Common Equity			Common Equity			Comprehensive Loss			Partners' Equity			Noncontrolling Interests			Total Equity
Balance at June 30, 2019	$	4,669,314		$	56,910		$	(28,717	)	$	4,697,507		$	4,614		$	4,702,121
Net income	226,566			1,968			—			228,534			(3		)	228,531
Other comprehensive loss	—			—			(13,387		)	(13,387		)	—			(13,387		)
Capital contribution from the General Partner	180,544			—			—			180,544			—			180,544
Stock-based compensation plan activity	1,386			534			—			1,920			—			1,920
Distributions to common unitholders ($0.215 per Common Unit)	(77,773		)	(676		)	—			(78,449		)	—			(78,449		)
Distributions to noncontrolling interests	—			—			—			—			(8		)	(8		)
Balance at September 30, 2019	$	5,000,037		$	58,736		$	(42,104	)	$	5,016,669		$	4,603		$	5,021,272

Balance at December 31, 2018	$	4,662,877		$	50,585		$	(4,676	)	$	4,708,786		$	4,457		$	4,713,243
Net income	342,170			2,971			—			345,141			(19		)	345,122
Other comprehensive loss	—			—			(37,428		)	(37,428		)	—			(37,428		)
Capital contribution from the General Partner	222,672			—			—			222,672			—			222,672
Stock-based compensation plan activity	4,641			7,209			—			11,850			—			11,850
Contributions from noncontrolling interests	—			—			—			—			312			312
Distributions to common unitholders ($0.645 per Common Unit)	(232,323		)	(2,029		)	—			(234,352		)	—			(234,352		)
Distributions to noncontrolling interests	—			—			—			—			(147		)	(147		)
Balance at September 30, 2019	$	5,000,037		$	58,736		$	(42,104	)	$	5,016,669		$	4,603		$	5,021,272

	Common Unitholders
	General			Limited
	Partner's			Partners'			Total
	Common Equity			Common Equity			Partners' Equity			Noncontrolling Interests		Total Equity
Balance at June 30, 2018	$	4,660,492		$	47,503		$	4,707,995		$	975	$	4,708,970
Net income	53,025			495			53,520			3		53,523
Capital contribution from the General Partner	29,215			—			29,215			—		29,215
Stock-based compensation plan activity	1,356			701			2,057			—		2,057
Contributions from noncontrolling interests	—			—			—			3,475		3,475
Conversion of Limited Partner Units	29			(29		)	—			—		—
Distributions to common unitholders ($0.20 per Common Unit)	(71,656		)	(660		)	(72,316		)	—		(72,316		)
Balance at September 30, 2018	$	4,672,461		$	48,010		$	4,720,471		$	4,453	$	4,724,924

Balance at December 31, 2017	$	4,532,844		$	40,563		$	4,573,407		$	971	$	4,574,378
Net income	319,833			3,002			322,835			7		322,842
Capital contribution from the General Partner	30,591			—			30,591			—		30,591
Stock-based compensation plan activity	1,689			8,433			10,122			—		10,122
Contributions from noncontrolling interests	—			—			—			3,475		3,475
Conversion of Limited Partner Units	1,967			(1,967		)	—			—		—
Distributions to common unitholders ($0.60 per Common Unit)	(214,463		)	(2,021		)	(216,484		)	—		(216,484		)
Balance at September 30, 2018	$	4,672,461		$	48,010		$	4,720,471		$	4,453	$	4,724,924

See accompanying Notes to Consolidated Financial Statements

10

DUKE REALTY CORPORATION AND DUKE REALTY LIMITED PARTNERSHIP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1.    General Basis of Presentation

The interim consolidated financial statements included herein have been prepared by the General Partner and the Partnership. The 2018 year-end consolidated balance sheet data included in this Report was derived from the audited financial statements in the combined Annual Report on Form 10-K of the General Partner and the Partnership for the year ended December 31, 2018 (the "2018 Annual Report"), but does not include all disclosures required by accounting principles generally accepted in the United States of America ("GAAP"). The financial statements have been prepared in accordance with GAAP for interim financial information and in accordance with Rule 10-01 of Regulation S-X of the Securities Exchange Act of 1934, as amended. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and revenue and expenses during the reporting period. Our actual results could differ from those estimates and assumptions. These financial statements should be read in conjunction with Management's Discussion and Analysis of Financial Condition and Results of Operations included herein and the consolidated financial statements and notes thereto included in the 2018 Annual Report.

The General Partner was formed in 1985, and we believe that it qualifies as a REIT under the provisions of the Internal Revenue Code of 1986, as amended (the "Code"). The Partnership was formed on October 4, 1993, when the General Partner contributed all of its properties and related assets and liabilities, together with the net proceeds from an offering of additional shares of its common stock, to the Partnership. Simultaneously, the Partnership completed the acquisition of Duke Associates, a full-service commercial real estate firm operating in the Midwest whose operations began in 1972.

The General Partner is the sole general partner of the Partnership, owning approximately 99.1% of the Common Units at September 30, 2019. The remaining 0.9% of the Common Units are owned by limited partners. As the sole general partner of the Partnership, the General Partner has full, exclusive and complete responsibility and discretion in the day-to-day management and control of the Partnership. The General Partner and the Partnership are operated as one enterprise. The management of the General Partner consists of the same members as the management of the Partnership. As the sole general partner with control of the Partnership, the General Partner consolidates the Partnership for financial reporting purposes, and the General Partner does not have any significant assets other than its investment in the Partnership. Therefore, the assets and liabilities of the General Partner and the Partnership are substantially the same.

Limited partners have the right to redeem their Limited Partner Units, subject to certain restrictions. Pursuant to the Fifth Amended and Restated Agreement of Limited Partnership, as amended (the "Partnership Agreement"), the General Partner is obligated to redeem the Limited Partner Units in shares of its common stock, unless it determines in its reasonable discretion that the issuance of shares of its common stock could cause it to fail to qualify as a REIT. Each Limited Partner Unit shall be redeemed for one share of the General Partner's common stock, or, in the event that the issuance of shares could cause the General Partner to fail to qualify as a REIT, cash equal to the fair market value of one share of the General Partner's common stock at the time of redemption, in each case, subject to certain adjustments described in the Partnership Agreement. The Limited Partner Units are not required, per the terms of the Partnership Agreement, to be redeemed in registered shares of the General Partner.

As of September 30, 2019, we owned and operated a portfolio primarily consisting of industrial properties and provided real estate services to third-party owners. Substantially all of our Rental Operations (see Note 11) are conducted through the Partnership. We conduct our Service Operations (see Note 11) through Duke Realty Services, LLC, Duke Realty Services Limited Partnership and Duke Construction Limited Partnership ("DCLP"), which are consolidated entities that are 100% owned by a combination of the General Partner and the Partnership. DCLP is owned through a taxable REIT subsidiary. The consolidated financial statements include our accounts and the accounts of our majority-owned or controlled subsidiaries.  

11

2.    New Accounting Pronouncements

Recently Adopted Accounting Pronouncements

Leases

On January 1, 2019, we adopted Accounting Standards Codification ("ASC") 842, Leases ("ASC 842"), utilizing the available election to adopt on a prospective basis. ASC 842 has superseded all previous GAAP guidance for accounting for leases.

As part of adoption, we elected the package of practical expedients available for implementation, which included: (i) relief from re-assessing whether an expired or existing contract meets the definition of a lease, (ii) relief from re-assessing the classification of expired or existing leases at the adoption date and (iii) allowing previously capitalized initial direct leasing costs to continue to be amortized. Due in large part to electing these practical expedients, the adoption of ASC 842 did not result in recording a cumulative adjustment to the opening balance of distributions in excess of net income.

Lessor Accounting

Our primary business is the development, acquisition, and operation of industrial real estate properties that are held for investment and leased to tenants. Due to electing the package of practical expedients that allow for relief from re-assessing the classification of existing leases at the adoption date, as well as based on the characteristics of our underlying assets and leases, all of our leases are classified as operating leases. We manage residual risk through investing in properties that we believe will appreciate in value over time. We also perform a credit analysis for tenants prior to leases being executed, and on an ongoing basis, to ensure collectability is probable prior to recognizing lease revenues on an accrual basis. For lessors, the accounting under ASC 842 remains largely unchanged with the notable exception that ASC 842 requires that lessors expense certain initial direct costs, which were capitalizable under prior leasing standards, as incurred. Under the new standard, only the incremental costs of signing a lease are capitalizable. As the result of this change, we recognized $1.1 million and $6.7 million of expense for internal costs related to successful leases for the three and nine months ended September 30, 2019, respectively, presented separately in the line item "Non-Incremental Costs Related to Successful Leases" on the Consolidated Statements of Operations and Comprehensive Income, which previously would have been capitalized. For the three and nine months ended September 30, 2018, we capitalized $852,000 and $9.2 million, respectively, of internal lease related costs which would have been expensed had ASC 842 been effective.

ASC 842 also requires lessors to exclude certain lessor costs, such as real estate taxes and insurance, that are paid directly by lessees to third parties from rental revenue and the associated rental expense. Lessor costs that are paid by the lessor and reimbursed by the lessee continue to be recorded through rental revenue and the associated rental expense.

ASC 842 provides lessors an additional practical expedient to not separate rental recovery revenue related to lease-related services from the associated rental revenue related to the lease when certain criteria are met. The lease-related services provided to our tenants include property management, common area maintenance ("CAM") and utilities. We assessed the applicable criteria, concluding that the timing and straight-line pattern of transfer to the lessees for rental recovery revenue from our lease-related services and revenue from the underlying leases are the same and that lease classification does not change, and elected to apply this additional practical expedient.

Our leases generally include scheduled rent increases, but do not include variable payments based on indexes. Our rental revenue is primarily based on fixed, non-cancelable leases. Our variable rental revenue primarily consists of amounts recovered from lessees for property tax, insurance and CAM.

12

All revenues related to lease and lease-related services are included in, and comprise substantially all of, the caption "Rental and Related Revenue" on the Consolidated Statements of Operations and Comprehensive Income. The components of Rental and Related Revenue are as follows (in thousands):

	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
Rental revenue - fixed payments	$	163,516	$	481,674
Rental revenue - variable payments (1)	51,858		156,772
Rental and related revenue	$	215,374	$	638,446

(1) Primarily includes tenant recoveries for real estate taxes, insurance and CAM.

The future minimum rents due to us under non-cancelable operating leases are as follows (in thousands):

Year	September 30, 2019		December 31, 2018
2019	$	153,301	$	600,385
2020	623,291		586,609
2021	600,850		529,961
2022	537,556		463,462
2023	466,514		397,150
Thereafter	2,058,372		1,582,598
	$	4,439,884	$	4,160,165

Lessee Accounting

ASC 842 requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase of the leased asset by the lessee. This classification determines whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use ("ROU") asset and a lease liability for all leases with a term of greater than 12 months regardless of classification.

As of September 30, 2019, our lease arrangements primarily consisted of office and ground leases. Adoption of the practical expedients resulted in the continued classification of our leases as operating leases. Expense recognized on these leases for the nine months ended September 30, 2019 was not material.

For these arrangements, we recognized a ROU asset and a corresponding lease liability at the January 1, 2019 adoption date of ASC 842, representing the discounted value of future lease payments required under our lease arrangements. A $38.8 million ROU asset, net of pre-existing lease related accruals, was included in Other Escrow Deposits and Other Assets, and a corresponding lease liability of $45.0 million was included in Other Liabilities on our Consolidated Balance Sheets as of September 30, 2019. In determining these amounts we elected an available practical expedient that allows us, as a lessee, to not separate lease and non-lease components.

13

The following table summarizes the future operating lease payments (in thousands) to be made under our non-cancellable lease arrangements:

Year	September 30, 2019			December 31, 2018
2019	$	1,521		$	6,487
2020	8,037			7,594
2021	3,595			2,987
2022	2,877			2,255
2023	2,585			1,949
Thereafter	86,040			85,523
Total undiscounted operating lease payments	$	104,655		$	106,795
Less: imputed interest	(59,634		)
Present value of operating lease payments	$	45,021

The weighted average remaining lease term for our lease arrangements, on a combined basis as of September 30, 2019, was 32.5 years. The weighted average discount rate for our lease arrangements as of September 30, 2019 was 4.55%. As the discount rates implied in our lease arrangements are not readily determinable, we utilized our current credit ratings and credit yields observed from market traded securities with similar credit ratings to form a reasonable basis to establish secured borrowing rates when determining the present value of future lease payments.

3.    Reclassifications

Certain amounts in the accompanying consolidated financial statements for 2018 have been reclassified to conform to the 2019 consolidated financial statement presentation.

4.    Restricted Cash

In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows: Restricted Cash ("ASU 2016-18"). ASU 2016-18 requires entities to show the changes in the total of cash, cash equivalents and restricted cash in the statement of cash flows. As a result, entities will no longer present transfers between cash, cash equivalents and restricted cash in the statement of cash flows. We adopted this standard on January 1, 2018, on a retrospective basis, and the adoption did not have a material impact on our consolidated financial statements.

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows (in thousands):

	September 30, 2019		December 31, 2018
Cash and cash equivalents	$	121,233	$	17,901
Restricted cash held in escrow for like-kind exchange	119,240		—
Restricted cash included in other escrow deposits and other assets	10,059		7,616
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	250,532	$	25,517

Restricted cash held in escrow for like-kind exchange on the Consolidated Balance Sheets includes cash received from the property dispositions but restricted only for qualifying like-kind exchange transactions.

14

5.    Variable Interest Entities

Partnership

Due to the fact that the Limited Partners do not have kick out rights, or substantive participating rights, the Partnership is a variable interest entity ("VIE"). Because the General Partner holds majority ownership and exercises control over every aspect of the Partnership's operations, the General Partner has been determined as the primary beneficiary and, therefore, consolidates the Partnership.

The assets and liabilities of the General Partner and the Partnership are substantially the same, as the General Partner does not have any significant assets other than its investment in the Partnership. All of the Company's debt is an obligation of the Partnership.

Joint Ventures

We have equity interests in unconsolidated joint ventures that primarily own and operate rental properties or hold land for development. We consolidate those joint ventures that are considered to be VIEs where we are the primary beneficiary. We analyze our investments in joint ventures to determine if the joint venture is considered a VIE and would require consolidation. We (i) evaluate the sufficiency of the total equity investment at risk, (ii) review the voting rights and decision-making authority of the equity investment holders as a group and whether there are limited partners (or similar owning entities) that lack substantive participating or kick out rights and (iii) establish whether or not activities within the venture are on behalf of an investor with disproportionately few voting rights in making this VIE determination.

To the extent that we own interests in a VIE and we (i) are the sole entity that has the power to direct the activities of the VIE and (ii) have the obligation or rights to absorb the VIE's losses or receive its benefits, then we would be determined to be the primary beneficiary and would consolidate the VIE. To the extent we own interests in a VIE, then at each reporting period, we re-assess our conclusions as to which, if any, party within the VIE is considered the primary beneficiary. Consolidated joint ventures that are VIEs are not significant in any period presented in these consolidated financial statements.

To the extent that our joint ventures do not qualify as VIEs, they are consolidated if we control them through majority ownership interests or if we are the managing entity (general partner or managing member) and the other partner does not have substantive participating rights. Control is further demonstrated by our ability to unilaterally make significant operating decisions, refinance debt and sell the assets of the joint venture without the consent of the non-managing entity and the inability of the non-managing entity to remove us from our role as the managing entity. Consolidated joint ventures that are not VIEs are not significant in any period presented in these consolidated financial statements.

There were no unconsolidated joint ventures, in which we have any recognized assets or liabilities or have retained any economic exposure to loss at September 30, 2019, that met the criteria to be considered VIEs. Our maximum loss exposure for guarantees of unconsolidated joint venture indebtedness, none of which relate to VIEs, totaled $160.1 million at September 30, 2019.

6.    Acquisitions and Dispositions

Acquisitions and dispositions for the periods presented were completed in accordance with our strategy to reposition our investment concentration among the markets in which we operate and to increase our overall investments in quality industrial projects. Transaction costs related to asset acquisitions are capitalized and transaction costs related to business combinations and dispositions are expensed.

15

Acquisitions

We paid cash of $146.6 million and $208.9 million for asset acquisitions during the nine months ended September 30, 2019 and 2018, respectively.

We acquired four properties during the nine months ended September 30, 2019. We determined that these four properties did not meet the definition of a business and, accordingly, we accounted for them as asset acquisitions as opposed to business combinations.

The following table summarizes amounts recognized for each major class of assets (in thousands) for these acquisitions during the nine months ended September 30, 2019:

Real estate assets	$	140,030
Lease related intangible assets	9,331
Fair value of acquired net assets	$	149,361

The leases in the acquired properties had a weighted average remaining life at acquisition of approximately 6.3 years.

Fair Value Measurements

We determine the fair value of the individual components of real estate asset acquisitions primarily through calculating the "as-if vacant" value of a building, using an income approach, which relies significantly upon internally determined assumptions. We have determined that these estimates primarily rely upon level 3 inputs, which are unobservable inputs based on our own assumptions. The most significant assumptions used in calculating the "as-if vacant" value for acquisition activity during the nine months ended September 30, 2019 are as follows: 

	Low	High
Exit capitalization rate	4.23%	5.26%
Net rental rate per square foot	$5.90	$15.60

Capitalized acquisition costs were insignificant and the fair value of the four properties acquired during the nine months ended September 30, 2019 was substantially the same as the cost of acquisition.

Dispositions

Dispositions of buildings and undeveloped land generated net cash proceeds of $379.8 million and $434.6 million during the nine months ended September 30, 2019 and 2018, respectively.

In September 2019, we completed the sale of 18 non-strategic industrial properties for $217.5 million in proceeds and recorded a gain on sale of $146.3 million. These properties totaled 4.1 million square feet and were located in primarily Midwest markets. Additionally, during the nine months ended September 30, 2019, we collected $145.0 million of principal on notes receivable primarily related to the sale of our medical office portfolio (the "Medical Office Portfolio Disposition") during 2017. The number of buildings sold, as well as their classification between continuing and discontinued operations, is disclosed in Note 12.

16

7. Indebtedness

All debt is issued directly or indirectly by the Partnership. The General Partner does not have any indebtedness, but does guarantee some of the unsecured debt of the Partnership. The following table summarizes the book value and changes in the fair value of our debt (in thousands):

	Book Value at 12/31/2018		Book Value at 9/30/2019		Fair Value at 12/31/2018		Issuances and Assumptions		Payments/Payoffs			Adjustments to Fair Value			Fair Value at 9/30/2019
Fixed rate secured debt	$	77,601	$	33,171	$	80,238	$	—	$	(44,352	)	$	(163	)	$	35,723
Variable rate secured debt	2,200		1,900		2,200		—		(300		)	—			1,900
Unsecured debt	2,575,000		2,750,000		2,549,963		175,000		—			172,750			2,897,713
Unsecured line of credit	30,000		—		30,000		—		(30,000		)	—			—
Total	$	2,684,801	$	2,785,071	$	2,662,401	$	175,000	$	(74,652	)	$	172,587		$	2,935,336
Less: Deferred financing costs	26,300		17,489
Total indebtedness as reported on the consolidated balance sheets	$	2,658,501	$	2,767,582

Secured Debt

Because our fixed rate secured debt is not actively traded in any marketplace, we utilized a discounted cash flow methodology to determine its fair value. Accordingly, we calculated fair value by applying an estimate of the current market rate to discount the debt's remaining contractual cash flows. Our estimate of a current market rate, which is the most significant input in the discounted cash flow calculation, is intended to replicate debt of similar maturity and loan-to-value relationship. The estimated rates ranged from 3.10% to 3.40%, depending on the attributes of the specific loans. The current market rates we utilized were internally estimated; therefore, we have concluded that our determination of fair value for our fixed rate secured debt was primarily based upon level 3 inputs.

During the nine months ended September 30, 2019, we repaid three fixed rate secured loans, totaling $41.7 million, which had a weighted average stated interest rate of 7.76%.

Unsecured Debt

At September 30, 2019, all of our unsecured debt bore interest at fixed rates and primarily consisted of unsecured notes that are publicly traded. We utilized broker estimates in estimating the fair value of our fixed rate unsecured debt. Our unsecured notes are thinly traded and, in certain cases, the broker estimates were not based upon comparable transactions. The broker estimates took into account any recent trades within the same series of our fixed rate unsecured debt, comparisons to recent trades of other series of our fixed rate unsecured debt, trades of fixed rate unsecured debt from companies with profiles similar to ours, as well as overall economic conditions. We reviewed these broker estimates for reasonableness and accuracy, considering whether the estimates were based upon market participant assumptions within the principal and most advantageous market and whether any other observable inputs would be more accurate indicators of fair value than the broker estimates. We concluded that the broker estimates were representative of fair value. We have determined that our estimation of the fair value of our fixed rate unsecured debt was primarily based upon level 3 inputs. The estimated trading values of our fixed rate unsecured debt, depending on the maturity and coupon rates, ranged from 102.00% to 131.00% of face value.

In August 2019, we issued $175.0 million of senior unsecured notes bearing interest at a stated interest rate of 3.38% and maturing on December 15, 2027, at 104.16% of par value, resulting in an effective interest rate of 2.80%. Proceeds from the unsecured notes offering were primarily used to repay the borrowings under the unsecured line of credit. The notes were issued as additional notes under an indenture pursuant to which we previously issued $300.0 million senior unsecured notes due 2027 in December 2017. These notes have substantially identical terms.

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The indentures (and related supplemental indentures) governing our outstanding series of unsecured notes also require us to comply with financial ratios and other covenants regarding our operations. We were in compliance with all such financial covenants at September 30, 2019.

Unsecured Line of Credit

Our unsecured line of credit at September 30, 2019 is described as follows (in thousands):

Description	Borrowing Capacity		Maturity Date	Outstanding Balance at September 30, 2019
Unsecured Line of Credit - Partnership	$	1,200,000	January 30, 2022	$	—

The Partnership's unsecured line of credit has an interest rate on borrowings of LIBOR plus 0.875% and has a maturity date of January 30, 2022, with options to extend until January 30, 2023. Subject to certain conditions, the terms also include an option to increase the facility by up to an additional $800.0 million, for a total of up to $2.00 billion. This line of credit provides us with an option to obtain borrowings from financial institutions that participate in the line at rates that may be lower than the stated interest rate, subject to certain restrictions.

This line of credit contains financial covenants that require us to meet certain financial ratios and defined levels of performance, including those related to fixed charge coverage, unsecured interest expense coverage and debt-to-asset value (with asset value being defined in the Partnership's unsecured line of credit agreement). At September 30, 2019, we were in compliance with all financial covenants under this line of credit.

To the extent there are outstanding borrowings, we utilize a discounted cash flow methodology in order to estimate the fair value of outstanding borrowings on our unsecured line of credit. To the extent that credit spreads have changed since the origination of the line of credit, the net present value of the difference between future contractual interest payments and future interest payments based on our estimate of a current market rate would represent the difference between the book value and the fair value. This estimate of a current market rate is based upon the rate, considering current market conditions and our specific credit profile, at which we estimate we could obtain similar borrowings. As our credit spreads have not changed appreciably, we believe that the contractual interest rate and the current market rate on any outstanding borrowings on the line of credit are the same. The current market rate is internally estimated and therefore is primarily based upon a level 3 input.

8.    Shareholders' Equity of the General Partner and Partners' Capital of the Partnership

General Partner

The General Partner has an at the market ("ATM") equity program that allows it to issue and sell its common shares through sales agents from time to time. Actual sales under the ATM equity program depend on a variety of factors to be determined by the General Partner, including, among others, market conditions, the trading price of the General Partner’s common stock, determinations by the General Partner of the appropriate sources of funding and potential uses of funding available.

In August 2019, the General Partner terminated its previous equity distribution agreement for the ATM equity program and entered into a new equity distribution agreement to sell shares of its common stock, $0.01 par value per share, from time to time, up to an aggregate offering price of $400.0 million.

During the nine months ended September 30, 2019, the General Partner issued 6.6 million common shares pursuant to its ATM equity programs, generating gross proceeds of $218.1 million and, after deducting commissions and other costs, net proceeds of $215.6 million. The proceeds from these offerings were contributed to the Partnership and used to fund development activities.

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Partnership

For each common share or preferred share that the General Partner issues, the Partnership issues a corresponding General Partner Unit or Preferred Unit, as applicable, to the General Partner in exchange for the contribution of the proceeds from the stock issuance. Similarly, when the General Partner redeems or repurchases common shares or preferred shares, the Partnership redeems the corresponding General Partner Units or Preferred Units held by the General Partner at the same price.

