10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________________________________________________

FORM 10-Q

__________________________________________________________

(Mark One)

x 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 numbers: 1-13130 (Liberty Property Trust)

1-13132 (Liberty Property Limited Partnership) 

__________________________________________________________

LIBERTY PROPERTY TRUST

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Exact name of registrants as specified in their governing documents)

__________________________________________________________

MARYLAND (Liberty Property Trust)		23-7768996
PENNSYLVANIA (Liberty Property Limited Partnership)		23-2766549
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification Number)
650 East Swedesford Road
Wayne,	Pennsylvania	19087
(Address of Principal Executive Offices)		(Zip Code)

Registrants’ Telephone Number, Including Area Code (610) 648-1700

(Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report)

__________________________________________________________

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares of Beneficial Interest, $0.001 par value	LPT	New York Stock Exchange

Indicate by check mark whether the registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding twelve (12) months (or for such shorter period that the registrants were required to file such reports), and (2) have been subject to such filing requirements for the past ninety (90) days.    Yes  x    No  o

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).    Yes  x    No  o

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). (Check one):

Large Accelerated Filer	x	Accelerated Filer	o
Non-Accelerated Filer	o	Smaller Reporting Company	o
		Emerging Growth Company	o

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.  o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  o    No  x

On November 4, 2019 157,771,589 Common Shares of Beneficial Interest, par value $0.001 per share, of Liberty Property Trust were outstanding.

EXPLANATORY NOTE

This report combines the quarterly reports on Form 10-Q for the period ended September 30, 2019 of Liberty Property Trust and Liberty Property Limited Partnership. Unless stated otherwise or the context otherwise requires, references to the “Trust” mean Liberty Property Trust and its consolidated subsidiaries, and references to the “Operating Partnership” mean Liberty Property Limited Partnership and its consolidated subsidiaries. The terms the “Company,” “we,” “our” and “us” mean the Trust and the Operating Partnership, collectively.

The Trust is a self-administered and self-managed Maryland real estate investment trust (“REIT”). Substantially all of the Trust's assets are owned directly or indirectly, and substantially all of the Trust's operations are conducted directly or indirectly, by its subsidiary, the Operating Partnership, a Pennsylvania limited partnership.

The Trust is the sole general partner and also a limited partner of the Operating Partnership, owning 97.8% of the common equity of the Operating Partnership at September 30, 2019. The common units of limited partnership interest in the Operating Partnership (the “Common Units”), other than those owned by the Trust, are exchangeable on a one-for-one basis (subject to anti-dilution protections) for the Trust's common shares of beneficial interest, $0.001 par value per share (the “Common Shares”).

The financial results of the Operating Partnership are consolidated into the financial statements of the Trust. The Trust has no significant assets other than its investment in the Operating Partnership. The Trust and the Operating Partnership are managed and operated as one entity. The Trust and the Operating Partnership have the same managers.

The Trust's sole business purpose is to act as the general partner of the Operating Partnership. Net proceeds from equity issuances by the Trust are contributed to the Operating Partnership in exchange for partnership units. The Trust itself does not issue any indebtedness, but guarantees certain of the unsecured debt of the Operating Partnership.

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

• enhances investors' understanding of the Trust and the Operating 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 since a substantial portion of the Company's disclosure applies to both the Trust and the Operating Partnership; and

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

To help investors understand the significant differences between the Trust and the Operating Partnership, this report presents the following separate sections for each of the Trust and the Operating Partnership:

• consolidated financial statements;

• the following notes to the consolidated financial statements;

◦ Income per Common Share of the Trust and Income per Common Unit of the Operating Partnership;

◦ Noncontrolling Interests of the Trust and Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

This report also includes separate Item 4. Controls and Procedures sections and separate Exhibit 31 and 32 certifications for each of the Trust and the Operating Partnership in order to establish that the Chief Executive Officer and the Chief Financial Officer of each entity have made the requisite certifications and that the Trust and Operating Partnership are compliant with Rule 13a-15 and Rule 15d-15 of the Securities Exchange Act of 1934, as amended.