9.    Related Party Transactions

We provide property management, asset management, leasing, construction and other tenant-related services to unconsolidated joint ventures in which we have equity interests. We recorded the corresponding fees based on contractual terms that approximate market rates for these types of services and have eliminated our ownership percentage of these fees in the consolidated financial statements. The following table summarizes the fees earned from these joint ventures, prior to the elimination of our ownership percentage (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Management fees	$	452	$	462	$	1,318	$	1,359
Leasing fees	759		430		1,315		1,622
Construction and development fees	582		1,128		4,520		2,804

10.    Net Income per Common Share or Common Unit

Basic net income per common share or Common Unit is computed by dividing net income attributable to common shareholders or common unitholders, less dividends or distributions on share-based awards expected to vest (referred to as "participating securities" and primarily composed of unvested restricted stock units), by the weighted average number of common shares or Common Units outstanding for the period.

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Diluted net income per common share is computed by dividing the sum of net income attributable to common shareholders and the noncontrolling interest in earnings allocable to Limited Partner Units (to the extent the Limited Partner Units are dilutive), less dividends or distributions on participating securities that are anti-dilutive, by the sum of the weighted average number of common shares outstanding and, to the extent they are dilutive, weighted average number of Limited Partner Units outstanding and any potential dilutive securities for the period. Diluted net income per Common Unit is computed by dividing the net income attributable to common unitholders, less dividends or distributions on participating securities that are anti-dilutive, by the sum of the weighted average number of Common Units outstanding and any potential dilutive securities for the period. The following table reconciles the components of basic and diluted net income per common share or Common Unit (in thousands): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
General Partner
Net income attributable to common shareholders	$	226,566		$	53,025		$	342,170		$	319,833
Less: dividends on participating securities	(350		)	(394		)	(1,125		)	(1,249		)
Basic net income attributable to common shareholders	$	226,216		$	52,631		$	341,045		$	318,584
Add back dividends on dilutive participating securities	350			—			1,125			1,249
Noncontrolling interest in earnings of common unitholders	1,968			495			2,971			3,002
Diluted net income attributable to common shareholders	$	228,534		$	53,126		$	345,141		$	322,835
Weighted average number of common shares outstanding	362,416			357,898			360,424			357,235
Weighted average Limited Partner Units outstanding	3,142			3,302			3,118			3,350
Other potential dilutive shares	1,713			210			1,801			2,160
Weighted average number of common shares and potential dilutive securities	367,271			361,410			365,343			362,745
Partnership
Net income attributable to common unitholders	$	228,534		$	53,520		$	345,141		$	322,835
Less: distributions on participating securities	(350		)	(394		)	(1,125		)	(1,249		)
Basic net income attributable to common unitholders	$	228,184		$	53,126		$	344,016		$	321,586
Add back distributions on dilutive participating securities	350			—			1,125			1,249
Diluted net income attributable to common unitholders	$	228,534		$	53,126		$	345,141		$	322,835
Weighted average number of Common Units outstanding	365,558			361,200			363,542			360,585
Other potential dilutive units	1,713			210			1,801			2,160
Weighted average number of Common Units and potential dilutive securities	367,271			361,410			365,343			362,745

The following table summarizes the data that is excluded from the computation of net income per common share or Common Unit as a result of being anti-dilutive (in thousands): 

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
General Partner and Partnership
Other potential dilutive shares or units:
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans	—	—	—	—
Anti-dilutive outstanding participating securities	—	2,147	—	—

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11.    Segment Reporting

Reportable Segments

As of September 30, 2019, we had two reportable operating segments, the first consisting of the ownership and rental of industrial real estate investments. Our ongoing investments in new real estate investments are determined largely upon anticipated geographic trends in supply and demand for industrial buildings, as well as the real estate needs of our major tenants that operate on a national level. Our strategic initiatives and our allocation of resources have been historically based upon allocation among product types, which was consistent with our designation of reportable segments, and after having sold nearly all of our office and medical office properties we intend to increase our investment in industrial properties and treat them as a single operating and reportable segment. Properties not included in our reportable segments, because they are not industrial properties and do not by themselves meet the quantitative thresholds for separate presentation as a reportable segment, are generally referred to as non-reportable Rental Operations. Our non-reportable Rental Operations primarily include our remaining office properties and medical office property at September 30, 2019. The operations of our industrial properties, as well as our non-reportable Rental Operations, are collectively referred to as "Rental Operations."

Our second reportable segment consists of various real estate services such as property management, asset management, maintenance, leasing, development, general contracting and construction management to third-party property owners and joint ventures, and is collectively referred to as "Service Operations." The Service Operations segment is identified as one single operating segment because the lowest level of financial results reviewed by our chief operating decision maker are the results for the Service Operations segment in total. Further, our reportable segments are managed separately because each segment requires different operating strategies and management expertise.

Revenues by Reportable Segment

The following table shows the revenues for each of the reportable segments, as well as a reconciliation to consolidated revenues (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues
Rental Operations:
Industrial	$	213,819	$	194,922	$	633,226	$	574,866
Non-reportable Rental Operations	1,471		1,481		4,401		6,300
Service Operations	25,955		34,986		104,838		94,552
Total segment revenues	241,245		231,389		742,465		675,718
Other revenue	84		509		819		1,295
Consolidated revenue from continuing operations	241,329		231,898		743,284		677,013
Discontinued operations	—		85		—		117
Consolidated revenue	$	241,329	$	231,983	$	743,284	$	677,130

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Supplemental Performance Measure

Property-level net operating income on a cash basis ("PNOI") is the non-GAAP supplemental performance measure that we use to evaluate the performance of, and to allocate resources among, the real estate investments in the reportable and operating segments that comprise our Rental Operations. PNOI for our Rental Operations segments is comprised of rental revenues from continuing operations less rental expenses and real estate taxes from continuing operations, along with certain other adjusting items (collectively referred to as "Rental Operations revenues and expenses excluded from PNOI," as shown in the following table). Additionally, we do not allocate interest expense, depreciation expense and certain other non-property specific revenues and expenses (collectively referred to as "Non-Segment Items," as shown in the following table) to our individual operating segments.

We evaluate the performance of our Service Operations reportable segment using net income or loss, as allocated to that segment ("Earnings from Service Operations").

The most comparable GAAP measure to PNOI is income from continuing operations before income taxes. PNOI excludes expenses that materially impact our overall results of operations and, therefore, should not be considered as a substitute for income from continuing operations before income taxes or any other measures derived in accordance with GAAP. Furthermore, PNOI may not be comparable to other similarly titled measures of other companies.

The following table shows a reconciliation of our segment-level measures of profitability to consolidated income from continuing operations before income taxes (in thousands and excluding discontinued operations): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
PNOI
Industrial	$	151,906		$	136,456		$	446,446		$	391,645
Non-reportable Rental Operations	883			1,312			2,623			4,029
PNOI, excluding all sold properties	152,789			137,768			449,069			395,674
PNOI from sold properties included in continuing operations	3,119			5,546			12,774			24,668
PNOI, continuing operations	$	155,908		$	143,314		$	461,843		$	420,342
Earnings from Service Operations	2,315			1,256			5,423			5,160
Rental Operations revenues and expenses excluded from PNOI:
Straight-line rental income and expense, net	5,537			5,832			16,003			16,763
Revenues related to lease buyouts	1,089			—			1,108			23
Amortization of lease concessions and above and below market rents	1,741			593			4,545			1,599
Intercompany rents and other adjusting items	77			48			180			206
Non-Segment Items:
Equity in earnings of unconsolidated joint ventures	3,736			5,552			12,594			15,521
Interest expense	(22,604		)	(21,462		)	(68,246		)	(62,137		)
Depreciation and amortization expense	(83,924		)	(78,855		)	(242,920		)	(232,216		)
Gain on sale of properties	173,646			(107		)	204,075			194,741
Interest and other income, net	2,085			4,129			7,377			13,319
General and administrative expenses	(13,720		)	(8,959		)	(49,123		)	(43,441		)
Gain on land sales	3,869			3,915			6,569			7,221
Other operating expenses	(874		)	(1,104		)	(4,515		)	(3,902		)
Loss on extinguishment of debt	—			(89		)	(13		)	(240		)
Gain on involuntary conversion	—			—			2,259			—
Non-incremental costs related to successful leases	(1,123		)	—			(6,726		)	—
Other non-segment revenues and expenses, net	125			(1,658		)	788			(3,887		)
Income from continuing operations before income taxes	$	227,883		$	52,405		$	351,221		$	329,072

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12.    Real Estate Assets, Discontinued Operations and Assets Held-for-Sale

Real Estate Assets

Real estate assets, excluding assets held-for-sale, consisted of the following (in thousands):

	September 30, 2019		December 31, 2018
Buildings and tenant improvements	$	5,224,690	$	4,980,003
Land and improvements	2,466,953		2,268,343
Real estate assets	$	7,691,643	$	7,248,346

Discontinued Operations

The following table illustrates the number of sold or held-for-sale properties in this report, all of which were excluded from discontinued operations:

	Held-for-Sale at September 30, 2019	Sold Year-to-Date in 2019	Sold in 2018	Total
Properties sold or classified as held-for-sale	1	27	15	43

The following table illustrates the operational results of the buildings reflected in discontinued operations (in thousands):  

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues	$	—	$	85	$	—	$	117
Operating expenses	—		—		—		(9		)
Operating income	—		85		—		108
Gain on sale of properties	112		136		366		3,157
Income from discontinued operations	$	112	$	221	$	366	$	3,265

The amounts classified in discontinued operations for the three and nine months ended September 30, 2019 and 2018 were comprised of true-up activity related to properties sold in previous years that were classified as discontinued operations.

Allocation of Noncontrolling Interests - General Partner

The following table illustrates the General Partner's share of the income attributable to common shareholders from continuing operations and discontinued operations, reduced by the allocation of income between continuing and discontinued operations to the noncontrolling interests (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Income from continuing operations attributable to common shareholders	$	226,455	$	52,806	$	341,807	$	316,598
Income from discontinued operations attributable to common shareholders	111		219		363		3,235
Net income attributable to common shareholders	$	226,566	$	53,025	$	342,170	$	319,833

Allocation of Noncontrolling Interests - Partnership

Substantially all of the income from discontinued operations for all periods presented in the Partnership's Consolidated Statements of Operations and Comprehensive Income is attributable to the common unitholders.

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Assets Held-for-Sale

The following table illustrates aggregate balance sheet information for assets held-for-sale (in thousands):

	Held-for-Sale Properties Included in Continuing Operations
	September 30, 2019			December 31, 2018
Land and improvements	$	1,268		$	—
Buildings and tenant improvements	26,879			—
Undeveloped land	—			1,966
Accumulated depreciation	(7,931		)	(884		)
Deferred leasing and other costs, net	3,057			—
Other assets	466			—
Total assets held-for-sale	$	23,739		$	1,082
Accrued expenses	$	761		$	—
Other liabilities	1,754			—
Total liabilities related to assets held-for-sale	$	2,515		$	—

13.    Financial Instruments

We are exposed to capital market risk, such as changes in interest rates. In an effort to manage interest rate risk, we may enter into interest rate hedging arrangements from time to time. We do not utilize derivative financial instruments for trading or speculative purposes.

As of September 30, 2019 and December 31, 2018, the following forward-starting interest rate swaps designated as cash flow hedges (in thousands) were outstanding:

		Asset (Liability) Fair Value
Notional Amount		September 30, 2019			December 31, 2018
$	125,000	$	(16,630	)	$	(2,914	)
75,000		(9,993		)	(1,762		)
75,000		(7,914		)	—
50,000		(5,283		)	—
25,000		(2,284		)	—
$	350,000	$	(42,104	)	$	(4,676	)

We entered into these interest rate swap contracts to hedge our exposure to the changes in the interest rates on the debt issuances, meeting certain criteria, which occur between August 1, 2019 and December 31, 2020.

We determined the fair values of these interest rate swaps by using standard market conventions and techniques such as discounted cash flow analysis, option pricing models and termination cost at each balance sheet date. The inputs used to value these interest rate swaps fall within level 2 of the fair value hierarchy. We have recorded the fair values of our interest rate swap contracts, which totaled $42.1 million and $4.7 million as of September 30, 2019 and December 31, 2018, respectively, as liabilities, included in Other Liabilities and Accumulated Other Comprehensive Loss on our Consolidated Balance Sheets.

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14.    Subsequent Events

Declaration of Dividends/Distributions

The General Partner's board of directors declared the following dividends/distributions at its regularly scheduled board meeting held on October 30, 2019:

Class of stock/units	Quarterly Amount per Share or Unit	Record Date	Payment Date
Common - Quarterly	$0.235	November 14, 2019	November 29, 2019

Redemption of Unsecured Notes

On October 24, 2019, we redeemed $250.0 million of unsecured notes that were scheduled to mature in February 2021. We paid a prepayment premium of approximately $6.0 million in connection with the redemption of these notes.

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Item 2.    Management's Discussion and Analysis of Financial Condition and Results of Operations

The following Management's Discussion and Analysis of Financial Condition and Results of Operations is intended to help the reader understand our operations and our present business environment. Management's Discussion and Analysis is provided as a supplement to, and should be read in conjunction with, our consolidated financial statements and the notes thereto contained in Part I, Item 1 of this Report, and the consolidated financial statements and notes thereto contained in Part IV, Item 15 of our 2018 Annual Report.

Cautionary Notice Regarding Forward-Looking Statements

Certain statements contained in or incorporated by reference into this Report, including, without limitation, those related to our future operations, constitute "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. The words "believe," "estimate," "expect," "anticipate," "intend," "plan," "strategy," "continue," "seek," "may," "could" and similar expressions or statements regarding future periods are intended to identify forward-looking statements, although not all forward-looking statements may contain such words.

These forward-looking statements involve known and unknown risks, uncertainties and other important factors that could cause our actual results, performance or achievements, or industry results, to differ materially from any predictions of future results, performance or achievements that we express or imply in this Report or in the information incorporated by reference into this Report. Some of the risks, uncertainties and other important factors that may affect future results include, among others:

• Changes in general economic and business conditions, including the financial condition of our tenants and the value of our real estate assets;

• The General Partner's continued qualification as a REIT for U.S. federal income tax purposes;

• Heightened competition for tenants and potential decreases in property occupancy;

• Potential changes in the financial markets and interest rates;

• Volatility in the General Partner's stock price and trading volume;

• Our continuing ability to raise funds on favorable terms, or at all;

• Our ability to successfully identify, acquire, develop and/or manage properties on terms that are favorable to us;

• Potential increases in real estate construction costs;

• Our ability to successfully dispose of properties on terms that are favorable to us;

• Our ability to successfully integrate our acquired properties;

• Our ability to retain our current credit ratings;

• Inherent risks related to disruption of information technology networks and related systems, cyber security attacks and new system implementation;

• Inherent risks in the real estate business, including, but not limited to, tenant defaults, potential liability relating to environmental matters and liquidity of real estate investments; and

• Other risks and uncertainties described herein, as well as those risks and uncertainties discussed from time to time in our other reports and other public filings with the Securities and Exchange Commission (the "SEC").

Although we presently believe that the plans, expectations and anticipated results expressed in or suggested by the forward-looking statements contained in or incorporated by reference into this Report are reasonable, all forward-looking statements are inherently subjective, uncertain and subject to change, as they involve substantial risks and uncertainties, including those beyond our control. New factors emerge from time to time, and it is not possible for us to predict the nature, or assess the potential impact, of each new factor on our business. Given these uncertainties, we caution you not to place undue reliance on these forward-looking statements. We undertake no obligation to update or revise any of our forward-looking statements for events or circumstances that arise after the statement is made, except as otherwise may be required by law.

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The above list of risks and uncertainties is only a summary of some of the most important factors and is not intended to be exhaustive. Additional information regarding risk factors that may affect us is included in our 2018 Annual Report. The risk factors contained in our Annual Report are updated by us from time to time in Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other filings that we make with the SEC. 

Business Overview

The General Partner and Partnership collectively specialize in the ownership, management and development of industrial real estate.

The General Partner is a self-administered and self-managed REIT that began operations in 1986 and is the sole general partner of the Partnership. The Partnership is a limited partnership formed in 1993, at which time all of the properties and related assets and liabilities of the General Partner, as well as proceeds from a secondary offering of the General Partner's common shares, were contributed to the Partnership. Simultaneously, the Partnership completed the acquisition of Duke Associates, a full-service commercial real estate firm operating in the Midwest whose operations began in 1972. We operate the General Partner and the Partnership as one enterprise, and therefore, our discussion and analysis refers to the General Partner and its consolidated subsidiaries, including the Partnership, collectively. A more complete description of our business, and of management's philosophy and priorities, is included in our 2018 Annual Report.

At September 30, 2019, we:

• Owned or jointly controlled 516 primarily industrial properties, of which 497 properties with 148.0 million square feet were in service and 19 properties with 7.2 million square feet were under development. The 497 in-service properties were comprised of 457 consolidated properties with 135.3 million square feet and 40 unconsolidated joint venture properties with 12.7 million square feet. The 19 properties under development consisted of 18 consolidated properties with 7.1 million square feet and one unconsolidated joint venture property with 133,000 square feet.

• Owned directly, or through ownership interests in unconsolidated joint ventures (with acreage not adjusted for our percentage ownership interest), approximately 1,500 acres of land and controlled approximately 1,000 acres through purchase options.

Our overall strategy is to continue to increase our investment in quality industrial properties primarily through development, on both a speculative and build-to-suit basis, supplemented with acquisitions in higher barrier markets with the highest growth potential.

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Key Performance Indicators

Our operating results depend primarily upon rental income from our Rental Operations. The following discussion highlights the areas of Rental Operations that we consider to be critical drivers of future revenues.

Occupancy Analysis

Our ability to maintain high occupancy rates is a principal driver of maintaining and increasing rental revenue. The following table sets forth percent leased and average net effective rent information regarding our in-service portfolio of rental properties at September 30, 2019 and 2018, respectively:

	Total Square Feet (in thousands)		Percent of Total Square Feet				Percent Leased*				Average Annual Net Effective Rent**
Type	2019	2018	2019		2018		2019		2018		2019	2018
Industrial	135,096	130,425	99.8	%	99.8	%	96.1	%	97.0	%	$4.90	$4.64
Non-reportable Rental Operations	211	309	0.2	%	0.2	%	77.3	%	55.0	%	$24.76	$24.16
Total Consolidated	135,307	130,734	100.0	%	100.0	%	96.0	%	96.9	%	$4.93	$4.67
Unconsolidated Joint Ventures	12,656	11,583					97.6	%	93.7	%	$4.10	$4.25
Total Including Unconsolidated Joint Ventures	147,963	142,317					96.2	%	96.6	%
* Represents the percentage of total square feet leased based on executed leases and without regard to whether the leases have commenced.
**Average annual net effective rent represents average annual base rental payments per leased square foot, on a straight-line basis for the term of each lease, from space leased to tenants at the end of the most recent reporting period. This amount excludes additional amounts paid by tenants as reimbursement for operating expenses.

The lower leased percentage in our industrial portfolio at September 30, 2019, compared to September 30, 2018, resulted from new speculative developments being placed in service, partially offset by net absorption of previously vacant space.

Vacancy Activity

The following table sets forth vacancy activity, shown in square feet, from our in-service rental properties for the nine months ended September 30, 2019 (in thousands):

	Consolidated Properties		Unconsolidated Joint Venture Properties		Total Including Unconsolidated Joint Venture Properties
Vacant square feet at December 31, 2018	4,847		591		5,438
Acquisitions	162		—		162
Vacant space in completed developments	2,508		645		3,153
Dispositions	(573	)	(95	)	(668	)
Expirations	3,512		93		3,605
Early lease terminations	680		24		704
Property structural changes/other	5		—		5
Leasing of previously vacant space	(5,772	)	(955	)	(6,727	)
Vacant square feet at September 30, 2019	5,369		303		5,672

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Total Leasing Activity

The initial leasing of development projects or vacant space in acquired properties is referred to as first generation lease activity. Our ability to maintain and improve occupancy rates and net effective rents primarily depends upon our continuing ability to re-lease expiring space. The leasing of such space that we have previously held under lease to a tenant is referred to as second generation lease activity. Second generation lease activity may be in the form of renewals of existing leases or new second generation leases of previously leased space. The total leasing activity for our consolidated and unconsolidated rental properties, expressed in square feet of leases signed, is as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
New Leasing Activity - First Generation Industrial	2,111	1,601	6,775	7,281
New Leasing Activity - Second Generation Industrial	984	556	1,841	3,879
Renewal Leasing Activity - Industrial	3,131	2,637	7,717	6,149
Non-reportable Rental Operations Leasing Activity	3	—	4	4
Total Consolidated Leasing Activity	6,229	4,794	16,337	17,313
Unconsolidated Joint Venture Leasing Activity	1,322	375	1,532	2,599
Total Including Unconsolidated Joint Venture Leasing Activity	7,551	5,169	17,869	19,912

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Second Generation Leases

The following table sets forth the estimated costs of tenant improvements and leasing commissions, on a per square foot basis, that we are obligated to fulfill under the second generation industrial leases signed for our rental properties during the three and nine months ended September 30, 2019 and 2018:

	Square Feet of Leases (in thousands)		Percent of Expiring Leases Renewed				Average Term in Years		Estimated Tenant Improvement Cost per Square Foot		Leasing Costs per Square Foot
	2019	2018	2019		2018		2019	2018	2019	2018	2019	2018
Three Months
Consolidated - New Second Generation	984	556					5.5	5.2	$2.21	$2.04	$2.10	$1.64
Unconsolidated Joint Ventures - New Second Generation	49	38					10.2	5.5	$3.49	$3.58	$4.57	$2.27
Total - New Second Generation	1,033	594					5.7	5.2	$2.27	$2.13	$2.22	$1.68
Consolidated - Renewal	3,131	2,637	82.2	%	82.5	%	4.3	4.3	$0.46	$0.47	$1.14	$1.08
Unconsolidated Joint Ventures - Renewal	459	284	90.3	%	85.1	%	5.9	5.0	$0.95	$0.10	$2.29	$1.53
Total - Renewal	3,590	2,921	83.1	%	82.7	%	4.5	4.4	$0.52	$0.43	$1.29	$1.12
Nine Months
Consolidated - New Second Generation	1,841	3,879					5.7	6.3	$2.75	$1.62	$2.22	$1.82
Unconsolidated Joint Ventures - New Second Generation	165	215					7.2	8.5	$1.82	$2.24	$2.75	$2.91
Total - New Second Generation	2,006	4,094					5.8	6.4	$2.67	$1.65	$2.26	$1.88
Consolidated - Renewal	7,717	6,149	82.3	%	77.2	%	4.4	4.4	$0.71	$0.77	$1.30	$1.18
Unconsolidated Joint Ventures - Renewal	554	395	85.6	%	63.9	%	6.0	5.3	$0.92	$0.40	$2.32	$1.67
Total - Renewal	8,271	6,544	82.5	%	76.2	%	4.5	4.4	$0.72	$0.75	$1.37	$1.21

Growth in average annual net effective rents for new second generation and renewal leases, on a combined basis, for our consolidated and unconsolidated rental properties, is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
Ownership Type	2019		2018		2019		2018
Consolidated properties	22.5	%	27.4	%	25.0	%	25.0	%
Unconsolidated joint venture properties	44.9	%	33.8	%	38.2	%	33.8	%

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Lease Expirations

The table below reflects our consolidated in-service portfolio lease expiration schedule at September 30, 2019 (in thousands, except percentage data and number of leases):

	Total Consolidated Portfolio					Industrial				Non-reportable
Year of Expiration	Square Feet		Annual Rental Revenue*		Number of Leases	Square Feet		Annual Rental Revenue*		Square Feet		Annual Rental Revenue*
Remainder of 2019	816		$	4,676	14	816		$	4,676	—		$	—
2020	9,929		46,552		122	9,923		46,478		6		74
2021	12,085		57,071		137	12,085		57,071		—		—
2022	19,158		80,475		145	19,141		80,283		17		192
2023	13,035		65,408		137	13,019		65,187		16		221
2024	14,795		74,772		137	14,790		74,710		5		62
2025	12,148		60,201		76	12,148		60,201		—		—
2026	9,791		45,773		48	9,791		45,773		—		—
2027	6,729		29,901		22	6,729		29,901		—		—
2028	7,750		50,779		27	7,631		47,292		119		3,487
2029 and Thereafter	23,701		125,112		66	23,701		125,112		—		—
Total Leased	129,937		$	640,720	931	129,774		$	636,684	163		$	4,036
Total Portfolio Square Feet	135,307					135,096				211
Percent Leased	96.0	%				96.1	%			77.3	%
* Annualized rental revenue represents average annual base rental payments, on a straight-line basis for the term of each lease, from space leased to tenants at the end of the most recent reporting period. Annualized rental revenue excludes additional amounts paid by tenants as reimbursement for operating expenses.

Building Acquisitions

Our decision process in determining whether or not to acquire a property or portfolio of properties involves several factors, including expected rent growth, multiple yield metrics, property locations and expected demographic growth in each location, current occupancy of the properties, tenant profile and remaining terms of the in-place leases in the properties. We pursue both brokered and non-brokered acquisitions, and it is difficult to predict which markets may present acquisition opportunities that align with our strategy. Because of the numerous factors considered in our acquisition decisions, we do not establish specific target yields for future acquisitions.

We acquired four buildings during the nine months ended September 30, 2019, and nine buildings during the year ended December 31, 2018. The following table summarizes the acquisition price, percent leased at time of acquisition and in-place yields, by product type, for these acquisitions (in thousands, except percentage data):

	Year-to-Date 2019 Acquisitions						Full Year 2018 Acquisitions
Type	Acquisition Price*		In-Place Yield**		Percent Leased at Acquisition Date***		Acquisition Price*		In-Place Yield**		Percent Leased at Acquisition Date***
Industrial	$	149,361	3.9	%	82.7	%	$	352,617	4.2	%	100.0	%
* Includes fair value of real estate assets and net acquired lease-related intangible assets, including above or below market leases, but excludes other acquired working capital assets and liabilities.
** In-place yields of completed acquisitions are calculated as the current annualized net rental payments from space leased to tenants at the date of acquisition, divided by the acquisition price of the acquired real estate. Annualized net rental payments are comprised of base rental payments, excluding additional amounts payable by tenants as reimbursement for operating expenses, less current annualized operating expenses not recovered through tenant reimbursements.
*** Represents percentage of total square feet leased based on executed leases and without regard to whether the leases have commenced, at the date of acquisition.

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Building Dispositions

We regularly work to identify, consider and pursue opportunities to dispose of properties on an opportunistic basis and on a basis that is generally consistent with our strategic plans.

We sold 27 consolidated buildings during the nine months ended September 30, 2019 and 15 consolidated buildings during the year ended December 31, 2018. The following table summarizes the sales prices, in-place yields and percent leased, by product type, of these buildings (in thousands, except percentage data):

	Year-to-Date 2019 Dispositions						Full Year 2018 Dispositions
Type	Sales Price		In-Place Yield*		Percent Leased**		Sales Price		In-Place Yield*		Percent Leased**
Industrial	$	371,067	5.6	%	89.9	%	$	384,137	5.8	%	97.3	%
Non-reportable Rental Operations	—		—	%	—	%	121,077		4.2	%	80.1	%
Total	$	371,067	5.6	%	89.9	%	$	505,214	5.4	%	95.8	%
*   In-place yields of completed dispositions are calculated as annualized net operating income from space leased to tenants at the date of sale on a lease-up basis, including full rent from all executed leases, even if currently in a free rent period, divided by the sales price. Annualized net operating income is comprised of base rental payments, excluding reimbursement of operating expenses, less current annualized operating expenses not recovered through tenant reimbursements.
** Represents percentage of total square feet leased based on executed leases and without regard to whether the leases have commenced, at the date of sale.

Development

At September 30, 2019, we had 7.2 million square feet of property under development with total estimated costs upon completion of $933.8 million compared to 10.6 million square feet with total estimated costs upon completion of $893.1 million at September 30, 2018. The square footage and estimated costs include both consolidated properties and unconsolidated joint venture development activity at 100%.

The following table summarizes our properties under development at September 30, 2019 (in thousands, except percentage data): 

Ownership Type	Square Feet	Percent Leased		Total Estimated Project Costs		Total Incurred to Date		Amount Remaining to be Spent
Consolidated properties	7,023	45	%	$	925,607	$	448,789	$	476,818
Unconsolidated joint venture properties	133	100	%	8,181		348		7,833
Total	7,156	46	%	$	933,788	$	449,137	$	484,651

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Results of Operations

A summary of our operating results and property statistics is as follows (in thousands, except number of properties and per share or Common Unit data):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Rental and related revenue from continuing operations	$	215,374	$	196,912	$	638,446	$	582,461
General contractor and service fee revenue	25,955		34,986		104,838		94,552
Operating income	248,402		69,827		409,844		378,130
General Partner
Net income attributable to common shareholders	$	226,566	$	53,025	$	342,170	$	319,833
Weighted average common shares outstanding	362,416		357,898		360,424		357,235
Weighted average common shares and potential dilutive securities	367,271		361,410		365,343		362,745
Partnership
Net income attributable to common unitholders	$	228,534	$	53,520	$	345,141	$	322,835
Weighted average Common Units outstanding	365,558		361,200		363,542		360,585
Weighted average Common Units and potential dilutive securities	367,271		361,410		365,343		362,745
General Partner and Partnership
Basic income per common share or Common Unit:
Continuing operations	$	0.62	$	0.15	$	0.95	$	0.88
Discontinued operations	$	—	$	—	$	—	$	0.01
Diluted income per common share or Common Unit:
Continuing operations	$	0.62	$	0.15	$	0.94	$	0.88
Discontinued operations	$	—	$	—	$	—	$	0.01
Number of in-service consolidated properties at end of period:	457		455		457		455
In-service consolidated square footage at end of period	135,307		130,734		135,307		130,734
Number of in-service unconsolidated joint venture properties at end of period	40		41		40		41
In-service unconsolidated joint venture square footage at end of period	12,656		11,583		12,656		11,583

Supplemental Performance Measures

In addition to net income computed in accordance with GAAP, we assess and measure the overall operating results of the General Partner and the Partnership using certain non-GAAP supplemental performance measures, which include (i) Funds From Operations ("FFO"), (ii) PNOI and (iii) Same-Property Net Operating Income - Cash Basis ("SPNOI").

These non-GAAP metrics are commonly used by industry analysts and investors as supplemental operating performance measures of REITs and are viewed by management to be useful indicators of operating performance. Historical cost accounting for real estate assets in accordance with GAAP implicitly assumes that the value of real estate assets diminishes predictably over time. Since real estate values instead have historically risen or fallen with market conditions, many industry analysts and investors have considered presentation of operating results for real estate companies that use historical cost accounting to be insufficient by themselves. Management believes that the use of FFO, PNOI and SPNOI, combined with net income (which remains the primary measure of performance), improves the understanding of operating results of REITs among the investing public and makes comparisons of REIT operating results more meaningful.

The most comparable GAAP measure to FFO is net income (loss) attributable to common shareholders or common unitholders, while the most comparable GAAP measure to PNOI and SPNOI is income (loss) from continuing operations before income taxes.

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FFO, PNOI and SPNOI each exclude expenses that materially impact our overall results of operations and, therefore, should not be considered as a substitute for net income (loss) attributable to common shareholders or common unitholders, income (loss) from continuing operations before income taxes, or any other measures derived in accordance with GAAP. Furthermore, these metrics may not be comparable to other similarly titled measures of other companies.

Funds From Operations

The National Association of Real Estate Investment Trusts ("NAREIT") created FFO as a non-GAAP supplemental measure of REIT operating performance. FFO, as defined by NAREIT, represents GAAP net income (loss), excluding gains or losses from sales of real estate assets (including real estate assets incidental to our business) and related taxes, gains and losses from change in control, impairment charges related to real estate assets (including real estate assets incidental to our business) plus certain non-cash items such as real estate asset depreciation and amortization, and after similar adjustments for unconsolidated partnerships and joint ventures. We calculate FFO in accordance with the definition that was adopted by the Board of Governors of NAREIT.

Management believes that the use of FFO as a performance measure enables investors and analysts to readily identify the operating results of the long-term assets that form the core of a REIT's activity and assists them in comparing these operating results between periods or between different companies that use the NAREIT definition of FFO.

The following table shows a reconciliation of net income attributable to common shareholders or common unitholders to the calculation of FFO attributable to common shareholders or common unitholders (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Net income attributable to common shareholders of the General Partner	$	226,566		$	53,025		$	342,170		$	319,833
Add back: Net income attributable to noncontrolling interests - common limited partnership interests in the Partnership	1,968			495			2,971			3,002
Net income attributable to common unitholders of the Partnership	228,534			53,520			345,141			322,835
Adjustments:
Depreciation and amortization	83,924			78,855			242,920			232,216
Company share of unconsolidated joint venture depreciation, amortization and other adjustments	2,858			2,367			7,628			6,647
Gain on sale of properties	(173,758		)	(29		)	(204,441		)	(197,898		)
Gain on land sales	(3,869		)	(3,915		)	(6,569		)	(7,221		)
Income tax (benefit) expense triggered by sales of real estate assets	(536		)	(897		)	6,465			9,495
Gains on sales of real estate assets - share of unconsolidated joint ventures	(332		)	(2,008		)	(4,859		)	(8,186		)
FFO attributable to common unitholders of the Partnership	$	136,821		$	127,893		$	386,285		$	357,888
Additional General Partner Adjustments:
Net income attributable to noncontrolling interests - common limited partnership interests in the Partnership	(1,968		)	(495		)	(2,971		)	(3,002		)
Noncontrolling interest share of adjustments	788			(680		)	(353		)	(326		)
FFO attributable to common shareholders of the General Partner	$	135,641		$	126,718		$	382,961		$	354,560

Property-Level Net Operating Income - Cash Basis

PNOI is comprised of rental revenues from continuing operations less rental expenses and real estate taxes from continuing operations, along with certain other adjusting items. As a performance metric that consists of only the cash-based revenues and expenses directly related to ongoing real estate rental operations, PNOI is narrower in scope than NAREIT FFO.

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PNOI, as we calculate it, may not be directly comparable to similarly titled, but differently calculated, measures for other REITs. We believe that PNOI is another useful supplemental performance measure, as it is an input in many REIT valuation models and it provides a means by which to evaluate the performance of the properties within our Rental Operations segments. The operations of our industrial properties, as well as our non-reportable Rental Operations (our residual non-industrial properties that have not yet been sold, referred to throughout as "non-reportable"), are collectively referred to as "Rental Operations."

The major factors influencing PNOI are occupancy levels, acquisitions and sales, development properties that achieve stabilized operations, rental rate increases or decreases, and the recoverability of operating expenses.

Note 11 to the consolidated financial statements included in Part I, Item 1 of this Report shows a calculation of our PNOI for the three and nine months ended September 30, 2019 and 2018 and provides a reconciliation of PNOI for our Rental Operations segments to income from continuing operations before income taxes.

Same Property Net Operating Income - Cash Basis

We also evaluate the performance of our properties, including our share of properties we jointly control, on a "same property" basis, using a metric referred to as SPNOI. We view SPNOI as a useful supplemental performance measure because it improves comparability between periods by eliminating the effects of changes in the composition of our portfolio.

On an individual property basis, SPNOI is generally computed in a consistent manner as PNOI.

Effective January 1, 2018, we define our "same property" population once a year at the beginning of the current calendar year and include buildings that were stabilized (the term "stabilized" means properties that have reached 90% leased or that have been in-service for at least one year since development completion or acquisition) as of January 1 of the prior calendar year. The "same property" pool is also adjusted to remove properties that were sold subsequent to the beginning of the current calendar year. As such, the "same property" population for the period ended September 30, 2019 includes all properties that we owned or jointly controlled at January 1, 2019, which had both been owned or jointly controlled and had reached stabilization by January 1, 2018, and have not been sold.

A reconciliation of income from continuing operations before income taxes to SPNOI is presented as follows (in thousands, except percentage data):

	Three Months Ended September 30,						Percent		Nine Months Ended September 30,						Percent
	2019			2018			Change		2019			2018			Change
Income from continuing operations before income taxes	$	227,883		$	52,405				$	351,221		$	329,072
Share of SPNOI from unconsolidated joint ventures	4,277			4,063					12,696			12,014
PNOI excluded from the "same property" population	(25,717		)	(14,074		)			(69,386		)	(33,762		)
Earnings from Service Operations	(2,315		)	(1,256		)			(5,423		)	(5,160		)
Rental Operations revenues and expenses excluded from PNOI	(11,563		)	(12,019		)			(34,610		)	(43,259		)
Non-Segment Items	(61,216		)	98,638					137,881			115,021
SPNOI	$	131,349		$	127,757		2.8	%	$	392,379		$	373,926		4.9	%

The composition of the line items titled "Rental Operations revenues and expenses excluded from PNOI" and "Non-Segment Items" from the table above are shown in greater detail in Note 11 to the consolidated financial statements included in Part I, Item 1 of this Report.

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We believe that the factors that impact SPNOI are generally the same as those that impact PNOI. The following table details the number of properties, square feet, average commencement occupancy and average cash rental rates for the properties included in SPNOI for the respective periods:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
Number of properties	424	424	424	424
Square feet (in thousands) (1)	115,893	115,893	115,893	115,893
Average commencement occupancy percentage (2)	98.3%	98.9%	98.6%	98.3%
Average rental rate - cash basis (3)	$4.56	$4.42	$4.53	$4.40
(1) Includes the total square feet of the consolidated properties that are in the "same property" population as well as 4.5 million square feet of space for unconsolidated joint ventures, which represents our ratable share of the 9.1 million total square feet of space for buildings owned by unconsolidated joint ventures that are in the "same property" population.
(2) Commencement occupancy represents the percentage of total square feet where the leases have commenced.
(3) Represents the average annualized contractual rent per square foot for tenants in occupancy in properties in the "same property" population. Cash rent does not include the tenant's obligation to pay property operating expenses and real estate taxes. If a tenant was within a free rent period, its rent would equal zero for purposes of this metric.

Comparison of Three Months Ended September 30, 2019 to Three Months Ended September 30, 2018

Rental and Related Revenue

The following table sets forth rental and related revenue from continuing and discontinued operations (in thousands): 

	Three Months Ended September 30,
	2019		2018
Rental and related revenue:
Industrial	$	213,819	$	194,922
Non-reportable Rental Operations and non-segment revenues	1,555		1,990
Total rental and related revenue from continuing operations	$	215,374	$	196,912
Rental and related revenue from discontinued operations	—		85
Total rental and related revenue from continuing and discontinued operations	$	215,374	$	196,997

The primary reasons for the increase in rental and related revenue from continuing operations were:

• We acquired 13 properties and placed 35 developments in service from January 1, 2018 to September 30, 2019, which provided incremental revenues from continuing operations of $16.7 million during the three months ended September 30, 2019, as compared to the same period in 2018.

• Increases in rental rates within our "same property" portfolio, as well as the lease up of properties that were placed in service prior to January 1, 2018 but were not in the "same property" portfolio, also contributed to the increase to rental and related revenue from continuing operations.

• The sale of 42 in-service properties since January 1, 2018, which did not meet the criteria to be classified within discontinued operations, resulted in a decrease of $2.7 million to rental and related revenue from continuing operations in the three months ended September 30, 2019, as compared to the same period in 2018, which partially offset the aforementioned increases to rental and related revenue from continuing operations.

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Rental Expenses and Real Estate Taxes

The following table sets forth rental expenses and real estate taxes from continuing operations (in thousands):

	Three Months Ended September 30,
	2019		2018
Rental expenses:
Industrial	$	18,928	$	15,692
Non-reportable Rental Operations and non-segment expenses	230		1,576
Total rental expenses from continuing operations	$	19,158	$	17,268
Real estate taxes:
Industrial	$	31,503	$	30,681
Non-reportable Rental Operations and non-segment expenses	236		834
Total real estate tax expense from continuing operations	$	31,739	$	31,515

Rental expenses from continuing operations increased by $1.9 million during the three months ended September 30, 2019, compared to the same period in 2018. The increase to rental expenses was primarily the result of acquisitions and developments placed in service from January 1, 2018 to September 30, 2019, partially offset by the impact of property sales that did not meet the criteria to be classified within discontinued operations.

Real estate tax expense from continuing operations increased by $224,000 during the three months ended September 30, 2019, compared to the same period in 2018. The increase to real estate tax expense was mainly the result of acquisitions and developments placed in service from January 1, 2018 to September 30, 2019, partially offset by the impact of the adoption of ASC 842, for certain tenants that pay real estate taxes directly to taxing authorities, and the impact of property sales that did not meet the criteria to be classified within discontinued operations.

Depreciation and Amortization

Depreciation and amortization expense from continuing operations was $83.9 million and $78.9 million for the three months ended September 30, 2019 and 2018, respectively. The increase in depreciation and amortization expense for the three months ended September 30, 2019 was mainly the result of continued growth in our portfolio through development and acquisition.

Gain on Sale of Properties - Continuing Operations

The $173.6 million recognized as gain on sale of properties in continuing operations for the three months ended September 30, 2019 was primarily the result of the sale of 26 properties that did not meet the criteria for inclusion in discontinued operations.

There were no sales of consolidated properties during the three months ended September 30, 2018.

Non-Incremental Costs Related to Successful Leases

As the result of adoption of the new lease standard on January 1, 2019 (see Note 2 to the consolidated financial statements included in Part I, Item 1 of this Report), $1.1 million of non-incremental costs related to successful leases were expensed for the three months ended September 30, 2019. As we have adopted the standard on a prospective basis, there was no adjustment to non-incremental costs previously capitalized for the three months ended September 30, 2018.

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General and Administrative Expenses

General and administrative expenses consist of two components. The first component includes general corporate expenses, and the second component represents the indirect operating costs not allocated to, or absorbed by, either the development, leasing and operation of our consolidated properties or our Service Operations. Such indirect operating costs are primarily comprised of employee compensation, including related costs such as benefits and wage-related taxes, but also include other ancillary costs such as travel and information technology support. Total indirect operating costs, prior to any allocation or absorption, and general corporate expenses are collectively referred to as our overall pool of overhead costs.

Those indirect costs not allocated to or absorbed by these operations are charged to general and administrative expenses. We regularly review our total overhead cost structure relative to our leasing, development and construction volume and adjust the level of total overhead, generally through changes in our level of staffing in various functional departments, as necessary, in order to control overall general and administrative expense.

General and administrative expenses were $13.7 million and $9.0 million for the three months ended September 30, 2019 and 2018, respectively. The following table sets forth the factors that led to the increased general and administrative expenses (in millions):

General and administrative expenses - three months ended September 30, 2018	$	9.0
Decrease to overall pool of overhead costs	(0.8		)
Decreased absorption of costs by consolidated leasing and development activities (1)	5.8
Increased allocation of costs to Service Operations and Rental Operations	(0.3		)
General and administrative expenses - three months ended September 30, 2019	$	13.7

(1) We capitalized $900,000 and $5.8 million of our total overhead costs to leasing and development, respectively, for consolidated properties during the three months ended September 30, 2019, compared to capitalizing $1.8 million and $11.9 million of such costs, respectively, for the three months ended September 30, 2018. Combined overhead costs capitalized to leasing and development totaled 22.5% and 44.8% of our overall pool of overhead costs for the three months ended September 30, 2019 and 2018, respectively. The decrease in overhead costs capitalized to leasing was primarily due to $1.1 million of previously capitalizable internal costs that were immediately expensed due to the adoption of ASC 842 (see Note 2 to the consolidated financial statements included in Part I, Item 1 of this Report) and presented separately in the line item "Non-Incremental Costs Related to Successful Leases" on the Consolidated Statements of Operations.

Interest Expense

Interest expense allocable to continuing operations was $22.6 million and $21.5 million for the three months ended September 30, 2019 and 2018, respectively. The increase in interest expense from continuing operations for the three months ended September 30, 2019 was primarily due to increased overall borrowings, partially offset by lower average interest rates.

We capitalized $6.2 million and $6.5 million of interest costs for the three months ended September 30, 2019 and 2018, respectively.

Discontinued Operations

The property-specific components of earnings that are classified as discontinued operations include rental revenues, rental expenses, real estate taxes, allocated interest expense and depreciation expense, as well as the net gain or loss on the disposition of the properties.

We had no buildings classified as discontinued operations for the three months ended September 30, 2019 and 2018. The amounts classified in discontinued operations for the three months ended September 30, 2019 and 2018 were comprised of true-up activity related to properties sold in previous years that were classified as discontinued operations. 

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Comparison of Nine Months Ended September 30, 2019 to Nine Months Ended September 30, 2018

Rental and Related Revenue

The following table sets forth rental and related revenue from continuing and discontinued operations (in thousands): 

	Nine Months Ended September 30,
	2019		2018
Rental and related revenue:
Industrial	$	633,226	$	574,866
Non-reportable Rental Operations and non-segment revenues	5,220		7,595
Total rental and related revenue from continuing operations	$	638,446	$	582,461
Rental and related revenue from discontinued operations	—		117
Total rental and related revenue from continuing and discontinued operations	$	638,446	$	582,578

The following factors contributed to the increase in rental and related revenue from continuing operations:

• We acquired 13 properties and placed 35 developments in service from January 1, 2018 to September 30, 2019, which provided incremental revenues from continuing operations of $49.7 million in the nine months ended September 30, 2019, as compared to the same period in 2018.

• Increased occupancy and rental rates within our "same property" portfolio, as well as the lease up of properties that were placed in service prior to January 1, 2018 but were not in the "same property" portfolio, also contributed to the increase to rental and related revenue from continuing operations. Average commencement occupancy and rental rates in our "same property" portfolio both increased from the nine months ended September 30, 2018.

• The sale of 42 in-service properties, since January 1, 2018, which did not meet the criteria for inclusion within discontinued operations, resulted in a decrease of $13.5 million to rental and related revenue from continuing operations in the nine months ended September 30, 2019, as compared to the same period in 2018, which partially offset the aforementioned increases to rental and related revenue from continuing operations.

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Rental Expenses and Real Estate Taxes

The following table sets forth rental expenses and real estate taxes from continuing and discontinued operations (in thousands):

	Nine Months Ended September 30,
	2019		2018
Rental expenses:
Industrial	$	56,339	$	49,675
Non-reportable Rental Operations and non-segment expenses	1,084		3,883
Total rental expenses from continuing operations	$	57,423	$	53,558
Rental expenses from discontinued operations	—		(8		)
Total rental expenses from continuing and discontinued operations	$	57,423	$	53,550
Real estate taxes:
Industrial	$	96,031	$	91,720
Non-reportable Rental Operations and non-segment expenses	525		2,137
Total real estate tax expense from continuing operations	$	96,556	$	93,857
Real estate tax expense from discontinued operations	—		17
Total real estate tax expense from continuing and discontinued operations	$	96,556	$	93,874

Overall, rental expenses from continuing operations increased by $3.9 million in the nine months ended September 30, 2019, compared to the same period in 2018. The increase to rental expenses from continuing operations was primarily the result of acquisitions and developments placed in service from January 1, 2018 to September 30, 2019, partially offset by the impact of property sales that did not meet the criteria to be classified within discontinued operations.

Overall, real estate tax expense from continuing operations increased by $2.7 million in the nine months ended September 30, 2019, compared to the same period in 2018. The increase to real estate tax expense was mainly the result of acquisitions and developments placed in service from January 1, 2018 to September 30, 2019 and increased real estate taxes levied by the related taxing authority. The increases were partially offset by the impact of the adoption of ASC 842, for certain tenants that pay real estate taxes directly to taxing authorities, and the impact of property sales that did not meet the criteria to be classified within discontinued operations.

Depreciation and Amortization

Depreciation and amortization expense was $242.9 million and $232.2 million for the nine months ended September 30, 2019 and 2018, respectively. The increase in depreciation and amortization expense for the nine months ended September 30, 2019 was mainly the result of continued growth in our portfolio through development and acquisition.

Equity in Earnings of Unconsolidated Joint Ventures

Equity in earnings of unconsolidated joint ventures represents our ownership share of net income from investments in unconsolidated joint ventures that generally own and operate rental properties. Equity in earnings from unconsolidated joint ventures was $12.6 million and $15.5 million for the nine months ended September 30, 2019 and 2018, respectively. The decrease in equity in earnings from unconsolidated joint ventures for the nine months ended September 30, 2019 was primarily due to the timing of property dispositions within certain of our unconsolidated joint ventures.

Gain on Sale of Properties - Continuing Operations

The $204.1 million recognized as gain on sale of properties in continuing operations for the nine months ended September 30, 2019 was primarily the result of the sale of 27 properties that did not meet the criteria for inclusion in discontinued operations.