2

Liberty Property Trust/Liberty Property Limited Partnership

Form 10-Q for the period ended September 30, 2019

Index		Page
PART I.	FINANCIAL INFORMATION
Item 1.	Financial Statements
	Consolidated balance sheets of Liberty Property Trust at September 30, 2019 and December 31, 2018	5
	Consolidated statements of comprehensive income of Liberty Property Trust for the three months ended September 30, 2019 and September 30, 2018	6
	Consolidated statements of comprehensive income of Liberty Property Trust for the nine months ended September 30, 2019 and September 30, 2018	7
	Consolidated statements of equity of Liberty Property Trust for the three months ended September 30, 2019 and September 30, 2018	8
	Consolidated statements of equity of Liberty Property Trust for the nine months ended September 30, 2019 and September 30, 2018	9
	Consolidated statements of cash flows of Liberty Property Trust for the nine months ended September 30, 2019 and September 30, 2018	10
	Consolidated balance sheets of Liberty Property Limited Partnership at September 30, 2019 and December 31, 2018	11
	Consolidated statements of comprehensive income of Liberty Property Limited Partnership for the three months ended September 30, 2019 and September 30, 2018	12
	Consolidated statements of comprehensive income of Liberty Property Limited Partnership for the nine months ended September 30, 2019 and September 30, 2018	13
	Consolidated statements of owners' equity of Liberty Property Limited Partnership for the three months ended September 30, 2019 and September 30, 2018	14
	Consolidated statements of owners' equity of Liberty Property Limited Partnership for the nine months ended September 30, 2019 and September 30, 2018	15
	Consolidated statements of cash flows of Liberty Property Limited Partnership for the nine months ended September 30, 2019 and September 30, 2018	16
	Notes to consolidated financial statements of the Company	17
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	36
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	50
Item 4.	Controls and Procedures	50
PART II.	OTHER INFORMATION	52
Item 1.	Legal Proceedings	52
Item 1A.	Risk Factors	52
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	55
Item 3.	Defaults Upon Senior Securities	56

3

Index		Page
Item 4.	Mine Safety Disclosures	56
Item 5.	Other Information	56
Item 6.	Exhibits	57
Signatures for Liberty Property Trust		59
Signatures for Liberty Property Limited Partnership		60
	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(A)
	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(A)
	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(A)
	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(A)
	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(B)
	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST REQUIRED BY RULE 13A-14(B)
	CERTIFICATION OF CEO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(B)
	CERTIFICATION OF CFO OF LIBERTY PROPERTY TRUST, IN ITS CAPACITY AS THE GENERAL PARTNER OF LIBERTY PROPERTY LIMITED PARTNERSHIP, REQUIRED BY RULE 13A-14(B)
	XBRL Instance Document
	XBRL Taxonomy Extension Schema Document
	XBRL Taxonomy Extension Calculation Linkbase Document
	XBRL Taxonomy Extension Definition Linkbase Document
	XBRL Extension Labels Linkbase
	XBRL Taxonomy Extension Presentation Linkbase Document
	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

4

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

CONSOLIDATED BALANCE SHEETS OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands, except share and unit amounts)

	September 30, 2019			December 31, 2018
ASSETS
Real estate:
Land and land improvements	$	1,393,474		$	1,236,514
Building and improvements	4,785,171			4,397,049
Less accumulated depreciation	(1,040,249		)	(941,299		)
Operating real estate	5,138,396			4,692,264
Development in progress	323,790			462,572
Land held for development	303,440			296,244
Net real estate	5,765,626			5,451,080
Cash and cash equivalents	514,882			84,923
Restricted cash	14,006			10,899
Accounts receivable	16,975			14,109
Deferred rent receivable	124,509			111,372
Deferred financing and leasing costs, net of accumulated amortization (September 30, 2019, $192,325; December 31, 2018, $165,553)	162,235			157,823
Investments in and advances to unconsolidated joint ventures	347,880			350,981
Assets held for sale	226,504			502,207
Right of use asset	17,664			—
Prepaid expenses and other assets	148,451			251,000
Total assets	$	7,338,732		$	6,934,394
LIABILITIES
Mortgage loans, net	$	297,326		$	395,202
Unsecured notes, net	2,633,941			2,285,698
Credit facilities	100,000			411,846
Accounts payable	54,953			62,943
Accrued interest	36,530			22,309
Dividend and distributions payable	65,921			60,560
Lease liabilities	18,379			—
Other liabilities	204,963			270,396
Liabilities held for sale	15,939			21,131
Total liabilities	3,427,952			3,530,085
Noncontrolling interest - operating partnership - 213,483 and 301,483 preferred units outstanding as of September 30, 2019 and December 31, 2018, respectively	5,337			7,537
EQUITY
Liberty Property Trust shareholders’ equity
Common shares of beneficial interest, $.001 par value, 283,987,000 shares authorized; 157,755,598 and 147,899,354 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	158			148
Additional paid-in capital	4,145,822			3,691,778
Accumulated other comprehensive loss	(64,496		)	(55,243		)
Distributions in excess of net income	(238,629		)	(306,822		)
Total Liberty Property Trust shareholders’ equity	3,842,855			3,329,861
Noncontrolling interest – operating partnership - 3,494,049 and 3,520,205 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	62,308			61,471
Noncontrolling interest – consolidated joint ventures	280			5,440
Total equity	3,905,443			3,396,772
Total liabilities, noncontrolling interest - operating partnership and equity	$	7,338,732		$	6,934,394

See accompanying notes.