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The $194.7 million recognized as gain on sale of properties in continuing operations for the nine months ended September 30, 2018 was primarily comprised of the gains from the sale of 13 properties that did not meet the criteria for inclusion in discontinued operations.

Non-Incremental Costs Related to Successful Leases

As the result of adoption of the new lease standard on January 1, 2019 (see Note 2 to the consolidated financial statements included in Part I, Item 1 of this Report), $6.7 million of non-incremental costs related to successful leases were expensed for the nine months ended September 30, 2019. As we have adopted the standard on a prospective basis, there was no adjustment to non-incremental costs previously capitalized for the nine months ended September 30, 2018.

General and Administrative Expense

General and administrative expenses were $49.1 million and $43.4 million for the nine months ended September 30, 2019 and 2018, respectively. The following table sets forth the factors that led to the increased general and administrative expenses (in millions):

General and administrative expenses - nine months ended September 30, 2018	$	43.4
Decrease to overall pool of overhead costs	(5.3		)
Decreased absorption of costs by consolidated leasing and development activities (1)	11.1
Increased allocation of costs to Service Operations and Rental Operations	(0.1		)
General and administrative expenses - nine months ended September 30, 2019	$	49.1

(1) We capitalized $4.1 million and $16.8 million of our total overhead costs to leasing and development, respectively, for consolidated properties during the nine months ended September 30, 2019, compared to capitalizing $14.9 million and $23.9 million of such costs, respectively, for the nine months ended September 30, 2018. Combined overhead costs capitalized to leasing and development totaled 29.0% and 36.2% of our overall pool of overhead costs for the nine months ended September 30, 2019 and 2018, respectively. The decrease in overhead costs capitalized to leasing was primarily due to lower leasing activity as well as $6.7 million of previously capitalizable internal costs that were immediately expensed due to the adoption of ASC 842 (see Note 2 to the consolidated financial statements included in Part I, Item 1 of this Report) and presented separately in the line item "Non-Incremental Costs Related to Successful Leases" on the Consolidated Statements of Operations.

Interest Expense

Interest expense allocable to continuing operations was $68.2 million and $62.1 million for the nine months ended September 30, 2019 and 2018, respectively. The increase in interest expense from continuing operations for the nine months ended September 30, 2019 was primarily due to increased overall borrowings, partially offset by lower average interest rates.

We capitalized $19.1 million and $21.8 million of interest costs during the nine months ended September 30, 2019 and 2018, respectively.

Discontinued Operations

We had no buildings classified as discontinued operations for the nine months ended September 30, 2019 and 2018. The amounts classified in discontinued operations for the nine months ended September 30, 2019 and 2018 were comprised of true-up activity related to properties sold in previous years that were classified as discontinued operations. 

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Liquidity and Capital Resources

Sources of Liquidity

We expect to meet our short-term liquidity requirements over the next 12 months including payments of dividends and distributions and the capital expenditures needed to maintain our current real estate assets, primarily through working capital and net cash provided by operating activities. We had no outstanding borrowings on the Partnership's $1.20 billion unsecured line of credit, had $121.2 million of cash on hand and held $119.2 million of restricted cash for future like kind exchange transactions at September 30, 2019.

In addition to our existing sources of liquidity, we expect to meet long-term liquidity requirements, such as scheduled mortgage and unsecured debt maturities, property acquisitions, financing of development activities and other capital improvements, through multiple sources of capital including operating cash flow, proceeds from property dispositions and accessing the public debt and equity markets. At September 30, 2019, we also held $110.0 million of notes receivable from the various entities that purchased our medical office properties in 2017, as part of the Medical Office Portfolio Disposition, which are scheduled to mature in January 2020.

Rental Operations

Cash flows from Rental Operations is our primary source of liquidity and provides a stable source of cash flow to fund operational expenses. We believe that this cash-based revenue stream is substantially aligned with revenue recognition (except for items such as periodic straight-line rental income accruals and amortization of above or below market rents) as cash receipts from the leasing of rental properties are generally received in advance of, or a short time following, the actual revenue recognition.

We are subject to a number of risks related to general economic conditions, including reduced occupancy, tenant defaults and bankruptcies and potential reduction in rental rates upon renewal or re-letting of properties, any of which would result in reduced cash flow from operations.

Unsecured Debt and Equity Securities

We use the Partnership's unsecured line of credit (which is guaranteed by the General Partner) as a temporary source of capital to fund development activities, acquire additional rental properties and provide working capital.

In August 2019, we issued $175.0 million of senior unsecured notes, which bear interest at a stated interest rate of 3.38%, have an effective interest rate of 2.80%, and mature on December 15, 2027, for gross proceeds of $182.3 million.

The Partnership has issued debt securities pursuant to certain indentures and related supplemental indentures, which also require us to comply with financial ratios and other covenants regarding our operations. We were in compliance with all such covenants, as well as applicable covenants under our unsecured line of credit, at September 30, 2019.

In 2017, the Alternative Reference Rates Committee ("ARRC") proposed that the Secured Overnight Funding Rate ("SOFR") replace LIBOR. Also ARRC proposed that the transition to SOFR from LIBOR take place by the end of 2021. As the Partnership's unsecured line of credit agreement has provisions that allow for automatic transition to a new rate, the Partnership has no other material debt arrangements that are indexed to LIBOR, and all of our outstanding interest rate swaps will have matured by end of 2019, we believe that the transition will not have a material impact on our consolidated financial statements.

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At September 30, 2019, we had on file with the SEC an automatic shelf registration statement on Form S-3 relating to the offer and sale, from time to time, of an indeterminate amount of debt and equity securities (including guarantees of the Partnership's debt securities by the General Partner). Equity securities are offered and sold by the General Partner, and the net proceeds of such offerings are contributed to the Partnership in exchange for additional General Partner Units or Preferred Units. From time to time, we expect to issue additional securities under this automatic shelf registration statement to fund the repayment of long-term debt upon maturity and for other general corporate purposes.

On August 1, 2019, the General Partner and the Partnership terminated the equity distribution agreement for the ATM equity program with an aggregate offering price of up to $200.0 million. On August 2, 2019, the General Partner and the Partnership entered into a new equity distribution agreement to sell shares of the General Partner’s common stock, $0.01 par value per share, from time to time, up to an aggregate offering price of $400.0 million. During the nine months ended September 30, 2019, the General Partner issued 1.8 million common shares pursuant to its previous ATM equity program, resulting in net proceeds of $56.3 million after paying total compensation of $568,000 to the applicable sales agents. During the nine months ended September 30, 2019, the General Partner also issued 4.8 million shares pursuant to its current ATM equity program, resulting in net proceeds of $159.6 million after paying total compensation of $1.6 million to the applicable sales agents. Other fees related to these issuances, totaling $283,000, were also paid during the nine months ended September 30, 2019. These issuances resulted in net proceeds of $215.6 million under both ATM programs during the nine months ended September 30, 2019.

Sale of Real Estate Assets

We regularly work to identify, consider and pursue opportunities to dispose of non-strategic properties on an opportunistic basis and on a basis that is generally consistent with our strategic plans. Our ability to dispose of such properties on favorable terms, or at all, is dependent upon a number of factors including the availability of credit to potential buyers to purchase properties at prices that we consider acceptable. Although we believe that we have demonstrated our ability to generate significant liquidity through the disposition of non-strategic properties, potential future adverse changes to general market and economic conditions could negatively impact our further ability to dispose of such properties.

Sales of land and depreciable properties provided $379.8 million and $434.6 million in net proceeds during the nine months ended September 30, 2019 and 2018, respectively.

Transactions with Unconsolidated Joint Ventures

Transactions with unconsolidated joint ventures also provide a source of liquidity. From time to time we will sell properties to unconsolidated joint ventures, while retaining a continuing interest in that entity, and receive proceeds commensurate to those interests that we do not own. Additionally, unconsolidated joint ventures will from time to time obtain debt financing or sell properties and will then distribute to us, and our joint venture partners, all or a portion of the proceeds from such transactions. During the nine months ended September 30, 2019 and 2018, our share of sale and capital distributions from unconsolidated joint ventures totaled $2.7 million and $19.2 million, respectively.

Uses of Liquidity

Our principal uses of liquidity include the following:

• property investment;

• leasing/capital costs;

• dividends and distributions to shareholders and unitholders;

• long-term debt maturities;

• opportunistic repurchases of outstanding debt; and

• other contractual obligations.

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Property Investment

Our overall strategy is to continue to increase our investment in quality industrial properties, primarily through development, on both a speculative and build-to-suit basis, supplemented with acquisitions in higher barrier markets with the highest growth potential. Pursuant to this strategy, we evaluate development and acquisition opportunities based upon our market outlook, including general economic conditions, supply and long-term growth potential. Our ability to make future property investments is dependent upon identifying suitable acquisition and development opportunities, and our continued access to our longer-term sources of liquidity, including issuances of debt or equity securities as well as generating cash flow by disposing of selected properties.

Leasing/Capital Costs

Tenant improvements and lease-related costs pertaining to our initial leasing of newly completed space, or vacant space in acquired properties, are referred to as first generation expenditures. Such first generation expenditures for tenant improvements are included within "development of real estate investments" in our Consolidated Statements of Cash Flows, while such expenditures for capitalizable lease-related costs are included within "other deferred leasing costs."

Cash expenditures related to the construction of a building's shell, as well as the associated site improvements, are also included within "development of real estate investments" in our Consolidated Statements of Cash Flows.

Tenant improvements and leasing costs to renew or re-let rental space that we previously leased to tenants for new second generation leases are referred to as second generation expenditures. Building improvements that are not specific to any tenant but serve to improve integral components of our real estate properties are also second generation expenditures. One of the principal uses of our liquidity is to fund the second generation leasing/capital expenditures of our real estate investments.

The following table summarizes our second generation capital expenditures by type of expenditure, as well as capital expenditures for the development of real estate investments and for other deferred leasing costs (in thousands):

	Nine Months Ended September 30,
	2019		2018
Second generation tenant improvements	$	9,837	$	13,213
Second generation leasing costs	15,478		18,411
Building improvements	6,329		2,687
Total second generation capital expenditures	$	31,644	$	34,311
Development of real estate investments	$	325,825	$	459,513
Other deferred leasing costs	$	28,551	$	27,691

The capital expenditures in the table above include the capitalization of internal overhead costs. We capitalized $4.1 million and $14.9 million of overhead costs related to leasing activities, including both first and second generation leases, during the nine months ended September 30, 2019 and 2018, respectively. We capitalized $16.8 million and $23.9 million of overhead costs related to development activities, including both development and tenant improvement projects on first and second generation space, during the nine months ended September 30, 2019 and 2018, respectively. Combined overhead costs capitalized to leasing and development totaled 29.0% and 36.2% of our overall pool of overhead costs for the nine months ended September 30, 2019 and 2018, respectively. The decrease in the overhead costs capitalized to leasing for the nine months ended September 30, 2019 was primarily due to lower leasing activity and the expense impact of internal costs related to successful leasing which was not capitalizable as a result of the adoption of the new lease standard on January 1, 2019 (see Note 2 to the consolidated financial statements included in Part I, Item 1 of this Report) and was included in the line item "Non-Incremental Costs Related to Successful Leases" on the Consolidated Statement of Operations and Comprehensive Income for the nine months ended September 30, 2019.

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Further discussion of the capitalization of overhead costs can be found herein, in the quarter-to-quarter and year-to-year comparisons of general and administrative expenses of this Item 2 as well as in the Critical Accounting Policies section of Management's Discussion and Analysis of Financial Condition and Results of Operations in our 2018 Annual Report.

In addition to the capitalization of overhead costs, the totals for development of real estate assets in the table above include the capitalization of $19.1 million and $21.8 million of interest costs during the nine months ended September 30, 2019 and 2018, respectively.

Both our first and second generation expenditures vary significantly between leases on a per square foot basis, dependent upon several factors including the product type, the nature of a tenant's operations, the specific physical characteristics of each individual property and the market in which the property is located.

Dividend and Distribution Requirements

The General Partner is required to meet the distribution requirements of the Code in order to maintain its REIT status. We paid regular dividends or distributions of $0.215 per common share or Common Unit in the first, second and third quarters of 2019, and the General Partner's board of directors declared dividends or distributions of $0.235 per common share or Common Unit for the fourth quarter of 2019.

We expect to continue to distribute at least an amount equal to our taxable earnings, to meet the requirements to maintain the General Partner's REIT status, and additional amounts as determined by the General Partner's board of directors. Distributions are declared at the discretion of the General Partner's board of directors and are subject to actual cash available for distribution, our financial condition, capital requirements and such other factors as the General Partner's board of directors deems relevant.

Debt Maturities

Debt outstanding at September 30, 2019 had a face value totaling $2.78 billion with a weighted average interest rate of 3.87% and maturities at various dates through 2028. Of this total amount, we had $2.75 billion of unsecured debt, $35.0 million of secured debt and no outstanding borrowings on our unsecured line of credit at September 30, 2019. Scheduled principal amortization, maturities and early repayments of such debt totaled $74.7 million for the nine months ended September 30, 2019.

The following table is a summary of the scheduled future amortization and maturities of our indebtedness at September 30, 2019 (in thousands, except percentage data):

 

	Future Repayments
Year	Scheduled Amortization		Maturities		Total		Weighted Average Interest Rate of Future Repayments
Remainder of 2019	$	863	$	—	$	863	5.98	%
2020	3,883		—		3,883		5.63	%
2021	3,416		259,047		262,463		3.99	%
2022	3,611		600,000		603,611		4.20	%
2023	3,817		250,000		253,817		3.75	%
2024	4,036		300,000		304,036		3.92	%
2025	3,938		—		3,938		5.58	%
2026	2,029		375,000		377,029		3.37	%
2027	358		475,000		475,358		3.18	%
2028	—		500,000		500,000		4.45	%
Thereafter	—		—		—		N/A
	$	25,951	$	2,759,047	$	2,784,998	3.87	%

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We anticipate generating capital to fund our debt maturities by using undistributed cash generated from our Rental Operations and property dispositions and by raising additional capital from future debt or equity transactions.

On October 24, 2019, we redeemed $250.0 million of unsecured notes that were scheduled to mature in February 2021.

Repayments of Outstanding Debt

To the extent that it supports our overall capital strategy, we may purchase or redeem some of our outstanding unsecured notes prior to their stated maturities.

During the nine months ended September 30, 2019, we repaid three fixed rate secured loans, totaling $41.7 million, which had a weighted average stated interest rate of 7.76%.

Contractual Obligations

Aside from repayments of long-term debt and the issuance of the $175.0 million of senior unsecured notes described above, there have been no other material changes in our outstanding commitments since December 31, 2018, as previously discussed in our 2018 Annual Report.

Historical Cash Flows

Cash, cash equivalents and restricted cash were $250.5 million and $272.8 million at September 30, 2019 and 2018, respectively. The following table highlights significant changes in net cash associated with our operating, investing and financing activities (in millions): 

	Nine Months Ended September 30,
	2019			2018
General Partner
Net cash provided by operating activities	$	404.1		$	371.6
Net cash used for investing activities	$	(243.8	)	$	(329.6	)
Net cash provided by financing activities	$	64.8		$	37.1
Partnership
Net cash provided by operating activities	$	404.1		$	371.6
Net cash used for investing activities	$	(243.8	)	$	(329.6	)
Net cash provided by financing activities	$	64.8		$	37.1

Operating Activities

Cash flows from operating activities provide the cash necessary to meet our operational requirements and the receipt of rental income from Rental Operations continues to be our primary source of operating cash flows. The increase to net cash provided by operating activities, compared to the nine months ended September 30, 2018, was due to the timing of cash receipts on third party construction projects as well as increased cash flows from our Rental Operations.

Investing Activities

Highlights of significant cash sources and uses are as follows:

• During the nine months ended September 30, 2019, we paid cash of $146.6 million and $223.5 million, respectively, for real estate and undeveloped land acquisitions, compared to $208.9 million and $194.2 million, respectively, for real estate and undeveloped land acquisitions in the same period in 2018.

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• Real estate development costs were $325.8 million during the nine months ended September 30, 2019, compared to $459.5 million for the same period in 2018.

• Sales of land and depreciated properties provided $379.8 million in net proceeds for the nine months ended September 30, 2019, compared to $434.6 million for the same period in 2018.

• During the nine months ended September 30, 2019, we received repayments of $145.0 million on notes receivable from property sales, compared to $149.9 million of repayments of notes receivable from property sales for the same period in 2018.

• Second generation tenant improvements, leasing costs and building improvements totaled $31.6 million for the nine months ended September 30, 2019 compared to $34.3 million for the same period in 2018.

• For the nine months ended September 30, 2019, we received $2.7 million capital distributions from unconsolidated joint ventures, compared to $19.2 million received during the same period in 2018, primarily related to our share of distributions from the sale of properties owned by unconsolidated joint ventures.

• For the nine months ended September 30, 2019, we made capital contributions of $6.0 million to unconsolidated joint ventures, compared to $2.7 million during the same period in 2018.

Financing Activities

The following items highlight significant capital transactions:

• During the nine months ended September 30, 2019, the General Partner issued 6.6 million common shares pursuant to its ATM equity programs for net proceeds of $215.6 million, compared to 990,400 common shares for net proceeds of $28.4 million during the nine months ended September 30, 2018.

• During the nine months ended September 30, 2019, the Partnership repaid three secured loans for $41.7 million. The Partnership repaid three secured loans for $227.1 million during the same period in 2018.

• For the nine months ended September 30, 2019, we repaid $30.0 million of net borrowings on the Partnership's unsecured line of credit. There were no net borrowings or repayments on the Partnership's unsecured line of credit for the same period in 2018.

• During the nine months ended September 30, 2019, the Partnership issued $175.0 million of senior unsecured notes, which bear interest at a stated interest rate of 3.38%, have an effective interest rate of 2.8% and mature on December 15, 2027, for gross proceeds of $182.3 million. We issued $450.0 million of senior unsecured notes during the nine months ended September 30, 2018.

• We paid regular cash dividends totaling $232.3 million and $214.5 million for the nine months ended September 30, 2019 and 2018, respectively.

• Changes in book cash overdrafts are classified as financing activities within our Consolidated Statements of Cash Flows. Book cash overdrafts were $59.1 million at September 30, 2018. We did not have any book cash overdrafts at September 30, 2019.

• During the nine months ended September 30, 2019 we paid off a special assessment bond for $9.9 million which was reflected within Other Financing Activities on our Consolidated Statements of Cash Flows. We did not make similar significant repayments during the nine months ended September 30, 2018.

Off Balance Sheet Arrangements - Investments in Unconsolidated Joint Ventures

We analyze our investments in unconsolidated joint ventures to determine if they meet the criteria for classification as a VIE and would require consolidation. We (i) evaluate the sufficiency of the total equity at risk, (ii) review the voting rights and decision-making authority of the equity investment holders as a group and whether there are limited partners (or similar owning entities) that lack substantive participating or kick out rights and (iii) establish whether or not activities within the venture are on behalf of an investor with disproportionately few voting rights in making this VIE determination. To the extent that we (i) are the sole entity that has the power to direct the activities of the VIE and (ii) have the obligation or rights to absorb the VIE's losses or receive its benefits, then we would be determined to be the primary beneficiary of the VIE and would consolidate it. At the end of each reporting period,

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we re-assess our conclusions as to which, if any, party within the VIE is considered the primary beneficiary. To the extent that our joint ventures do not qualify as VIEs, we further assess each joint venture partner's substantive participating rights to determine if the venture should be consolidated. There were no unconsolidated joint ventures that met the criteria to be a VIE at September 30, 2019.

We have equity interests in unconsolidated partnerships and limited liability companies that primarily own and operate rental properties and hold land for development. These unconsolidated joint ventures are primarily engaged in the operation and development of industrial real estate properties. These investments provide us with increased market share and tenant and property diversification. The equity method of accounting is used for these investments in which we have the ability to exercise significant influence, but not control, over operating and financial policies. As a result, the assets and liabilities of these entities are not included on our balance sheet. Our investments in and advances to unconsolidated joint ventures represented approximately 1% of our total assets at September 30, 2019 and December 31, 2018. Total assets of our unconsolidated joint ventures were $486.1 million and $489.5 million at September 30, 2019 and December 31, 2018, respectively. The combined revenues of our unconsolidated joint ventures totaled $45.8 million and $45.2 million for the nine months ended September 30, 2019 and 2018, respectively.

We have guaranteed the repayment of certain secured and unsecured loans of our unconsolidated joint ventures. The outstanding balances on the guaranteed portion of these loans totaled $160.1 million and $110.9 million at September 30, 2019 and 2018, respectively.

Item 3.    Quantitative and Qualitative Disclosures About Market Risk

We are exposed to interest rate changes primarily as a result of our line of credit and our long-term borrowings. Our interest rate risk management objective is to limit the impact of interest rate changes on earnings and cash flows and to lower overall borrowing costs. To achieve our objectives, we borrow primarily at fixed rates and may enter into derivative financial instruments such as interest rate swaps, from time to time, in order to mitigate our interest rate risk. We do not enter into derivative or interest rate transactions for speculative purposes.

Our interest rate risk is monitored using a variety of techniques. The table below provides information about our financial instruments that are sensitive to changes in interest rates, including long-term debt and interest rate swaps. For long-term debt, the table presents the principal amounts (in thousands) of the expected annual maturities, weighted average interest rates for the average debt outstanding in the specified period and fair values (in thousands). For interest rate swaps, the table presents notional amount and fair value (in thousands).

	Remainder of 2019			2020			2021			2022			2023			Thereafter			Face Value			Fair Value
Long-Term Debt:
Fixed rate secured debt	$	863		$	3,583		$	12,163		$	3,311		$	3,517		$	9,661		$	33,098		$	35,723
Weighted average interest rate	5.98		%	5.98		%	5.73		%	6.06		%	6.06		%	6.07		%	5.93		%
Variable rate secured debt	$	—		$	300		$	300		$	300		$	300		$	700		$	1,900		$	1,900
Weighted average interest rate	N/A			1.52		%	1.52		%	1.52		%	1.52		%	1.52		%	1.52		%
Fixed rate unsecured debt	$	—		$	—		$	250,000		$	600,000		$	250,000		$	1,650,000		$	2,750,000		$	2,897,713
Weighted average interest rate	N/A			N/A			3.91		%	4.20		%	3.72		%	3.73		%	3.85		%
Interest Rate Swaps:
Fixed to variable	$	350,000		$	—		$	—		$	—		$	—		$	—		$	350,000		$	(42,104	)

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Following the end of the period covered by this Report, on October 24, 2019, we redeemed $250.0 million of unsecured notes that were scheduled to mature in February 2021.

As the above table incorporates only those exposures that existed at September 30, 2019, it does not consider those exposures or positions that could arise after that date. As a result, the ultimate impact of interest rate fluctuations will depend on future exposures that arise, our hedging strategies at that time, to the extent we are party to interest rate derivatives, and interest rates. Interest expense on our unsecured line of credit, to the extent we have outstanding borrowings, will be affected by fluctuations in the LIBOR indices or applicable replacement rates as well as changes in our credit rating. The interest rate at such point in the future as we may renew, extend or replace our unsecured line of credit will be heavily dependent upon the state of the credit environment.

As of September 30, 2019, we held an aggregate $350.0 million notional amount of five forward-starting interest rate swaps with a weighted average pay rate of 2.87% to hedge interest rates on an anticipated debt offering in late 2019. The fair value of these swaps was $42.1 million in a liability position at September 30, 2019.

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Item 4.    Controls and Procedures

Controls and Procedures (General Partner)

(a) Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms. These disclosure controls and procedures are further designed to ensure that such information is accumulated and communicated to management, including the Chief Executive Officer and the Chief Financial Officer, to allow timely decisions regarding required disclosure.

We carried out an evaluation, under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Exchange Act Rules 13a-15 and 15d-15. Based upon the foregoing, the Chief Executive Officer and the Chief Financial Officer concluded that, as of the end of the period covered by this Report, our disclosure controls and procedures were effective.

(b) Changes in Internal Control over Financial Reporting

Other than as noted below, there have been no changes in our internal control over financial reporting during the period covered by this Report that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

In August 2019, the General Partner completed implementation of the first phase of a new enterprise resource planning (ERP) system, which is designed to replace certain internal financial and operating systems. In connection with the ERP implementation, in August 2019, we updated the processes and controls that comprise our internal control over financial reporting, as necessary, to accommodate related changes to our accounting procedures and business processes.

Controls and Procedures (Partnership)

(a) Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms. These disclosure controls and procedures are further designed to ensure that such information is accumulated and communicated to management, including the General Partner's Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosure.

We carried out an evaluation, under the supervision and with the participation of management, including the General Partner's Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Exchange Act Rules 13a-15 and 15d-15. Based upon the foregoing, the General Partner's Chief Executive Officer and Chief Financial Officer concluded that, as of the end of the period covered by this Report, our disclosure controls and procedures were effective.

(b) Changes in Internal Control over Financial Reporting

Other than as noted below, there have been no changes in our internal control over financial reporting during the period covered by this Report that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

50

In August 2019, the Partnership completed implementation of the first phase of a new enterprise resource planning (ERP) system, which is designed to replace certain internal financial and operating systems. In connection with the ERP implementation, in August 2019, we updated the processes and controls that comprise our internal control over financial reporting, as necessary, to accommodate related changes to our accounting procedures and business processes.

51

Part II - Other Information

Item 1. Legal Proceedings

From time to time, we are parties to a variety of legal proceedings and claims arising in the ordinary course of our businesses. While these matters generally are covered by insurance, there is no assurance that our insurance will cover any particular proceeding or claim. We are not subject to any material pending legal proceedings other than routine litigation arising in the ordinary course of business. We presently believe that all of the proceedings to which we were subject as of September 30, 2019, taken as a whole, will not have a material adverse effect on our liquidity, business, financial condition or results of operations.

Item 1A. Risk Factors

In addition to the information set forth in this Report, you also should carefully review and consider the information contained in our other reports and periodic filings that we make with the SEC, including, without limitation the information contained under the caption "Item 1A. Risk Factors" in our 2018 Annual Report. The risks and uncertainties described in our 2018 Annual Report are not the only risks that we face. Additional risks and uncertainties not currently known to us, or that we presently deem to be immaterial, also may materially adversely affect our business, financial condition and results of operations. There have not been any material changes to the risk factors that we face since our 2018 Annual Report.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

(a) Unregistered Sales of Equity Securities

None

(b) Use of Proceeds

None

(c) Issuer Purchases of Equity Securities

From time to time, we repurchase our securities under a repurchase program that initially was approved by the General Partner's board of directors and publicly announced in October 2001 (the "Repurchase Program").

On January 30, 2019, the General Partner's board of directors adopted a resolution that amended and restated the Repurchase Program and delegated authority to management to repurchase a maximum of $300.0 million of the General Partner's common shares, $500.0 million of the Partnership's debt securities and $500.0 million of the General Partner's preferred shares, subject to the prior notification of the Chairman of the Finance Committee of the board of directors of planned repurchases within these limits. We did not repurchase any equity securities through the Repurchase Program during the three months ended September 30, 2019.

Item 3. Defaults upon Senior Securities

During the period covered by this Report, we did not default under the terms of any of our material indebtedness.

Item 4. Mine Safety Disclosures

Not applicable. 

Item 5. Other Information

During the period covered by this Report, there was no information required to be disclosed by us in a Current Report on Form 8-K that was not so reported, nor were there any material changes to the procedures by which our security holders may recommend nominees to the General Partner's board of directors.

Item 6. Exhibits

(a) Exhibits

3.1	Sixth Amended and Restated Articles of Incorporation of the General Partner (filed as Exhibit 3.1 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on January 5, 2015, and incorporated herein by this reference).
3.2	Fifth Amended and Restated Bylaws of the General Partner (filed as Exhibit 3.1 to the General Partner's Current Report on Form 8-K as filed with the SEC on October 26, 2017, and incorporated herein by this reference).
3.3	Certificate of Limited Partnership of the Partnership, dated September 17, 1993 (filed as Exhibit 3.1(i) to the Partnership's Annual Report on Form 10-K for the year ended December 31, 2006 as filed with the SEC on March 13, 2007, and incorporated herein by this reference) (File No. 000-20625).
3.4 (i)	Fifth Amended and Restated Agreement of Limited Partnership of the Partnership (filed as Exhibit 3.2 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on May 5, 2014, and incorporated herein by this reference).
3.4 (ii)	First Amendment to Fifth Amended and Restated Agreement of Limited Partnership of the Partnership (filed as Exhibit 3.2 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on August 6, 2014, and incorporated herein by this reference).
3.4 (iii)	Second Amendment to Fifth Amended and Restated Agreement of Limited Partnership of the Partnership (filed as Exhibit 3.2 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on December 16, 2014, and incorporated herein by this reference).
3.4 (iv)	Third Amendment to Fifth Amended and Restated Agreement of Limited Partnership of the Partnership (filed as Exhibit 3.2 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on January 5, 2015, and incorporated herein by this reference).
3.4 (v)	Fourth Amendment to Fifth Amended and Restated Agreement of Limited Partnership of the Partnership (filed as Exhibit 3.1 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on January 29, 2015, and incorporated herein by this reference).
3.4 (vi)	Fifth Amendment to Fifth Amended and Restated Agreement of Limited Partnership of the Partnership (filed as Exhibit 3.1 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on October 25, 2018, and incorporated herein by this reference).
10.1	Equity Distribution Agreement, dated August 2, 2019, by and among the General Partner, the Partnership, BTIG LLC, Citigroup Global Markets Inc., Jefferies LLC, Morgan Stanley & Co. LLC, Regions Securities LLC, SunTrust Robinson Humphrey, Inc., UBS Securities LLC, and Wells Fargo Securities, LLC (filed as Exhibit 1.1 to the combined Current Report on Form 8-K of the General Partner and the Partnership as filed with the SEC on August 2, 2019, and incorporated herein by this reference).
11.1	Statement Regarding Computation of Earnings.***
31.1	Rule 13a-14(a) Certification of the Chief Executive Officer of the General Partner.*
31.2	Rule 13a-14(a) Certification of the Chief Financial Officer of the General Partner.*
31.3	Rule 13a-14(a) Certification of the Chief Executive Officer for the Partnership.*
31.4	Rule 13a-14(a) Certification of the Chief Financial Officer for the Partnership.*
32.1	Section 1350 Certification of the Chief Executive Officer of the General Partner.**
32.2	Section 1350 Certification of the Chief Financial Officer of the General Partner.**
32.3	Section 1350 Certification of the Chief Executive Officer for the Partnership.**
32.4	Section 1350 Certification of the Chief Financial Officer for the Partnership.**
101.Def	Definition Linkbase Document
101.Pre	Presentation Linkbase Document
101.Lab	Labels Linkbase Document
101.Cal	Calculation Linkbase Document
101.Sch	Schema Document
101.Ins	Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
104	Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101)

52

* Filed herewith.

** The certifications attached as Exhibits 32.1, 32.2, 32.3 and 32.4 accompany this Quarterly Report on Form 10-Q and are "furnished" to the Securities and Exchange Commission pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not be deemed "filed" by the General Partner or the Partnership, respectively, for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

*** Data required by Financial Accounting Standards Board Auditing Standards Codification No. 260 is provided in Note 10 to the Consolidated Financial Statements included in this Report.

53

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

DUKE REALTY CORPORATION

/s/ James B. Connor

James B. Connor

Chairman and Chief Executive Officer

/s/ Mark A. Denien

Mark A. Denien

Executive Vice President and Chief Financial Officer

		DUKE REALTY LIMITED PARTNERSHIP
		By: DUKE REALTY CORPORATION, its general partner
		/s/ James B. Connor
		James B. Connor
		Chairman and Chief Executive Officer of the General Partner
		/s/ Mark A. Denien
		Mark A. Denien
		Executive Vice President and Chief Financial Officer of the General Partner
Date:	November 1, 2019

54

EX-31.1

EXHIBIT 31.1

DUKE REALTY CORPORATION

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER

I, James B. Connor, certify that:

1 I have reviewed this Quarterly Report on Form 10-Q of Duke Realty Corporation;

2 Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3 Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4 The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5 The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 1, 2019

/s/ James B. Connor

James B. Connor

Chairman and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

DUKE REALTY CORPORATION

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER

I, Mark A. Denien, certify that:

1 I have reviewed this Quarterly Report on Form 10-Q of Duke Realty Corporation;

2 Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3 Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4 The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5 The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 1, 2019

/s/ Mark A. Denien

Mark A. Denien

Executive Vice President and Chief Financial Officer

EX-31.3

EXHIBIT 31.3

DUKE REALTY LIMITED PARTNERSHIP

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER

I, James B. Connor, certify that:

1 I have reviewed this Quarterly Report on Form 10-Q of Duke Realty Limited Partnership;

2 Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3 Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4 The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5 The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 1, 2019

/s/ James B. Connor

James B. Connor

Chairman and Chief Executive Officer of the General Partner

EX-31.4

EXHIBIT 31.4

DUKE REALTY LIMITED PARTNERSHIP

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER

I, Mark A. Denien, certify that:

1 I have reviewed this Quarterly Report on Form 10-Q of Duke Realty Limited Partnership;

2 Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3 Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4 The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5 The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 1, 2019

/s/ Mark A. Denien

Mark A. Denien

Executive Vice President and Chief Financial Officer of the General Partner

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Duke Realty Corporation (the “General Partner”) on Form 10-Q for the quarter ending September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James B. Connor, Chairman and Chief Executive Officer of the General Partner, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the General Partner.

/s/ James B. Connor
James B. Connor
Chairman and Chief Executive Officer
Date:	November 1, 2019

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Duke Realty Corporation, and will be retained by Duke Realty Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Duke Realty Corporation (the “General Partner”) on Form 10-Q for the quarter ending September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark A. Denien, Executive Vice President and Chief Financial Officer of the General Partner, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the General Partner.

/s/ Mark A. Denien
Mark A. Denien
Executive Vice President and Chief Financial Officer
Date:	November 1, 2019

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Duke Realty Corporation, and will be retained by Duke Realty Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.3

EXHIBIT 32.3

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Duke Realty Limited Partnership (the “Partnership”) on Form 10-Q for the quarter ending September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James B. Connor, Chairman and Chief Executive Officer of Duke Realty Corporation, the general partner of the Partnership (the “General Partner”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

/s/ James B. Connor
James B. Connor
Chairman and Chief Executive Officer of the General Partner
Date:	November 1, 2019

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Duke Realty Limited Partnership, and will be retained by Duke Realty Limited Partnership and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.4

EXHIBIT 32.4

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Duke Realty Limited Partnership (the “Partnership”) on Form 10-Q for the quarter ending September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark A. Denien, Executive Vice President and Chief Financial Officer of Duke Realty Corporation, the general partner of the Partnership (the “General Partner”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

/s/ Mark A. Denien
Mark A. Denien
Executive Vice President and Chief Financial Officer of the General Partner
Date:	November 1, 2019

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Duke Realty Limited Partnership, and will be retained by Duke Realty Limited Partnership and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Subsequent Events (Tables)

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Schedule of Dividends Declared

The General Partner's board of directors declared the following dividends/distributions at its regularly scheduled board meeting held on October 30, 2019:

Class of stock/units	Quarterly Amount per Share or Unit	Record Date	Payment Date
Common - Quarterly	$0.235	November 14, 2019	November 29, 2019

XML

Variable Interest Entities (Balances Related to Joint Ventures) (Details) $ in Millions	Sep. 30, 2019 USD ($)
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]
Maximum Guarantee Exposure for Joint Venture Loans	$ 160.1

XML

Acquisitions and Dispositions Dispositions (Details) $ in Thousands	1 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Dispositions Disclosures [Line Items]
Payments to Acquire Real Estate		$ 146,632	$ 208,914
Proceeds from Sale of Real Estate Held-for-investment		379,774	434,584
Number of Real Estate Properties Sold	18
Proceeds from Sale of Productive Assets	$ 217,500
Gain (Loss) on Sale of Properties	$ 146,300	211,010	$ 205,119
Square Feet of Properties Sold	4,100,000
Proceeds from Collection of Notes Receivable		$ 145,000

XML

Related Party Transactions

9 Months Ended

Sep. 30, 2019

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

We provide property management, asset management, leasing, construction and other tenant-related services to unconsolidated joint ventures in which we have equity interests. We recorded the corresponding fees based on contractual terms that approximate market rates for these types of services and have eliminated our ownership percentage of these fees in the consolidated financial statements. The following table summarizes the fees earned from these joint ventures, prior to the elimination of our ownership percentage (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Management fees	$	452	$	462	$	1,318	$	1,359
Leasing fees	759		430		1,315		1,622
Construction and development fees	582		1,128		4,520		2,804

XML

Variable Interest Entities

9 Months Ended

Sep. 30, 2019

Disclosure Text Block [Abstract]

Consolidation Policy for VIEs

Variable Interest Entities

Partnership

Due to the fact that the Limited Partners do not have kick out rights, or substantive participating rights, the Partnership is a variable interest entity ("VIE"). Because the General Partner holds majority ownership and exercises control over every aspect of the Partnership's operations, the General Partner has been determined as the primary beneficiary and, therefore, consolidates the Partnership.

The assets and liabilities of the General Partner and the Partnership are substantially the same, as the General Partner does not have any significant assets other than its investment in the Partnership. All of the Company's debt is an obligation of the Partnership.

Joint Ventures

We have equity interests in unconsolidated joint ventures that primarily own and operate rental properties or hold land for development. We consolidate those joint ventures that are considered to be VIEs where we are the primary beneficiary. We analyze our investments in joint ventures to determine if the joint venture is considered a VIE and would require consolidation. We (i) evaluate the sufficiency of the total equity investment at risk, (ii) review the voting rights and decision-making authority of the equity investment holders as a group and whether there are limited partners (or similar owning entities) that lack substantive participating or kick out rights and (iii) establish whether or not activities within the venture are on behalf of an investor with disproportionately few voting rights in making this VIE determination.

To the extent that we own interests in a VIE and we (i) are the sole entity that has the power to direct the activities of the VIE and (ii) have the obligation or rights to absorb the VIE's losses or receive its benefits, then we would be determined to be the primary beneficiary and would consolidate the VIE. To the extent we own interests in a VIE, then at each reporting period, we re-assess our conclusions as to which, if any, party within the VIE is considered the primary beneficiary. Consolidated joint ventures that are VIEs are not significant in any period presented in these consolidated financial statements.

To the extent that our joint ventures do not qualify as VIEs, they are consolidated if we control them through majority ownership interests or if we are the managing entity (general partner or managing member) and the other partner does not have substantive participating rights. Control is further demonstrated by our ability to unilaterally make significant operating decisions, refinance debt and sell the assets of the joint venture without the consent of the non-managing entity and the inability of the non-managing entity to remove us from our role as the managing entity. Consolidated joint ventures that are not VIEs are not significant in any period presented in these consolidated financial statements.

There were no unconsolidated joint ventures, in which we have any recognized assets or liabilities or have retained any economic exposure to loss at September 30, 2019, that met the criteria to be considered VIEs. Our maximum loss exposure for guarantees of unconsolidated joint venture indebtedness, none of which relate to VIEs, totaled $160.1 million at September 30, 2019.

XML

Real Estate Assets, Discontinued Operations and Assets Held for Sale (Aggregate Balance Sheet of Properties Held for Sale Included in Discontinued Operations) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($) buildings	Dec. 31, 2018 USD ($)
Held for Sale Assets in Continuing and Discontinued Operations
Continuing Operations, Number of In-service Properties Held for Sale | buildings	1
Total assets held-for-sale	$ 23,739	$ 1,082
Total liabilities held-for-sale	2,515	0
Continuing Operations [Member]
Held for Sale Assets in Continuing and Discontinued Operations
Land and Land Improvements Held-for-Sale	1,268	0
Buildings and Tenant Improvements Held-for-Sale	26,879	0
Inventory, Land Held-for-sale	0	1,966
Accumulated Depreciation of Assets Held-for-Sale	(7,931)	(884)
Deferred leasing and other costs, net	3,057	0
Other assets	466	0
Total assets held-for-sale	23,739	1,082
Disposal Group, Including Discontinued Operation, Accrued Liabilities	761	0
Disposal Group, Including Discontinued Operation, Other Liabilities	1,754	0
Total liabilities held-for-sale	$ 2,515	$ 0

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Real Estate Assets, Discontinued Operations and Assets Held for Sale Real Estate Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Real Estate Assets [Abstract]
Investment Building and Building Improvements	$ 5,224,690	$ 4,980,003
Land and Land Improvements	2,466,953	2,268,343
Real Estate Assets	$ 7,691,643	$ 7,248,346

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Indebtedness Secured Debt (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	2.80%
Repayments of Secured Debt	$ 44,652	$ 231,070
Fixed Rate Secured Debt [Member]
Debt Instrument [Line Items]
Repayments of Secured Debt	$ 41,700
Debt Instrument, Interest Rate, Stated Percentage	7.76%
Minimum [Member] | Fixed Rate Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	3.10%
Maximum [Member] | Fixed Rate Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	3.40%

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Related Party Transactions (Schedule of Fees Earned from Related Parties) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Management Fees [Member]
Revenue from related party transactions	$ 452	$ 462	$ 1,318	$ 1,359
Leasing Fees [Member]
Revenue from related party transactions	759	430	1,315	1,622
Construction and Development Fees [Member]
Revenue from related party transactions	$ 582	$ 1,128	$ 4,520	$ 2,804

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Segment Reporting (Summary of Net Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement [Line Items]
Straight-line rental income and expense, net			$ 15,627	$ 16,763
Equity in earnings of unconsolidated joint ventures	$ 3,736	$ 5,552	12,594	15,521
Interest expense	(22,604)	(21,462)	(68,246)	(62,137)
Depreciation and amortization expense	(83,924)	(78,855)	(242,920)	(232,216)
Gain on sale of properties	173,646	(107)	204,075	194,741
Interest and other income, net	2,085	4,129	7,377	13,319
General and administrative expenses	(13,720)	(8,959)	(49,123)	(43,441)
Gain on land sales	3,869	3,915	6,569	7,221
Other operating expenses	(874)	(1,104)	(4,515)	(3,902)
Loss on extinguishment of debt	0	(89)	(13)	(240)
Gain on involuntary conversion	0	0	2,259	0
Non-incremental costs related to successful leases	1,123	0	6,726	0
Income from continuing operations before income taxes	227,883	52,405	351,221	329,072
Operating Segments [Member]
Statement [Line Items]
Property Level Net Operating Income – Cash Basis	152,789	137,768	449,069	395,674
Property Level Net Income, Cash Basis, Continuing Operations	155,908	143,314	461,843	420,342
Operating Segments [Member] | Industrial [Member]
Statement [Line Items]
Property Level Net Operating Income – Cash Basis	151,906	136,456	446,446	391,645
Operating Segments [Member] | All Other Segments [Member]
Statement [Line Items]
Property Level Net Operating Income – Cash Basis	883	1,312	2,623	4,029
Operating Segments [Member] | Service Operations [Member]
Statement [Line Items]
Earnings from Service Operations	2,315	1,256	5,423	5,160
Segment Reconciling Items [Member]
Statement [Line Items]
PNOI from sold properties included in continuing operations	3,119	5,546	12,774	24,668
Straight-line rental income and expense, net	5,537	5,832	16,003	16,763
Revenues Related to Lease Buyouts	1,089	0	1,108	23
Amortization of lease concessions and above and below market rents	1,741	593	4,545	1,599
Intercompany rents and other adjusting items	77	48	180	206
Corporate, Non-Segment [Member]
Statement [Line Items]
Equity in earnings of unconsolidated joint ventures	3,736	5,552	12,594	15,521
Interest expense	(22,604)	(21,462)	(68,246)	(62,137)
Depreciation and amortization expense	(83,924)	(78,855)	(242,920)	(232,216)
Gain on sale of properties	173,646	(107)	204,075	194,741
Interest and other income, net	2,085	4,129	7,377	13,319
General and administrative expenses	(13,720)	(8,959)	(49,123)	(43,441)
Gain on land sales	3,869	3,915	6,569	7,221
Other operating expenses	(874)	(1,104)	(4,515)	(3,902)
Loss on extinguishment of debt	0	(89)	(13)	(240)
Gain on involuntary conversion	0	0	2,259	0
Non-incremental costs related to successful leases	(1,123)	0	(6,726)	0
Other non-segment revenues and expenses, net	$ 125	$ (1,658)	$ 788	$ (3,887)

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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated

The following table shows the revenues for each of the reportable segments, as well as a reconciliation to consolidated revenues (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues
Rental Operations:
Industrial	$	213,819	$	194,922	$	633,226	$	574,866
Non-reportable Rental Operations	1,471		1,481		4,401		6,300
Service Operations	25,955		34,986		104,838		94,552
Total segment revenues	241,245		231,389		742,465		675,718
Other revenue	84		509		819		1,295
Consolidated revenue from continuing operations	241,329		231,898		743,284		677,013
Discontinued operations	—		85		—		117
Consolidated revenue	$	241,329	$	231,983	$	743,284	$	677,130

Summary of Net Operation Income

The following table shows a reconciliation of our segment-level measures of profitability to consolidated income from continuing operations before income taxes (in thousands and excluding discontinued operations): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
PNOI
Industrial	$	151,906		$	136,456		$	446,446		$	391,645
Non-reportable Rental Operations	883			1,312			2,623			4,029
PNOI, excluding all sold properties	152,789			137,768			449,069			395,674
PNOI from sold properties included in continuing operations	3,119			5,546			12,774			24,668
PNOI, continuing operations	$	155,908		$	143,314		$	461,843		$	420,342
Earnings from Service Operations	2,315			1,256			5,423			5,160
Rental Operations revenues and expenses excluded from PNOI:
Straight-line rental income and expense, net	5,537			5,832			16,003			16,763
Revenues related to lease buyouts	1,089			—			1,108			23
Amortization of lease concessions and above and below market rents	1,741			593			4,545			1,599
Intercompany rents and other adjusting items	77			48			180			206
Non-Segment Items:
Equity in earnings of unconsolidated joint ventures	3,736			5,552			12,594			15,521
Interest expense	(22,604		)	(21,462		)	(68,246		)	(62,137		)
Depreciation and amortization expense	(83,924		)	(78,855		)	(242,920		)	(232,216		)
Gain on sale of properties	173,646			(107		)	204,075			194,741
Interest and other income, net	2,085			4,129			7,377			13,319
General and administrative expenses	(13,720		)	(8,959		)	(49,123		)	(43,441		)
Gain on land sales	3,869			3,915			6,569			7,221
Other operating expenses	(874		)	(1,104		)	(4,515		)	(3,902		)
Loss on extinguishment of debt	—			(89		)	(13		)	(240		)
Gain on involuntary conversion	—			—			2,259			—
Non-incremental costs related to successful leases	(1,123		)	—			(6,726		)	—
Other non-segment revenues and expenses, net	125			(1,658		)	788			(3,887		)
Income from continuing operations before income taxes	$	227,883		$	52,405		$	351,221		$	329,072

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Acquisitions and Dispositions (Tables)

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes amounts recognized for each major class of assets (in thousands) for these acquisitions during the nine months ended September 30, 2019:

Real estate assets	$	140,030
Lease related intangible assets	9,331
Fair value of acquired net assets	$	149,361

Summary of Most Significant Assumptions Utilized in the Estimations [Table Text Block]

The most significant assumptions used in calculating the "as-if vacant" value for acquisition activity during the nine months ended September 30, 2019 are as follows: 

	Low	High
Exit capitalization rate	4.23%	5.26%
Net rental rate per square foot	$5.90	$15.60

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Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Distributions in Excess of Net Income [Member]	Non-controlling Interest [Member]	Duke Realty Limited Partnership [Member]	Duke Realty Limited Partnership [Member] Common Stock [Member]	Duke Realty Limited Partnership [Member] Limited Partners' Common Equity [Member]	Duke Realty Limited Partnership [Member] AOCI Attributable to Parent [Member]	Duke Realty Limited Partnership [Member] Non-controlling Interest [Member]	Duke Realty Limited Partnership [Member] Stockholders' Equity, Total [Member]
Beginning Balance - General Partner at Dec. 31, 2017	$ 4,574,378	$ 3,564	$ 5,205,316		$ (676,036)	$ 41,534
Beginning Balance - Partnership at Dec. 31, 2017							$ 4,574,378	$ 4,532,844	$ 40,563		$ 971	$ 4,573,407
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	322,842				319,833	3,009	322,842	319,833	3,002		7	322,835
Issuance of common shares	30,591	11	30,580
Capital contribution from the General Partner							30,591	30,591				30,591
Stock based compensation plan activity	10,122	7	2,633		(951)	8,433	10,122	1,689	8,433			10,122
Conversion of Limited Partner Units	0	1	1,966			(1,967)	0	1,967	(1,967)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	3,475					3,475	3,475				3,475
Distributions to Partners							(216,484)	(214,463)	(2,021)			(216,484)
Distributions to common shareholders	(214,463)				(214,463)
Distributions to noncontrolling interests	(2,021)					(2,021)
Ending Balance - General Partner at Sep. 30, 2018	4,724,924	3,583	5,240,495		(571,617)	52,463
Ending Balance - Partnership at Sep. 30, 2018							4,724,924	4,672,461	48,010		4,453	4,720,471
Beginning Balance - General Partner at Jun. 30, 2018	4,708,970	3,572	5,209,605		(552,685)	48,478
Beginning Balance - Partnership at Jun. 30, 2018							4,708,970	4,660,492	47,503		975	4,707,995
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	53,523				53,025	498	53,523	53,025	495		3	53,520
Issuance of common shares	29,215	10	29,205
Capital contribution from the General Partner							29,215	29,215				29,215
Stock based compensation plan activity	2,057	1	1,656		(301)	701	2,057	1,356	701			2,057
Conversion of Limited Partner Units	0	0	29			(29)	0	29	(29)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	3,475					3,475	3,475				3,475
Distributions to Partners							(72,316)	(71,656)	(660)			(72,316)
Distributions to common shareholders	(71,656)				(71,656)
Distributions to noncontrolling interests	(660)					(660)
Ending Balance - General Partner at Sep. 30, 2018	4,724,924	3,583	5,240,495		(571,617)	52,463
Ending Balance - Partnership at Sep. 30, 2018							4,724,924	4,672,461	48,010		4,453	4,720,471
Beginning Balance - General Partner at Dec. 31, 2018	4,713,243	3,589	5,244,375	$ (4,676)	(585,087)	55,042
Beginning Balance - Partnership at Dec. 31, 2018							4,713,243	4,662,877	50,585	$ (4,676)	4,457	4,708,786
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	345,122				342,170	2,952	345,122	342,170	2,971		(19)	345,141
Other Comprehensive Income (Loss), Net of Tax	(37,428)			(37,428)			(37,428)			(37,428)		(37,428)
Issuance of common shares	222,672	68	222,604
Capital contribution from the General Partner							222,672	222,672				222,672
Stock based compensation plan activity	11,850	6	5,531		(896)	7,209	11,850	4,641	7,209			11,850
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	312					312	312				312
Distributions to Partners							(234,352)	(232,323)	(2,029)			(234,352)
Distributions to common shareholders	(232,323)				(232,323)
Distributions to noncontrolling interests	(2,176)					(2,176)	(147)				(147)
Ending Balance - General Partner at Sep. 30, 2019	5,021,272	3,663	5,472,510	(42,104)	(476,136)	63,339
Ending Balance - Partnership at Sep. 30, 2019							5,021,272	5,000,037	58,736	(42,104)	4,603	5,016,669
Beginning Balance - General Partner at Jun. 30, 2019	4,702,121	3,606	5,290,382	(28,717)	(624,674)	61,524
Beginning Balance - Partnership at Jun. 30, 2019							4,702,121	4,669,314	56,910	(28,717)	4,614	4,697,507
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	228,531				226,566	1,965	228,531	226,566	1,968		(3)	228,534
Other Comprehensive Income (Loss), Net of Tax	(13,387)			(13,387)			(13,387)			(13,387)		(13,387)
Issuance of common shares	180,544	55	180,489
Capital contribution from the General Partner							180,544	180,544				180,544
Stock based compensation plan activity	1,920	2	1,639		(255)	534	1,920	1,386	534			1,920
Noncontrolling Interest, Increase from Subsidiary Equity Issuance							8
Distributions to Partners							(78,449)	(77,773)	(676)			(78,449)
Distributions to common shareholders	(77,773)				(77,773)
Distributions to noncontrolling interests	(684)					(684)					(8)
Ending Balance - General Partner at Sep. 30, 2019	$ 5,021,272	$ 3,663	$ 5,472,510	$ (42,104)	$ (476,136)	$ 63,339
Ending Balance - Partnership at Sep. 30, 2019							$ 5,021,272	$ 5,000,037	$ 58,736	$ (42,104)	$ 4,603	$ 5,016,669

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Document Period End Date	Sep. 30, 2019
ASSETS
Real Estate Assets	$ 7,691,643	$ 7,248,346
Construction in progress	469,218	477,162
Investments in and advances to unconsolidated joint ventures	110,815	110,795
Undeveloped land	307,973	360,816
Real estate investment property, at cost, total	8,579,649	8,197,119
Accumulated depreciation	(1,427,180)	(1,344,176)
Net real estate investments	7,152,469	6,852,943
Real estate investments and other assets held-for-sale	23,739	1,082
Cash and cash equivalents	121,233	17,901
Accounts receivable	20,449	14,254
Straight-line rent receivable	123,689	109,334
Receivables on construction contracts, including retentions	24,186	41,215
Deferred leasing and other costs, net of accumulated amortization	315,579	313,799
Restricted cash held in escrow for like kind exchange	119,240	0
Notes receivable from property sales	127,550	272,550
Other escrow deposits and other assets	234,820	180,946
Total Assets	8,262,954	7,804,024
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	34,896	79,563
Unsecured debt, net of deferred financing costs	2,732,686	2,548,938
Unsecured line of credit	0	30,000
Long-term debt, total	2,767,582	2,658,501
Liabilities related to real estate investments held-for-sale	2,515	0
Construction payables and amounts due subcontractors, including retentions	70,310	92,288
Accrued real estate taxes	85,684	73,358
Accrued interest	28,680	16,153
Other liabilities	242,744	205,433
Tenant security deposits and prepaid rents	44,167	45,048
Total Liabilities	3,241,682	3,090,781
Equity
Common shares	3,663	3,589
Additional paid-in capital	5,472,510	5,244,375
Accumulated Other Comprehensive Loss	(42,104)	(4,676)
Distributions in excess of net income	(476,136)	(585,087)
Total shareholders' equity	4,957,933	4,658,201
Noncontrolling interests	63,339	55,042
Total Equity	5,021,272	4,713,243
Total Liabilities and Equity	$ 8,262,954	7,804,024
Duke Realty Limited Partnership [Member]
Document Period End Date	Sep. 30, 2019
ASSETS
Real Estate Assets	$ 7,691,643	7,248,346
Construction in progress	469,218	477,162
Investments in and advances to unconsolidated joint ventures	110,815	110,795
Undeveloped land	307,973	360,816
Real estate investment property, at cost, total	8,579,649	8,197,119
Accumulated depreciation	(1,427,180)	(1,344,176)
Net real estate investments	7,152,469	6,852,943
Real estate investments and other assets held-for-sale	23,739	1,082
Cash and cash equivalents	121,233	17,901
Accounts receivable	20,449	14,254
Straight-line rent receivable	123,689	109,334
Receivables on construction contracts, including retentions	24,186	41,215
Deferred leasing and other costs, net of accumulated amortization	315,579	313,799
Restricted cash held in escrow for like kind exchange	119,240	0
Notes receivable from property sales	127,550	272,550
Other escrow deposits and other assets	234,820	180,946
Total Assets	8,262,954	7,804,024
LIABILITIES AND EQUITY
Secured debt, net of deferred financing costs	34,896	79,563
Unsecured debt, net of deferred financing costs	2,732,686	2,548,938
Unsecured line of credit	0	30,000
Long-term debt, total	2,767,582	2,658,501
Liabilities related to real estate investments held-for-sale	2,515	0
Construction payables and amounts due subcontractors, including retentions	70,310	92,288
Accrued real estate taxes	85,684	73,358
Accrued interest	28,680	16,153
Other liabilities	242,744	205,433
Tenant security deposits and prepaid rents	44,167	45,048
Total Liabilities	3,241,682	3,090,781
Equity
Common equity	5,000,037	4,662,877
Limited Partners' common equity	58,736	50,585
Accumulated Other Comprehensive Loss	(42,104)	(4,676)
Total partners' equity	5,016,669	4,708,786
Noncontrolling interests	4,603	4,457
Total Equity	5,021,272	4,713,243
Total Liabilities and Equity	$ 8,262,954	$ 7,804,024

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Financial Instruments (Notes)

9 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities Disclosure [Text Block]

Financial Instruments

We are exposed to capital market risk, such as changes in interest rates. In an effort to manage interest rate risk, we may enter into interest rate hedging arrangements from time to time. We do not utilize derivative financial instruments for trading or speculative purposes.

As of September 30, 2019 and December 31, 2018, the following forward-starting interest rate swaps designated as cash flow hedges (in thousands) were outstanding:

		Asset (Liability) Fair Value
Notional Amount		September 30, 2019			December 31, 2018
$	125,000	$	(16,630	)	$	(2,914	)
75,000		(9,993		)	(1,762		)
75,000		(7,914		)	—
50,000		(5,283		)	—
25,000		(2,284		)	—
$	350,000	$	(42,104	)	$	(4,676	)

We entered into these interest rate swap contracts to hedge our exposure to the changes in the interest rates on the debt issuances, meeting certain criteria, which occur between August 1, 2019 and December 31, 2020.

We determined the fair values of these interest rate swaps by using standard market conventions and techniques such as discounted cash flow analysis, option pricing models and termination cost at each balance sheet date. The inputs used to value these interest rate swaps fall within level 2 of the fair value hierarchy. We have recorded the fair values of our interest rate swap contracts, which totaled $42.1 million and $4.7 million as of September 30, 2019 and December 31, 2018, respectively, as liabilities, included in Other Liabilities and Accumulated Other Comprehensive Loss on our Consolidated Balance Sheets.

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Segment Reporting Summary of Revenues (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Segment Reporting, Revenue Reconciling Item [Line Items]
Number of Reportable Segments			2
Rental and related revenue	$ 215,374	$ 196,912	$ 638,446	$ 582,461
General contractor and service fee revenue	25,955	34,986	104,838	94,552
Revenues	241,329	231,898	743,284	677,013
Disposal Group, Including Discontinued Operation, Revenue	0	85	0	117
Total Revenues Including Revenues Related To Discontinued Operations	241,329	231,983	743,284	677,130
Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	241,245	231,389	742,465	675,718
Operating Segments [Member] | Industrial [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Rental and related revenue	213,819	194,922	633,226	574,866
Operating Segments [Member] | All Other Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Rental and related revenue	1,471	1,481	4,401	6,300
Operating Segments [Member] | Service Operations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
General contractor and service fee revenue	25,955	34,986	104,838	94,552
Corporate, Non-Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Rental and related revenue	84	509	819	1,295
Disposal Group, Including Discontinued Operation, Revenue	$ 0	$ 85	$ 0	$ 117

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Indebtedness (Summary of Book Value and Changes in Fair Value of Debt) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Book value	$ 2,767,582	$ 2,658,501
Fair value	2,935,336	2,662,401
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	175,000
Payments/Payoffs	(74,652)
Adjustments to fair value	172,587
Long-term Debt, Gross	2,785,071	2,684,801
Debt Issuance Costs, Net	17,489	26,300
Fixed Rate Secured Debt [Member]
Book value	33,171	77,601
Fair value	35,723	80,238
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	0
Payments/Payoffs	(44,352)
Adjustments to fair value	(163)
Variable Rate Secured Debt [Member]
Book value	1,900	2,200
Fair value	1,900	2,200
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	0
Payments/Payoffs	(300)
Adjustments to fair value	0
Unsecured Debt [Member]
Book value	2,750,000	2,575,000
Fair value	2,897,713	2,549,963
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	175,000
Payments/Payoffs	0
Adjustments to fair value	172,750
Unsecured Line of Credit DRLP [Member]
Book value	0	30,000
Fair value	0	$ 30,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	0
Payments/Payoffs	(30,000)
Adjustments to fair value	$ 0

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Shareholder's Equity (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Class of Stock [Line Items]
Common Stock, Par or Stated Value Per Share	$ 0.01		$ 0.01
Stock Issued During Period, Shares, New Issues	6.6
Proceeds from Issuance of Common Stock	$ 222,672	$ 30,591
Common Stock Value Authorized Under Stock Offering Program	400,000
At-the-market equity issuance [Member]
Class of Stock [Line Items]
Proceeds from Issuance of Common Stock	215,600
Gross Proceeds [Member] | At-the-market equity issuance [Member]
Class of Stock [Line Items]
Proceeds from Issuance of Common Stock	$ 218,100

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Indebtedness (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Fair Value, Liabilities Measured on a Recurring Basis, Disclosure Only

The following table summarizes the book value and changes in the fair value of our debt (in thousands):

	Book Value at 12/31/2018		Book Value at 9/30/2019		Fair Value at 12/31/2018		Issuances and Assumptions		Payments/Payoffs			Adjustments to Fair Value			Fair Value at 9/30/2019
Fixed rate secured debt	$	77,601	$	33,171	$	80,238	$	—	$	(44,352	)	$	(163	)	$	35,723
Variable rate secured debt	2,200		1,900		2,200		—		(300		)	—			1,900
Unsecured debt	2,575,000		2,750,000		2,549,963		175,000		—			172,750			2,897,713
Unsecured line of credit	30,000		—		30,000		—		(30,000		)	—			—
Total	$	2,684,801	$	2,785,071	$	2,662,401	$	175,000	$	(74,652	)	$	172,587		$	2,935,336
Less: Deferred financing costs	26,300		17,489
Total indebtedness as reported on the consolidated balance sheets	$	2,658,501	$	2,767,582

Unsecured Line of Credit

Our unsecured line of credit at September 30, 2019 is described as follows (in thousands):

Description	Borrowing Capacity		Maturity Date	Outstanding Balance at September 30, 2019
Unsecured Line of Credit - Partnership	$	1,200,000	January 30, 2022	$	—

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Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Distributions to common shareholders, per share	$ 0.215	$ 0.20	$ 0.645	$ 0.600
Duke Realty Limited Partnership [Member]
Distributions to Partners, per Common Unit	$ 0.215	$ 0.20	$ 0.645	$ 0.600

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Deferred leasing and other costs, accumulated amortization	$ 196,817	$ 200,744
Debt Issuance Costs, Net	$ 17,489	$ 26,300
Common shares, par value	$ 0.01	$ 0.01
Common shares, shares authorized	600,000,000	600,000,000
Common shares, shares issued	366,295,000	358,851,000
Common shares, shares outstanding	366,295,000	358,851,000
Duke Realty Limited Partnership [Member]
Deferred leasing and other costs, accumulated amortization	$ 196,817	$ 200,744
Common equity, General Partner Units issued	366,295,000	358,851,000
Common equity, General Partner Units outstanding	366,295,000	358,851,000
Limited Partner Units issued	3,141,000	2,920,000
Limited Partner Units outstanding	3,141,000	2,920,000
Secured Debt [Member]
Debt Issuance Costs, Net	$ 175	$ 238
Secured Debt [Member] | Duke Realty Limited Partnership [Member]
Debt Issuance Costs, Net	175	238
Unsecured Debt [Member]
Debt Issuance Costs, Net	17,314	26,062
Unsecured Debt [Member] | Duke Realty Limited Partnership [Member]
Debt Issuance Costs, Net	$ 17,314	$ 26,062

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Subsequent Events

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

Declaration of Dividends/Distributions

The General Partner's board of directors declared the following dividends/distributions at its regularly scheduled board meeting held on October 30, 2019:

Class of stock/units	Quarterly Amount per Share or Unit	Record Date	Payment Date
Common - Quarterly	$0.235	November 14, 2019	November 29, 2019

Redemption of Unsecured Notes

On October 24, 2019, we redeemed $250.0 million of unsecured notes that were scheduled to mature in February 2021. We paid a prepayment premium of approximately $6.0 million in connection with the redemption of these notes.

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Real Estate Assets, Discontinued Operations and Assets Held for Sale (Tables)

9 Months Ended

Sep. 30, 2019

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Real Estate Properties [Table Text Block]

Real estate assets, excluding assets held-for-sale, consisted of the following (in thousands):

	September 30, 2019		December 31, 2018
Buildings and tenant improvements	$	5,224,690	$	4,980,003
Land and improvements	2,466,953		2,268,343
Real estate assets	$	7,691,643	$	7,248,346

Table Illustration of Number of Properties in Discontinued Operations

The following table illustrates the number of sold or held-for-sale properties in this report, all of which were excluded from discontinued operations:

	Held-for-Sale at September 30, 2019	Sold Year-to-Date in 2019	Sold in 2018	Total
Properties sold or classified as held-for-sale	1	27	15	43

Table Illustration of Discontinued Operations in Statement of Operations

The following table illustrates the operational results of the buildings reflected in discontinued operations (in thousands):  

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues	$	—	$	85	$	—	$	117
Operating expenses	—		—		—		(9		)
Operating income	—		85		—		108
Gain on sale of properties	112		136		366		3,157
Income from discontinued operations	$	112	$	221	$	366	$	3,265

Allocation of Common Shareholders' Income (Loss) Between Continuing and Discontinued Operations

The following table illustrates the General Partner's share of the income attributable to common shareholders from continuing operations and discontinued operations, reduced by the allocation of income between continuing and discontinued operations to the noncontrolling interests (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Income from continuing operations attributable to common shareholders	$	226,455	$	52,806	$	341,807	$	316,598
Income from discontinued operations attributable to common shareholders	111		219		363		3,235
Net income attributable to common shareholders	$	226,566	$	53,025	$	342,170	$	319,833

Schedule of Discontinued Operations, Properties Held-for-Sale, Aggregate Balance Sheet Information [Table Text Block]

The following table illustrates aggregate balance sheet information for assets held-for-sale (in thousands):

	Held-for-Sale Properties Included in Continuing Operations
	September 30, 2019			December 31, 2018
Land and improvements	$	1,268		$	—
Buildings and tenant improvements	26,879			—
Undeveloped land	—			1,966
Accumulated depreciation	(7,931		)	(884		)
Deferred leasing and other costs, net	3,057			—
Other assets	466			—
Total assets held-for-sale	$	23,739		$	1,082
Accrued expenses	$	761		$	—
Other liabilities	1,754			—
Total liabilities related to assets held-for-sale	$	2,515		$	—

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Acquisitions and Dispositions (Summary of Significant Assumptions Utilized in Estimates) (Details)	Sep. 30, 2019 $ / sqft
Industrial [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Net rental rate per square foot	5.90
Industrial [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Net rental rate per square foot	15.60
Measurement Input, Cap Rate [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Fair Value Inputs, Capitalization Rate	4.23%
Measurement Input, Cap Rate [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Fair Value Inputs, Capitalization Rate	5.26%

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Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments [Table Text Block]

As of September 30, 2019 and December 31, 2018, the following forward-starting interest rate swaps designated as cash flow hedges (in thousands) were outstanding:

		Asset (Liability) Fair Value
Notional Amount		September 30, 2019			December 31, 2018
$	125,000	$	(16,630	)	$	(2,914	)
75,000		(9,993		)	(1,762		)
75,000		(7,914		)	—
50,000		(5,283		)	—
25,000		(2,284		)	—
$	350,000	$	(42,104	)	$	(4,676	)

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Restricted Cash (Details) - USD ($)
$ in Thousands

9 Months Ended

Sep. 30, 2019

Dec. 31, 2018

Sep. 30, 2018

Dec. 31, 2017

Restricted Cash [Abstract]

Restrictions on Cash and Cash Equivalents [Table Text Block]

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows (in thousands):

	September 30, 2019		December 31, 2018
Cash and cash equivalents	$	121,233	$	17,901
Restricted cash held in escrow for like-kind exchange	119,240		—
Restricted cash included in other escrow deposits and other assets	10,059		7,616
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	250,532	$	25,517

Cash and Cash Equivalents, at Carrying Value

$ 121,233

$ 17,901

Restricted cash held in escrow for like kind exchange

119,240

0

Escrow Deposit

10,059

7,616

Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents

$ 250,532

$ 25,517

$ 272,801

$ 193,627

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Net Income (Loss) Per Common Share

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Net Income (Loss) Per Common Share

Net Income per Common Share or Common Unit

Basic net income per common share or Common Unit is computed by dividing net income attributable to common shareholders or common unitholders, less dividends or distributions on share-based awards expected to vest (referred to as "participating securities" and primarily composed of unvested restricted stock units), by the weighted average number of common shares or Common Units outstanding for the period.

Diluted net income per common share is computed by dividing the sum of net income attributable to common shareholders and the noncontrolling interest in earnings allocable to Limited Partner Units (to the extent the Limited Partner Units are dilutive), less dividends or distributions on participating securities that are anti-dilutive, by the sum of the weighted average number of common shares outstanding and, to the extent they are dilutive, weighted average number of Limited Partner Units outstanding and any potential dilutive securities for the period. Diluted net income per Common Unit is computed by dividing the net income attributable to common unitholders, less dividends or distributions on participating securities that are anti-dilutive, by the sum of the weighted average number of Common Units outstanding and any potential dilutive securities for the period. The following table reconciles the components of basic and diluted net income per common share or Common Unit (in thousands): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
General Partner
Net income attributable to common shareholders	$	226,566		$	53,025		$	342,170		$	319,833
Less: dividends on participating securities	(350		)	(394		)	(1,125		)	(1,249		)
Basic net income attributable to common shareholders	$	226,216		$	52,631		$	341,045		$	318,584
Add back dividends on dilutive participating securities	350			—			1,125			1,249
Noncontrolling interest in earnings of common unitholders	1,968			495			2,971			3,002
Diluted net income attributable to common shareholders	$	228,534		$	53,126		$	345,141		$	322,835
Weighted average number of common shares outstanding	362,416			357,898			360,424			357,235
Weighted average Limited Partner Units outstanding	3,142			3,302			3,118			3,350
Other potential dilutive shares	1,713			210			1,801			2,160
Weighted average number of common shares and potential dilutive securities	367,271			361,410			365,343			362,745
Partnership
Net income attributable to common unitholders	$	228,534		$	53,520		$	345,141		$	322,835
Less: distributions on participating securities	(350		)	(394		)	(1,125		)	(1,249		)
Basic net income attributable to common unitholders	$	228,184		$	53,126		$	344,016		$	321,586
Add back distributions on dilutive participating securities	350			—			1,125			1,249
Diluted net income attributable to common unitholders	$	228,534		$	53,126		$	345,141		$	322,835
Weighted average number of Common Units outstanding	365,558			361,200			363,542			360,585
Other potential dilutive units	1,713			210			1,801			2,160
Weighted average number of Common Units and potential dilutive securities	367,271			361,410			365,343			362,745

The following table summarizes the data that is excluded from the computation of net income per common share or Common Unit as a result of being anti-dilutive (in thousands): 

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
General Partner and Partnership
Other potential dilutive shares or units:
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans	—	—	—	—
Anti-dilutive outstanding participating securities	—	2,147	—	—

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Acquisitions and Dispositions

9 Months Ended

Sep. 30, 2019

Real Estate [Abstract]

Acquisitions and Dispositions

Acquisitions and Dispositions

Acquisitions and dispositions for the periods presented were completed in accordance with our strategy to reposition our investment concentration among the markets in which we operate and to increase our overall investments in quality industrial projects. Transaction costs related to asset acquisitions are capitalized and transaction costs related to business combinations and dispositions are expensed.

Acquisitions

We paid cash of $146.6 million and $208.9 million for asset acquisitions during the nine months ended September 30, 2019 and 2018, respectively.

We acquired four properties during the nine months ended September 30, 2019. We determined that these four properties did not meet the definition of a business and, accordingly, we accounted for them as asset acquisitions as opposed to business combinations.

The following table summarizes amounts recognized for each major class of assets (in thousands) for these acquisitions during the nine months ended September 30, 2019:

Real estate assets	$	140,030
Lease related intangible assets	9,331
Fair value of acquired net assets	$	149,361

The leases in the acquired properties had a weighted average remaining life at acquisition of approximately 6.3 years.

Fair Value Measurements

We determine the fair value of the individual components of real estate asset acquisitions primarily through calculating the "as-if vacant" value of a building, using an income approach, which relies significantly upon internally determined assumptions. We have determined that these estimates primarily rely upon level 3 inputs, which are unobservable inputs based on our own assumptions. The most significant assumptions used in calculating the "as-if vacant" value for acquisition activity during the nine months ended September 30, 2019 are as follows: 

	Low	High
Exit capitalization rate	4.23%	5.26%
Net rental rate per square foot	$5.90	$15.60

Capitalized acquisition costs were insignificant and the fair value of the four properties acquired during the nine months ended September 30, 2019 was substantially the same as the cost of acquisition.

Dispositions

Dispositions of buildings and undeveloped land generated net cash proceeds of $379.8 million and $434.6 million during the nine months ended September 30, 2019 and 2018, respectively.

In September 2019, we completed the sale of 18 non-strategic industrial properties for $217.5 million in proceeds and recorded a gain on sale of $146.3 million. These properties totaled 4.1 million square feet and were located in primarily Midwest markets. Additionally, during the nine months ended September 30, 2019, we collected $145.0 million of principal on notes receivable primarily related to the sale of our medical office portfolio (the "Medical Office Portfolio Disposition") during 2017. The number of buildings sold, as well as their classification between continuing and discontinued operations, is disclosed in Note 12.

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Financial Instruments (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 350,000
Derivative, Net Liability Position, Aggregate Fair Value	(42,104)	$ (4,676)
Contract One [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	125,000
Derivative, Net Liability Position, Aggregate Fair Value	(16,630)	(2,914)
Contract Two [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	75,000
Derivative, Net Liability Position, Aggregate Fair Value	(9,993)	(1,762)
Contract Three [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	75,000
Derivative, Net Liability Position, Aggregate Fair Value	(7,914)	0
Contract Four [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	50,000
Derivative, Net Liability Position, Aggregate Fair Value	(5,283)	0
Contract Five [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	25,000
Derivative, Net Liability Position, Aggregate Fair Value	$ (2,284)	$ 0

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Real Estate Assets, Discontinued Operations and Assets Held for Sale (Table Illustration of Number of Properties in Discontinued Operations) (Details) - buildings	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Continuing Operations, Number of In-service Properties Held for Sale	1
Continuing Operations, Number of Real Estate Properties Sold	27	15
Total Properties Sold or Classified as Held for Sale	43

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Indebtedness Unsecured Debt (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2017
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.38%
Issuance Price of Notes as a Percentage of Par Value	104.16%
Debt Instrument, Interest Rate, Effective Percentage	2.80%
Document Period End Date	Sep. 30, 2019
Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Estimated Trading Values, Percent of Face Value, Minimum	102.00%
Debt Instrument, Estimated Trading Values, Percent of Face Value, Maximum	131.00%
Debt Instrument, Covenant Compliance	We were in compliance with all such financial covenants at
Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 175.0	$ 300.0

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Net Income (Loss) Per Common Share Reconciling the Components of Basic and Diluted Net Income (Loss) per Common Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to common shareholders	$ 226,566	$ 53,025	$ 342,170	$ 319,833
Less: dividends on participating securities	(350)	(394)	(1,125)	(1,249)
Basic net income attributable to common shareholders	226,216	52,631	341,045	318,584
Add back dividends on dilutive participating securities	350	0	1,125	1,249
Noncontrolling interest in earnings of common unitholders	1,968	495	2,971	3,002
Diluted net income attributable to common shareholders	$ 228,534	$ 53,126	$ 345,141	$ 322,835
Weighted average number of common shares/units outstanding, Basic	362,416	357,898	360,424	357,235
Weighted average Limited Partner Units outstanding	3,142	3,302	3,118	3,350
Other potential dilutive shares/units	1,713	210	1,801	2,160
Weighted average number of common shares/units and potential dilutive securities	367,271	361,410	365,343	362,745
Duke Realty Limited Partnership [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to common shareholders	$ 228,534	$ 53,520	$ 345,141	$ 322,835
Less: dividends on participating securities	(350)	(394)	(1,125)	(1,249)
Basic net income attributable to common unitholders	228,184	53,126	344,016	321,586
Add back dividends on dilutive participating securities	350	0	1,125	1,249
Diluted net income attributable to common unitholders	$ 228,534	$ 53,126	$ 345,141	$ 322,835
Weighted average number of common shares/units outstanding, Basic	365,558	361,200	363,542	360,585
Other potential dilutive shares/units	1,713	210	1,801	2,160
Weighted average number of common shares/units and potential dilutive securities	367,271	361,410	365,343	362,745

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Net Income (Loss) Per Common Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Reconciling the Components of Basic and Diluted Net Income (Loss) per Common Share

The following table reconciles the components of basic and diluted net income per common share or Common Unit (in thousands): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
General Partner
Net income attributable to common shareholders	$	226,566		$	53,025		$	342,170		$	319,833
Less: dividends on participating securities	(350		)	(394		)	(1,125		)	(1,249		)
Basic net income attributable to common shareholders	$	226,216		$	52,631		$	341,045		$	318,584
Add back dividends on dilutive participating securities	350			—			1,125			1,249
Noncontrolling interest in earnings of common unitholders	1,968			495			2,971			3,002
Diluted net income attributable to common shareholders	$	228,534		$	53,126		$	345,141		$	322,835
Weighted average number of common shares outstanding	362,416			357,898			360,424			357,235
Weighted average Limited Partner Units outstanding	3,142			3,302			3,118			3,350
Other potential dilutive shares	1,713			210			1,801			2,160
Weighted average number of common shares and potential dilutive securities	367,271			361,410			365,343			362,745
Partnership
Net income attributable to common unitholders	$	228,534		$	53,520		$	345,141		$	322,835
Less: distributions on participating securities	(350		)	(394		)	(1,125		)	(1,249		)
Basic net income attributable to common unitholders	$	228,184		$	53,126		$	344,016		$	321,586
Add back distributions on dilutive participating securities	350			—			1,125			1,249
Diluted net income attributable to common unitholders	$	228,534		$	53,126		$	345,141		$	322,835
Weighted average number of Common Units outstanding	365,558			361,200			363,542			360,585
Other potential dilutive units	1,713			210			1,801			2,160
Weighted average number of Common Units and potential dilutive securities	367,271			361,410			365,343			362,745

Computation of Anti-Dilutive Common Share

The following table summarizes the data that is excluded from the computation of net income per common share or Common Unit as a result of being anti-dilutive (in thousands): 

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
General Partner and Partnership
Other potential dilutive shares or units:
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans	—	—	—	—
Anti-dilutive outstanding participating securities	—	2,147	—	—

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income	$ 345,122	$ 322,842
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of buildings and tenant improvements	202,261	190,460
Amortization of deferred leasing and other costs	40,659	41,756
Amortization of deferred financing costs	4,606	4,303
Straight-line rental income and expense, net	(15,627)	(16,763)
Loss on debt extinguishment	13	240
Gain on involuntary conversion	(2,259)	0
Gains on land and depreciated property sales	(211,010)	(205,119)
Third-party construction contracts, net	14,218	(5,088)
Other accrued revenues and expenses, net	26,870	43,627
Equity in earnings in excess of operating distributions received from unconsolidated joint ventures	(766)	(4,609)
Net cash provided by operating activities	404,087	371,649
Cash flows from investing activities:
Development of real estate investments	(325,825)	(459,513)
Acquisition of real estate investments and related intangible assets	(146,632)	(208,914)
Acquisition of undeveloped land	(223,547)	(194,171)
Second generation tenant improvements, leasing costs and building improvements	(31,644)	(34,311)
Other deferred leasing costs	(28,551)	(27,691)
Other assets	(9,104)	(5,929)
Proceeds from the repayments of notes receivable from property sales	145,000	149,913
Proceeds from land and depreciated property sales, net	379,774	434,584
Capital distributions from unconsolidated joint ventures	2,664	19,176
Capital contributions and advances to unconsolidated joint ventures	(5,963)	(2,728)
Net cash used for investing activities	(243,828)	(329,584)
Cash flows from financing activities:
Proceeds from issuance of common shares, net	222,672	30,591
Proceeds from unsecured debt	182,284	450,000
Payments on unsecured debt	0	(1,998)
Payments on secured indebtedness including principal amortization	(44,652)	(231,070)
Repayments on line of credit, net	(30,000)	0
Distributions to common shareholders/unitholders	(232,323)	(214,463)
Distributions to noncontrolling Interest	(1,864)	(1,746)
Tax payments on stock-based compensation awards	(5,695)	(8,389)
Change in book cash overdrafts	(14,306)	22,669
Other Financing Activities	(9,920)	0
Deferred financing costs	(1,440)	(8,485)
Net cash provided by financing activities	64,756	37,109
Net increase in cash, cash equivalents and restricted cash	225,015	79,174
Cash, cash equivalents and restricted cash at beginning of period	25,517	193,627
Cash, cash equivalents and restricted cash at end of period	250,532	272,801
Noncash activities:
Liabilities and right-of-use assets - operating leases	38,826	0
Investment and Advances Related to Acquisition of Previously Unconsolidated Companies	0	5,034
Contribution of Property	0	3,200
Conversion of Units - NonCash Disclosure	0	1,967
Duke Realty Limited Partnership [Member]
Cash flows from operating activities:
Net income	345,122	322,842
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of buildings and tenant improvements	202,261	190,460
Amortization of deferred leasing and other costs	40,659	41,756
Amortization of deferred financing costs	4,606	4,303
Straight-line rental income and expense, net	(15,627)	(16,763)
Loss on debt extinguishment	13	240
Gain on involuntary conversion	(2,259)	0
Gains on land and depreciated property sales	(211,010)	(205,119)
Third-party construction contracts, net	14,218	(5,088)
Other accrued revenues and expenses, net	26,870	43,627
Equity in earnings in excess of operating distributions received from unconsolidated joint ventures	(766)	(4,609)
Net cash provided by operating activities	404,087	371,649
Cash flows from investing activities:
Development of real estate investments	(325,825)	(459,513)
Acquisition of real estate investments and related intangible assets	(146,632)	(208,914)
Acquisition of undeveloped land	(223,547)	(194,171)
Second generation tenant improvements, leasing costs and building improvements	(31,644)	(34,311)
Other deferred leasing costs	(28,551)	(27,691)
Other assets	(9,104)	(5,929)
Proceeds from the repayments of notes receivable from property sales	145,000	149,913
Proceeds from land and depreciated property sales, net	379,774	434,584
Capital distributions from unconsolidated joint ventures	2,664	19,176
Capital contributions and advances to unconsolidated joint ventures	(5,963)	(2,728)
Net cash used for investing activities	(243,828)	(329,584)
Cash flows from financing activities:
Proceeds from unsecured debt	182,284	450,000
Contributions from the General Partner	222,672	30,591
Payments on unsecured debt	0	(1,998)
Payments on secured indebtedness including principal amortization	(44,652)	(231,070)
Repayments on line of credit, net	(30,000)	0
Distributions to common shareholders/unitholders	(234,352)	(216,484)
Distributions to noncontrolling Interest	165	275
Tax payments on stock-based compensation awards	(5,695)	(8,389)
Change in book cash overdrafts	(14,306)	22,669
Other Financing Activities	(9,920)	0
Deferred financing costs	(1,440)	(8,485)
Net cash provided by financing activities	64,756	37,109
Net increase in cash, cash equivalents and restricted cash	225,015	79,174
Cash, cash equivalents and restricted cash at beginning of period	25,517	193,627
Cash, cash equivalents and restricted cash at end of period	250,532	272,801
Noncash activities:
Liabilities and right-of-use assets - operating leases	38,826	0
Investment and Advances Related to Acquisition of Previously Unconsolidated Companies	0	5,034
Contribution of Property	0	3,200
Conversion of Units - NonCash Disclosure	$ 0	$ 1,967

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 30, 2019
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity File Number	1-9044
Entity Registrant Name	DUKE REALTY CORPORATION
Entity Central Index Key	0000783280
Entity Incorporation, State or Country Code	IN
Entity Tax Identification Number	35-1740409
Entity Address, Address Line One	600 East 96th Street, Suite 100
Entity Address, City or Town	Indianapolis,
Entity Address, State or Province	IN
Entity Address, Postal Zip Code	46240
City Area Code	(317)
Local Phone Number	808-6000
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	DRE
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		367,570,672
Duke Realty Limited Partnership [Member]
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Registrant Name	DUKE REALTY LIMITED PARTNERSHIP
Entity Central Index Key	0001003410
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false

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Restricted Cash (Tables)

9 Months Ended

Sep. 30, 2019

Restricted Cash [Abstract]

Restrictions on Cash and Cash Equivalents [Table Text Block]

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows (in thousands):

	September 30, 2019		December 31, 2018
Cash and cash equivalents	$	121,233	$	17,901
Restricted cash held in escrow for like-kind exchange	119,240		—
Restricted cash included in other escrow deposits and other assets	10,059		7,616
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	250,532	$	25,517

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New Accounting Pronouncements (Notes)

9 Months Ended

Sep. 30, 2019

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncements, Policy [Policy Text Block]

New Accounting Pronouncements

Recently Adopted Accounting Pronouncements

Leases

On January 1, 2019, we adopted Accounting Standards Codification ("ASC") 842, Leases ("ASC 842"), utilizing the available election to adopt on a prospective basis. ASC 842 has superseded all previous GAAP guidance for accounting for leases.

As part of adoption, we elected the package of practical expedients available for implementation, which included: (i) relief from re-assessing whether an expired or existing contract meets the definition of a lease, (ii) relief from re-assessing the classification of expired or existing leases at the adoption date and (iii) allowing previously capitalized initial direct leasing costs to continue to be amortized. Due in large part to electing these practical expedients, the adoption of ASC 842 did not result in recording a cumulative adjustment to the opening balance of distributions in excess of net income.

Lessor Accounting

Our primary business is the development, acquisition, and operation of industrial real estate properties that are held for investment and leased to tenants. Due to electing the package of practical expedients that allow for relief from re-assessing the classification of existing leases at the adoption date, as well as based on the characteristics of our underlying assets and leases, all of our leases are classified as operating leases. We manage residual risk through investing in properties that we believe will appreciate in value over time. We also perform a credit analysis for tenants prior to leases being executed, and on an ongoing basis, to ensure collectability is probable prior to recognizing lease revenues on an accrual basis. For lessors, the accounting under ASC 842 remains largely unchanged with the notable exception that ASC 842 requires that lessors expense certain initial direct costs, which were capitalizable under prior leasing standards, as incurred. Under the new standard, only the incremental costs of signing a lease are capitalizable. As the result of this change, we recognized $1.1 million and $6.7 million of expense for internal costs related to successful leases for the three and nine months ended September 30, 2019, respectively, presented separately in the line item "Non-Incremental Costs Related to Successful Leases" on the Consolidated Statements of Operations and Comprehensive Income, which previously would have been capitalized. For the three and nine months ended September 30, 2018, we capitalized $852,000 and $9.2 million, respectively, of internal lease related costs which would have been expensed had ASC 842 been effective.

ASC 842 also requires lessors to exclude certain lessor costs, such as real estate taxes and insurance, that are paid directly by lessees to third parties from rental revenue and the associated rental expense. Lessor costs that are paid by the lessor and reimbursed by the lessee continue to be recorded through rental revenue and the associated rental expense.

ASC 842 provides lessors an additional practical expedient to not separate rental recovery revenue related to lease-related services from the associated rental revenue related to the lease when certain criteria are met. The lease-related services provided to our tenants include property management, common area maintenance ("CAM") and utilities. We assessed the applicable criteria, concluding that the timing and straight-line pattern of transfer to the lessees for rental recovery revenue from our lease-related services and revenue from the underlying leases are the same and that lease classification does not change, and elected to apply this additional practical expedient.

Our leases generally include scheduled rent increases, but do not include variable payments based on indexes. Our rental revenue is primarily based on fixed, non-cancelable leases. Our variable rental revenue primarily consists of amounts recovered from lessees for property tax, insurance and CAM.

All revenues related to lease and lease-related services are included in, and comprise substantially all of, the caption "Rental and Related Revenue" on the Consolidated Statements of Operations and Comprehensive Income. The components of Rental and Related Revenue are as follows (in thousands):

	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
Rental revenue - fixed payments	$	163,516	$	481,674
Rental revenue - variable payments (1)	51,858		156,772
Rental and related revenue	$	215,374	$	638,446

(1) Primarily includes tenant recoveries for real estate taxes, insurance and CAM.

The future minimum rents due to us under non-cancelable operating leases are as follows (in thousands):

Year	September 30, 2019		December 31, 2018
2019	$	153,301	$	600,385
2020	623,291		586,609
2021	600,850		529,961
2022	537,556		463,462
2023	466,514		397,150
Thereafter	2,058,372		1,582,598
	$	4,439,884	$	4,160,165

Lessee Accounting

ASC 842 requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase of the leased asset by the lessee. This classification determines whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use ("ROU") asset and a lease liability for all leases with a term of greater than 12 months regardless of classification.

As of September 30, 2019, our lease arrangements primarily consisted of office and ground leases. Adoption of the practical expedients resulted in the continued classification of our leases as operating leases. Expense recognized on these leases for the nine months ended September 30, 2019 was not material.

For these arrangements, we recognized a ROU asset and a corresponding lease liability at the January 1, 2019 adoption date of ASC 842, representing the discounted value of future lease payments required under our lease arrangements. A $38.8 million ROU asset, net of pre-existing lease related accruals, was included in Other Escrow Deposits and Other Assets, and a corresponding lease liability of $45.0 million was included in Other Liabilities on our Consolidated Balance Sheets as of September 30, 2019. In determining these amounts we elected an available practical expedient that allows us, as a lessee, to not separate lease and non-lease components.

The following table summarizes the future operating lease payments (in thousands) to be made under our non-cancellable lease arrangements:

Year	September 30, 2019			December 31, 2018
2019	$	1,521		$	6,487
2020	8,037			7,594
2021	3,595			2,987
2022	2,877			2,255
2023	2,585			1,949
Thereafter	86,040			85,523
Total undiscounted operating lease payments	$	104,655		$	106,795
Less: imputed interest	(59,634		)
Present value of operating lease payments	$	45,021

The weighted average remaining lease term for our lease arrangements, on a combined basis as of September 30, 2019, was 32.5 years. The weighted average discount rate for our lease arrangements as of September 30, 2019 was 4.55%. As the discount rates implied in our lease arrangements are not readily determinable, we utilized our current credit ratings and credit yields observed from market traded securities with similar credit ratings to form a reasonable basis to establish secured borrowing rates when determining the present value of future lease payments.

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Real Estate Assets, Discontinued Operations and Assets Held for Sale

9 Months Ended

Sep. 30, 2019

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations and Assets Held for Sale

Real Estate Assets, Discontinued Operations and Assets Held-for-Sale

Real Estate Assets

Real estate assets, excluding assets held-for-sale, consisted of the following (in thousands):

	September 30, 2019		December 31, 2018
Buildings and tenant improvements	$	5,224,690	$	4,980,003
Land and improvements	2,466,953		2,268,343
Real estate assets	$	7,691,643	$	7,248,346

Discontinued Operations

The following table illustrates the number of sold or held-for-sale properties in this report, all of which were excluded from discontinued operations:

	Held-for-Sale at September 30, 2019	Sold Year-to-Date in 2019	Sold in 2018	Total
Properties sold or classified as held-for-sale	1	27	15	43

The following table illustrates the operational results of the buildings reflected in discontinued operations (in thousands):  

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues	$	—	$	85	$	—	$	117
Operating expenses	—		—		—		(9		)
Operating income	—		85		—		108
Gain on sale of properties	112		136		366		3,157
Income from discontinued operations	$	112	$	221	$	366	$	3,265

The amounts classified in discontinued operations for the three and nine months ended September 30, 2019 and 2018 were comprised of true-up activity related to properties sold in previous years that were classified as discontinued operations.

Allocation of Noncontrolling Interests - General Partner

The following table illustrates the General Partner's share of the income attributable to common shareholders from continuing operations and discontinued operations, reduced by the allocation of income between continuing and discontinued operations to the noncontrolling interests (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Income from continuing operations attributable to common shareholders	$	226,455	$	52,806	$	341,807	$	316,598
Income from discontinued operations attributable to common shareholders	111		219		363		3,235
Net income attributable to common shareholders	$	226,566	$	53,025	$	342,170	$	319,833

Allocation of Noncontrolling Interests - Partnership

Substantially all of the income from discontinued operations for all periods presented in the Partnership's Consolidated Statements of Operations and Comprehensive Income is attributable to the common unitholders.

Assets Held-for-Sale

The following table illustrates aggregate balance sheet information for assets held-for-sale (in thousands):

	Held-for-Sale Properties Included in Continuing Operations
	September 30, 2019			December 31, 2018
Land and improvements	$	1,268		$	—
Buildings and tenant improvements	26,879			—
Undeveloped land	—			1,966
Accumulated depreciation	(7,931		)	(884		)
Deferred leasing and other costs, net	3,057			—
Other assets	466			—
Total assets held-for-sale	$	23,739		$	1,082
Accrued expenses	$	761		$	—
Other liabilities	1,754			—
Total liabilities related to assets held-for-sale	$	2,515		$	—

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Shareholder's Equity (Notes)

9 Months Ended

Sep. 30, 2019

Shareholder's Equity [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Shareholders' Equity of the General Partner and Partners' Capital of the Partnership

General Partner

The General Partner has an at the market ("ATM") equity program that allows it to issue and sell its common shares through sales agents from time to time. Actual sales under the ATM equity program depend on a variety of factors to be determined by the General Partner, including, among others, market conditions, the trading price of the General Partner’s common stock, determinations by the General Partner of the appropriate sources of funding and potential uses of funding available.

In August 2019, the General Partner terminated its previous equity distribution agreement for the ATM equity program and entered into a new equity distribution agreement to sell shares of its common stock, $0.01 par value per share, from time to time, up to an aggregate offering price of $400.0 million.

During the nine months ended September 30, 2019, the General Partner issued 6.6 million common shares pursuant to its ATM equity programs, generating gross proceeds of $218.1 million and, after deducting commissions and other costs, net proceeds of $215.6 million. The proceeds from these offerings were contributed to the Partnership and used to fund development activities.

Partnership

For each common share or preferred share that the General Partner issues, the Partnership issues a corresponding General Partner Unit or Preferred Unit, as applicable, to the General Partner in exchange for the contribution of the proceeds from the stock issuance. Similarly, when the General Partner redeems or repurchases common shares or preferred shares, the Partnership redeems the corresponding General Partner Units or Preferred Units held by the General Partner at the same price.

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Restricted Cash (Notes)

9 Months Ended

Sep. 30, 2019

Restricted Cash [Abstract]

Cash and Cash Equivalents Disclosure [Text Block]

Restricted Cash

In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows: Restricted Cash ("ASU 2016-18"). ASU 2016-18 requires entities to show the changes in the total of cash, cash equivalents and restricted cash in the statement of cash flows. As a result, entities will no longer present transfers between cash, cash equivalents and restricted cash in the statement of cash flows. We adopted this standard on January 1, 2018, on a retrospective basis, and the adoption did not have a material impact on our consolidated financial statements.

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows (in thousands):

	September 30, 2019		December 31, 2018
Cash and cash equivalents	$	121,233	$	17,901
Restricted cash held in escrow for like-kind exchange	119,240		—
Restricted cash included in other escrow deposits and other assets	10,059		7,616
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	250,532	$	25,517

Restricted cash held in escrow for like-kind exchange on the Consolidated Balance Sheets includes cash received from the property dispositions but restricted only for qualifying like-kind exchange transactions.

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General Basis of Presentation (Details)	9 Months Ended
	Sep. 30, 2019
Common partnership interests of DRLP Owned	99.10%
Duke Realty Limited Partnership [Member]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	0.90%

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Acquisitions and Dispositions (Narrative) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($) buildings	Sep. 30, 2018 USD ($)
Property, Plant and Equipment [Line Items]
Payments to Acquire Real Estate | $	$ 146,632	$ 208,914
Number of Real Estate Properties | buildings	4
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years 3 months 18 days

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Real Estate Assets, Discontinued Operations and Assets Held for Sale (Allocation of Shareholders' Income (Loss) Between Continuing and Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Discontinued Operations
Income from continuing operations attributable to common shareholders	$ 226,455	$ 52,806	$ 341,807	$ 316,598
Income from discontinued operations attributable to common shareholders	111	219	363	3,235
Net income attributable to common shareholders	$ 226,566	$ 53,025	$ 342,170	$ 319,833

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Indebtedness

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Indebtedness

Indebtedness

All debt is issued directly or indirectly by the Partnership. The General Partner does not have any indebtedness, but does guarantee some of the unsecured debt of the Partnership. The following table summarizes the book value and changes in the fair value of our debt (in thousands):

	Book Value at 12/31/2018		Book Value at 9/30/2019		Fair Value at 12/31/2018		Issuances and Assumptions		Payments/Payoffs			Adjustments to Fair Value			Fair Value at 9/30/2019
Fixed rate secured debt	$	77,601	$	33,171	$	80,238	$	—	$	(44,352	)	$	(163	)	$	35,723
Variable rate secured debt	2,200		1,900		2,200		—		(300		)	—			1,900
Unsecured debt	2,575,000		2,750,000		2,549,963		175,000		—			172,750			2,897,713
Unsecured line of credit	30,000		—		30,000		—		(30,000		)	—			—
Total	$	2,684,801	$	2,785,071	$	2,662,401	$	175,000	$	(74,652	)	$	172,587		$	2,935,336
Less: Deferred financing costs	26,300		17,489
Total indebtedness as reported on the consolidated balance sheets	$	2,658,501	$	2,767,582

Secured Debt

Because our fixed rate secured debt is not actively traded in any marketplace, we utilized a discounted cash flow methodology to determine its fair value. Accordingly, we calculated fair value by applying an estimate of the current market rate to discount the debt's remaining contractual cash flows. Our estimate of a current market rate, which is the most significant input in the discounted cash flow calculation, is intended to replicate debt of similar maturity and loan-to-value relationship. The estimated rates ranged from 3.10% to 3.40%, depending on the attributes of the specific loans. The current market rates we utilized were internally estimated; therefore, we have concluded that our determination of fair value for our fixed rate secured debt was primarily based upon level 3 inputs.

During the nine months ended September 30, 2019, we repaid three fixed rate secured loans, totaling $41.7 million, which had a weighted average stated interest rate of 7.76%.

Unsecured Debt

At September 30, 2019, all of our unsecured debt bore interest at fixed rates and primarily consisted of unsecured notes that are publicly traded. We utilized broker estimates in estimating the fair value of our fixed rate unsecured debt. Our unsecured notes are thinly traded and, in certain cases, the broker estimates were not based upon comparable transactions. The broker estimates took into account any recent trades within the same series of our fixed rate unsecured debt, comparisons to recent trades of other series of our fixed rate unsecured debt, trades of fixed rate unsecured debt from companies with profiles similar to ours, as well as overall economic conditions. We reviewed these broker estimates for reasonableness and accuracy, considering whether the estimates were based upon market participant assumptions within the principal and most advantageous market and whether any other observable inputs would be more accurate indicators of fair value than the broker estimates. We concluded that the broker estimates were representative of fair value. We have determined that our estimation of the fair value of our fixed rate unsecured debt was primarily based upon level 3 inputs. The estimated trading values of our fixed rate unsecured debt, depending on the maturity and coupon rates, ranged from 102.00% to 131.00% of face value.

In August 2019, we issued $175.0 million of senior unsecured notes bearing interest at a stated interest rate of 3.38% and maturing on December 15, 2027, at 104.16% of par value, resulting in an effective interest rate of 2.80%. Proceeds from the unsecured notes offering were primarily used to repay the borrowings under the unsecured line of credit. The notes were issued as additional notes under an indenture pursuant to which we previously issued $300.0 million senior unsecured notes due 2027 in December 2017. These notes have substantially identical terms.

The indentures (and related supplemental indentures) governing our outstanding series of unsecured notes also require us to comply with financial ratios and other covenants regarding our operations. We were in compliance with all such financial covenants at September 30, 2019.

Unsecured Line of Credit

Our unsecured line of credit at September 30, 2019 is described as follows (in thousands):

Description	Borrowing Capacity		Maturity Date	Outstanding Balance at September 30, 2019
Unsecured Line of Credit - Partnership	$	1,200,000	January 30, 2022	$	—

The Partnership's unsecured line of credit has an interest rate on borrowings of LIBOR plus 0.875% and has a maturity date of January 30, 2022, with options to extend until January 30, 2023. Subject to certain conditions, the terms also include an option to increase the facility by up to an additional $800.0 million, for a total of up to $2.00 billion. This line of credit provides us with an option to obtain borrowings from financial institutions that participate in the line at rates that may be lower than the stated interest rate, subject to certain restrictions.

This line of credit contains financial covenants that require us to meet certain financial ratios and defined levels of performance, including those related to fixed charge coverage, unsecured interest expense coverage and debt-to-asset value (with asset value being defined in the Partnership's unsecured line of credit agreement). At September 30, 2019, we were in compliance with all financial covenants under this line of credit.

To the extent there are outstanding borrowings, we utilize a discounted cash flow methodology in order to estimate the fair value of outstanding borrowings on our unsecured line of credit. To the extent that credit spreads have changed since the origination of the line of credit, the net present value of the difference between future contractual interest payments and future interest payments based on our estimate of a current market rate would represent the difference between the book value and the fair value. This estimate of a current market rate is based upon the rate, considering current market conditions and our specific credit profile, at which we estimate we could obtain similar borrowings. As our credit spreads have not changed appreciably, we believe that the contractual interest rate and the current market rate on any outstanding borrowings on the line of credit are the same. The current market rate is internally estimated and therefore is primarily based upon a level 3 input.

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Reclassifications

9 Months Ended

Sep. 30, 2019

Disclosure Text Block [Abstract]

Reclassifications

Reclassifications

Certain amounts in the accompanying consolidated financial statements for 2018 have been reclassified to conform to the 2019 consolidated financial statement presentation.

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Segment Reporting

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Segment Reporting

Segment Reporting

Reportable Segments

As of September 30, 2019, we had two reportable operating segments, the first consisting of the ownership and rental of industrial real estate investments. Our ongoing investments in new real estate investments are determined largely upon anticipated geographic trends in supply and demand for industrial buildings, as well as the real estate needs of our major tenants that operate on a national level. Our strategic initiatives and our allocation of resources have been historically based upon allocation among product types, which was consistent with our designation of reportable segments, and after having sold nearly all of our office and medical office properties we intend to increase our investment in industrial properties and treat them as a single operating and reportable segment. Properties not included in our reportable segments, because they are not industrial properties and do not by themselves meet the quantitative thresholds for separate presentation as a reportable segment, are generally referred to as non-reportable Rental Operations. Our non-reportable Rental Operations primarily include our remaining office properties and medical office property at September 30, 2019. The operations of our industrial properties, as well as our non-reportable Rental Operations, are collectively referred to as "Rental Operations."

Our second reportable segment consists of various real estate services such as property management, asset management, maintenance, leasing, development, general contracting and construction management to third-party property owners and joint ventures, and is collectively referred to as "Service Operations." The Service Operations segment is identified as one single operating segment because the lowest level of financial results reviewed by our chief operating decision maker are the results for the Service Operations segment in total. Further, our reportable segments are managed separately because each segment requires different operating strategies and management expertise.

Revenues by Reportable Segment

The following table shows the revenues for each of the reportable segments, as well as a reconciliation to consolidated revenues (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues
Rental Operations:
Industrial	$	213,819	$	194,922	$	633,226	$	574,866
Non-reportable Rental Operations	1,471		1,481		4,401		6,300
Service Operations	25,955		34,986		104,838		94,552
Total segment revenues	241,245		231,389		742,465		675,718
Other revenue	84		509		819		1,295
Consolidated revenue from continuing operations	241,329		231,898		743,284		677,013
Discontinued operations	—		85		—		117
Consolidated revenue	$	241,329	$	231,983	$	743,284	$	677,130

Supplemental Performance Measure

Property-level net operating income on a cash basis ("PNOI") is the non-GAAP supplemental performance measure that we use to evaluate the performance of, and to allocate resources among, the real estate investments in the reportable and operating segments that comprise our Rental Operations. PNOI for our Rental Operations segments is comprised of rental revenues from continuing operations less rental expenses and real estate taxes from continuing operations, along with certain other adjusting items (collectively referred to as "Rental Operations revenues and expenses excluded from PNOI," as shown in the following table). Additionally, we do not allocate interest expense, depreciation expense and certain other non-property specific revenues and expenses (collectively referred to as "Non-Segment Items," as shown in the following table) to our individual operating segments.

We evaluate the performance of our Service Operations reportable segment using net income or loss, as allocated to that segment ("Earnings from Service Operations").

The most comparable GAAP measure to PNOI is income from continuing operations before income taxes. PNOI excludes expenses that materially impact our overall results of operations and, therefore, should not be considered as a substitute for income from continuing operations before income taxes or any other measures derived in accordance with GAAP. Furthermore, PNOI may not be comparable to other similarly titled measures of other companies.

The following table shows a reconciliation of our segment-level measures of profitability to consolidated income from continuing operations before income taxes (in thousands and excluding discontinued operations): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
PNOI
Industrial	$	151,906		$	136,456		$	446,446		$	391,645
Non-reportable Rental Operations	883			1,312			2,623			4,029
PNOI, excluding all sold properties	152,789			137,768			449,069			395,674
PNOI from sold properties included in continuing operations	3,119			5,546			12,774			24,668
PNOI, continuing operations	$	155,908		$	143,314		$	461,843		$	420,342
Earnings from Service Operations	2,315			1,256			5,423			5,160
Rental Operations revenues and expenses excluded from PNOI:
Straight-line rental income and expense, net	5,537			5,832			16,003			16,763
Revenues related to lease buyouts	1,089			—			1,108			23
Amortization of lease concessions and above and below market rents	1,741			593			4,545			1,599
Intercompany rents and other adjusting items	77			48			180			206
Non-Segment Items:
Equity in earnings of unconsolidated joint ventures	3,736			5,552			12,594			15,521
Interest expense	(22,604		)	(21,462		)	(68,246		)	(62,137		)
Depreciation and amortization expense	(83,924		)	(78,855		)	(242,920		)	(232,216		)
Gain on sale of properties	173,646			(107		)	204,075			194,741
Interest and other income, net	2,085			4,129			7,377			13,319
General and administrative expenses	(13,720		)	(8,959		)	(49,123		)	(43,441		)
Gain on land sales	3,869			3,915			6,569			7,221
Other operating expenses	(874		)	(1,104		)	(4,515		)	(3,902		)
Loss on extinguishment of debt	—			(89		)	(13		)	(240		)
Gain on involuntary conversion	—			—			2,259			—
Non-incremental costs related to successful leases	(1,123		)	—			(6,726		)	—
Other non-segment revenues and expenses, net	125			(1,658		)	788			(3,887		)
Income from continuing operations before income taxes	$	227,883		$	52,405		$	351,221		$	329,072

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New Accounting Pronouncements Leases (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Leases [Abstract]
Expense impact of costs attributable to successful leasing activities	$ 1,123,000	$ 0	$ 6,726,000	$ 0
Increase (Decrease) in Deferred Leasing Fees		$ 852,000		$ 9,200,000
Rental revenue - fixed payments	163,516,000		481,674,000
Rental revenue - variable payments (1)	51,858,000		156,772,000
Rental and related revenue	215,374,000		638,446,000
2019	153,301,000		153,301,000		$ 600,385,000
2020	623,291,000		623,291,000		586,609,000
2021	600,850,000		600,850,000		529,961,000
2022	537,556,000		537,556,000		463,462,000
2023	466,514,000		466,514,000		397,150,000
Thereafter	2,058,372,000		2,058,372,000		1,582,598,000
Lessor, Operating Lease, Payments to be Received	4,439,884,000		4,439,884,000		4,160,165,000
Operating Lease, Right-of-Use Asset	38,800,000		38,800,000
Operating Lease, Liability	45,021,000		45,021,000
2019	1,521,000		1,521,000		6,487,000
2020	8,037,000		8,037,000		7,594,000
2021	3,595,000		3,595,000		2,987,000
2022	2,877,000		2,877,000		2,255,000
2023	2,585,000		2,585,000		1,949,000
Thereafter	86,040,000		86,040,000		85,523,000
Total undiscounted operating lease payments	104,655,000		104,655,000		$ 106,795,000
Less: imputed interest	$ (59,634,000)		$ (59,634,000)
Operating Lease, Weighted Average Remaining Lease Term	32 years 6 months		32 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	4.55%		4.55%

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Acquisitions and Dispositions (Summary of Allocation of Fair Value of Amounts Recognized) (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Real estate assets	$ 140,030
Lease related intangible assets	9,331
Fair value of acquired net assets	$ 149,361

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Oct. 24, 2019	Dec. 31, 2019	Sep. 30, 2019	Sep. 30, 2018
Subsequent Event [Line Items]
Debt Instrument, Redemption, Description			$ 0	$ 1,998
Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Redemption, Description	$ 250,000
Payment for Debt Extinguishment or Debt Prepayment Cost	$ 6,000
Subsequent Event [Member] | Common Stock [Member]
Subsequent Event [Line Items]
Common stock dividends declared per share		$ 0.235
Record date		Nov. 14, 2019
Dividends Payable, Date to be Paid		Nov. 29, 2019

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Real Estate Assets, Discontinued Operations and Assets Held for Sale (Table Illustration of Discontinued Operations in Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Discontinued Operations
Revenues	$ 0	$ 85	$ 0	$ 117
Operating Expenses	0	0	0	(9)
Operating income	0	85	0	108
Gain on sale of properties	112	136	366	3,157
Discontinued Operation, Income (Loss) from Discontinued Operation	112	221	366	3,265
Income from discontinued operations	$ 112	$ 221	$ 366	$ 3,265

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Indebtedness (Unsecured Line of Credit) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument, Interest Rate, Effective Percentage	2.80%
Line of credit balance	$ 0	$ 30,000
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Description of Variable Rate Basis	LIBOR
Unsecured Line of Credit DRLP [Member]
Line of Credit Facility, Covenant Compliance	we were in compliance with all financial covenants under this line of credit.
Maximum Capacity	$ 1,200,000
Maturity date	Jan. 30, 2022
Line of Credit Facility Option to Increase Borrowing Limit	$ 800,000
Line of credit balance	0
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000,000
Unsecured Line of Credit DRLP [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	0.875%

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Net Income (Loss) Per Common Share (Computation of Anti-Dilutive Common Shares) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	0	0	0	0
Participating Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	0	2,147	0	0

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General Basis of Presentation (Notes)

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General Basis of Presentation

General Basis of Presentation

The interim consolidated financial statements included herein have been prepared by the General Partner and the Partnership. The 2018 year-end consolidated balance sheet data included in this Report was derived from the audited financial statements in the combined Annual Report on Form 10-K of the General Partner and the Partnership for the year ended December 31, 2018 (the "2018 Annual Report"), but does not include all disclosures required by accounting principles generally accepted in the United States of America ("GAAP"). The financial statements have been prepared in accordance with GAAP for interim financial information and in accordance with Rule 10-01 of Regulation S-X of the Securities Exchange Act of 1934, as amended. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and revenue and expenses during the reporting period. Our actual results could differ from those estimates and assumptions. These financial statements should be read in conjunction with Management's Discussion and Analysis of Financial Condition and Results of Operations included herein and the consolidated financial statements and notes thereto included in the 2018 Annual Report.

The General Partner was formed in 1985, and we believe that it qualifies as a REIT under the provisions of the Internal Revenue Code of 1986, as amended (the "Code"). The Partnership was formed on October 4, 1993, when the General Partner contributed all of its properties and related assets and liabilities, together with the net proceeds from an offering of additional shares of its common stock, to the Partnership. Simultaneously, the Partnership completed the acquisition of Duke Associates, a full-service commercial real estate firm operating in the Midwest whose operations began in 1972.

The General Partner is the sole general partner of the Partnership, owning approximately 99.1% of the Common Units at September 30, 2019. The remaining 0.9% of the Common Units are owned by limited partners. As the sole general partner of the Partnership, the General Partner has full, exclusive and complete responsibility and discretion in the day-to-day management and control of the Partnership. The General Partner and the Partnership are operated as one enterprise. The management of the General Partner consists of the same members as the management of the Partnership. As the sole general partner with control of the Partnership, the General Partner consolidates the Partnership for financial reporting purposes, and the General Partner does not have any significant assets other than its investment in the Partnership. Therefore, the assets and liabilities of the General Partner and the Partnership are substantially the same.

Limited partners have the right to redeem their Limited Partner Units, subject to certain restrictions. Pursuant to the Fifth Amended and Restated Agreement of Limited Partnership, as amended (the "Partnership Agreement"), the General Partner is obligated to redeem the Limited Partner Units in shares of its common stock, unless it determines in its reasonable discretion that the issuance of shares of its common stock could cause it to fail to qualify as a REIT. Each Limited Partner Unit shall be redeemed for one share of the General Partner's common stock, or, in the event that the issuance of shares could cause the General Partner to fail to qualify as a REIT, cash equal to the fair market value of one share of the General Partner's common stock at the time of redemption, in each case, subject to certain adjustments described in the Partnership Agreement. The Limited Partner Units are not required, per the terms of the Partnership Agreement, to be redeemed in registered shares of the General Partner.

As of September 30, 2019, we owned and operated a portfolio primarily consisting of industrial properties and provided real estate services to third-party owners. Substantially all of our Rental Operations (see Note 11) are conducted through the Partnership. We conduct our Service Operations (see Note 11) through Duke Realty Services, LLC, Duke Realty Services Limited Partnership and Duke Construction Limited Partnership ("DCLP"), which are consolidated entities that are 100% owned by a combination of the General Partner and the Partnership. DCLP is owned through a taxable REIT subsidiary. The consolidated financial statements include our accounts and the accounts of our majority-owned or controlled subsidiaries.

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Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2019

Related Party Transactions [Abstract]

Schedule of Fees Earned from Related Parties

The following table summarizes the fees earned from these joint ventures, prior to the elimination of our ownership percentage (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Management fees	$	452	$	462	$	1,318	$	1,359
Leasing fees	759		430		1,315		1,622
Construction and development fees	582		1,128		4,520		2,804

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Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Rental and related revenue	$ 215,374	$ 196,912	$ 638,446	$ 582,461
General contractor and service fee revenue	25,955	34,986	104,838	94,552
Revenues, total	241,329	231,898	743,284	677,013
Expenses:
Rental expenses	19,158	17,268	57,423	53,558
Real estate taxes	31,739	31,515	96,556	93,857
General contractor and other services expenses	23,640	33,730	99,415	89,392
Depreciation and amortization	83,924	78,855	242,920	232,216
Costs and expenses, total	158,461	161,368	496,314	469,023
Other operating activities:
Equity in earnings of unconsolidated joint ventures	3,736	5,552	12,594	15,521
Gain on sale of properties	173,646	(107)	204,075	194,741
Gain on land sales	3,869	3,915	6,569	7,221
Other operating expenses	(874)	(1,104)	(4,515)	(3,902)
Non-incremental costs related to successful leases	(1,123)	0	(6,726)	0
General and administrative expenses	(13,720)	(8,959)	(49,123)	(43,441)
Other Operating Activities, Net	165,534	(703)	162,874	170,140
Operating income	248,402	69,827	409,844	378,130
Other income (expenses):
Interest and other income, net	2,085	4,129	7,377	13,319
Interest expense	(22,604)	(21,462)	(68,246)	(62,137)
Loss on debt extinguishment	0	(89)	(13)	(240)
Gain on involuntary conversion	0	0	2,259	0
Income from continuing operations before income taxes	227,883	52,405	351,221	329,072
Income tax benefit (expense)	536	897	(6,465)	(9,495)
Income from continuing operations	228,419	53,302	344,756	319,577
Discontinued operations:
Income before gain on sales and income tax	0	85	0	108
Gain on sale of properties	112	136	366	3,157
Income from discontinued operations	112	221	366	3,265
Net income	228,531	53,523	345,122	322,842
Net income attributable to noncontrolling interests	(1,965)	(498)	(2,952)	(3,009)
Net income attributable to common shareholders	$ 226,566	$ 53,025	$ 342,170	$ 319,833
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.62	$ 0.15	$ 0.95	$ 0.88
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0	0	0	0.01
Earnings Per Share, Basic	0.62	0.15	0.95	0.89
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.62	0.15	0.94	0.88
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0	0	0	0.01
Earnings Per Share, Diluted	$ 0.62	$ 0.15	$ 0.94	$ 0.89
Weighted average number of common shares/units outstanding	362,416	357,898	360,424	357,235
Weighted average number of common shares/units and potential dilutive securities	367,271	361,410	365,343	362,745
Comprehensive income:
Net income	$ 228,531	$ 53,523	$ 345,122	$ 322,842
Other comprehensive loss:
Unrealized losses on interest rate swap contracts	(13,387)	0	(37,428)	0
Comprehensive income	215,144	53,523	307,694	322,842
Duke Realty Limited Partnership [Member]
Revenues:
Rental and related revenue	215,374	196,912	638,446	582,461
General contractor and service fee revenue	25,955	34,986	104,838	94,552
Revenues, total	241,329	231,898	743,284	677,013
Expenses:
Rental expenses	19,158	17,268	57,423	53,558
Real estate taxes	31,739	31,515	96,556	93,857
General contractor and other services expenses	23,640	33,730	99,415	89,392
Depreciation and amortization	83,924	78,855	242,920	232,216
Costs and expenses, total	158,461	161,368	496,314	469,023
Other operating activities:
Equity in earnings of unconsolidated joint ventures	3,736	5,552	12,594	15,521
Gain on sale of properties	173,646	(107)	204,075	194,741
Gain on land sales	3,869	3,915	6,569	7,221
Other operating expenses	(874)	(1,104)	(4,515)	(3,902)
Non-incremental costs related to successful leases	(1,123)	0	(6,726)	0
General and administrative expenses	(13,720)	(8,959)	(49,123)	(43,441)
Other Operating Activities, Net	165,534	(703)	162,874	170,140
Operating income	248,402	69,827	409,844	378,130
Other income (expenses):
Interest and other income, net	2,085	4,129	7,377	13,319
Interest expense	(22,604)	(21,462)	(68,246)	(62,137)
Loss on debt extinguishment	0	(89)	(13)	(240)
Gain on involuntary conversion	0	0	2,259	0
Income from continuing operations before income taxes	227,883	52,405	351,221	329,072
Income tax benefit (expense)	536	897	(6,465)	(9,495)
Income from continuing operations	228,419	53,302	344,756	319,577
Discontinued operations:
Income before gain on sales and income tax	0	85	0	108
Gain on sale of properties	112	136	366	3,157
Income from discontinued operations	112	221	366	3,265
Net income	228,531	53,523	345,122	322,842
Net loss (income) attributable to noncontrolling interests	3	(3)	19	(7)
Net income attributable to common shareholders	$ 228,534	$ 53,520	$ 345,141	$ 322,835
Basic net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	$ 0.62	$ 0.15	$ 0.95	$ 0.88
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0	0	0	0.01
Earnings Per Share, Basic	0.62	0.15	0.95	0.89
Diluted net income per common share/unit:
Continuing operations attributable to common shareholders/unitholders	0.62	0.15	0.94	0.88
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0	0	0	0.01
Earnings Per Share, Diluted	$ 0.62	$ 0.15	$ 0.94	$ 0.89
Weighted average number of common shares/units outstanding	365,558	361,200	363,542	360,585
Weighted average number of common shares/units and potential dilutive securities	367,271	361,410	365,343	362,745
Comprehensive income:
Net income	$ 228,531	$ 53,523	$ 345,122	$ 322,842
Other comprehensive loss:
Unrealized losses on interest rate swap contracts	(13,387)	0	(37,428)	0
Comprehensive income	$ 215,144	$ 53,523	$ 307,694	$ 322,842

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New Accounting Pronouncements Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Operating Lease, Lease Income [Table Text Block]

All revenues related to lease and lease-related services are included in, and comprise substantially all of, the caption "Rental and Related Revenue" on the Consolidated Statements of Operations and Comprehensive Income. The components of Rental and Related Revenue are as follows (in thousands):

	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
Rental revenue - fixed payments	$	163,516	$	481,674
Rental revenue - variable payments (1)	51,858		156,772
Rental and related revenue	$	215,374	$	638,446

(1) Primarily includes tenant recoveries for real estate taxes, insurance and CAM.

Schedule of Future Minimum Payments Receivable [Table Text Block]

The future minimum rents due to us under non-cancelable operating leases are as follows (in thousands):

Year	September 30, 2019		December 31, 2018
2019	$	153,301	$	600,385
2020	623,291		586,609
2021	600,850		529,961
2022	537,556		463,462
2023	466,514		397,150
Thereafter	2,058,372		1,582,598
	$	4,439,884	$	4,160,165

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table summarizes the future operating lease payments (in thousands) to be made under our non-cancellable lease arrangements:

Year	September 30, 2019			December 31, 2018
2019	$	1,521		$	6,487
2020	8,037			7,594
2021	3,595			2,987
2022	2,877			2,255
2023	2,585			1,949
Thereafter	86,040			85,523
Total undiscounted operating lease payments	$	104,655		$	106,795
Less: imputed interest	(59,634		)
Present value of operating lease payments	$	45,021