5

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands, except per share amounts)

	Three Months Ended
	September 30, 2019			September 30, 2018
REVENUE
Rental revenue	$	162,912		$	148,330
Development service fee income	257			12,956
Total revenue	163,169			161,286
EXPENSES
Rental property	12,012			12,871
Real estate taxes	23,001			22,693
General and administrative	10,186			9,807
Leasing expense	3,082			2,610
Other operating expense	3,166			3,169
Interest expense	25,791			23,133
Depreciation and amortization	43,972			41,004
Development service fee expense	168			12,924
Total expenses	121,378			128,211
Interest and other income	2,630			3,474
Gain on property dispositions	15,168			2,002
Equity in earnings of unconsolidated joint ventures	1,776			6,766
Income from continuing operations before income taxes	61,365			45,317
Income taxes	(878		)	(444		)
Income from continuing operations	60,487			44,873
Discontinued operations (including gain on asset sales, net of impairments, of $37.2 million and $94.9 million for the three months ended September 30, 2019 and 2018, respectively)	42,189			109,198
Net income	102,676			154,071
Noncontrolling interest – operating partnership	(2,309		)	(3,696		)
Noncontrolling interest – consolidated joint ventures	(3		)	(232		)
Net income available to common shareholders	$	100,364		$	150,143
Net income	$	102,676		$	154,071
Other comprehensive loss - foreign currency translation	(7,056		)	(3,015		)
Other comprehensive income - derivative instruments	83			6
Other comprehensive loss	(6,973		)	(3,009		)
Total comprehensive income	95,703			151,062
Less: comprehensive income attributable to noncontrolling interest	(2,463		)	(3,858		)
Comprehensive income attributable to common shareholders	$	93,240		$	147,204
Earnings per common share
Basic:
Income from continuing operations	$	0.39		$	0.30
Income from discontinued operations	0.28			0.72
Income per common share – basic	$	0.67		$	1.02
Diluted:
Income from continuing operations	$	0.39		$	0.29
Income from discontinued operations	0.27			0.72
Income per common share – diluted	$	0.66		$	1.01
Weighted average number of common shares outstanding
Basic	150,140			147,324
Diluted	150,979			148,271
Amounts attributable to common shareholders
Income from continuing operations	$	59,091		$	43,713
Discontinued operations	41,273			106,430
Net income available to common shareholders	$	100,364		$	150,143

See accompanying notes.

6

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands, except per share amounts)

	Nine Months Ended
	September 30, 2019			September 30, 2018
REVENUE
Rental revenue	$	479,644		$	439,812
Development service fee income	2,099			59,132
Total revenue	481,743			498,944
EXPENSES
Rental property	39,780			39,340
Real estate taxes	68,862			65,988
General and administrative	35,483			32,747
Leasing expense	9,608			8,189
Other operating expense	8,690			7,467
Interest expense	76,644			66,189
Depreciation and amortization	130,402			120,586
Development service fee expense	1,848			120,799
Impairment charges - real estate assets	99			26,000
Total expenses	371,416			487,305
Interest and other income	13,887			8,737
Gain on property dispositions	21,125			54,705
Equity in earnings of unconsolidated joint ventures	10,966			20,958
Income from continuing operations before income taxes	156,305			96,039
Income taxes	(1,449		)	(1,884		)
Income from continuing operations	154,856			94,155
Discontinued operations (including gain on asset sales, net of impairments and debt extinguishment loss, of $87.4 million and $184.7 million for the nine months ended September 30, 2019 and 2018, respectively)	105,905			224,531
Net income	260,761			318,686
Noncontrolling interest – operating partnership	(6,126		)	(7,738		)
Noncontrolling interest – consolidated joint ventures	(170		)	(1,010		)
Net income available to common shareholders	$	254,465		$	309,938
Net income	$	260,761		$	318,686
Other comprehensive loss - foreign currency translation	(7,574		)	(9,221		)
Other comprehensive (loss) income - derivative instruments	(1,887		)	493
Other comprehensive loss	(9,461		)	(8,728		)
Total comprehensive income	251,300			309,958
Less: comprehensive income attributable to noncontrolling interest	(6,390		)	(8,545		)
Comprehensive income attributable to common shareholders	$	244,910		$	301,413
Earnings per common share
Basic:
Income from continuing operations	$	1.02		$	0.62
Income from discontinued operations	0.69			1.48
Income per common share – basic	$	1.71		$	2.10
Diluted:
Income from continuing operations	$	1.01		$	0.61
Income from discontinued operations	0.69			1.48
Income per common share – diluted	$	1.70		$	2.09
Weighted average number of common shares outstanding
Basic	148,532			147,241
Diluted	149,383			148,160
Amounts attributable to common shareholders
Income from continuing operations	$	151,150		$	91,051
Discontinued operations	103,315			218,887
Net income available to common shareholders	$	254,465		$	309,938

See accompanying notes.

7

CONSOLIDATED STATEMENTS OF EQUITY OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands)

	Three Months Ended September 30, 2019
	NUMBER OF COMMON SHARES	COMMON SHARES OF BENEFICIAL INTEREST		ADDITIONAL PAID-IN CAPITAL		ACCUMULATED OTHER COMPREHENSIVE LOSS			DISTRIBUTIONS IN EXCESS OF NET INCOME			TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP			NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES		TOTAL EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP (MEZZANINE)
Balance at July 1, 2019	148,258,042	$	148	$	3,687,085	$	(57,674	)	$	(274,311	)	$	3,355,248		$	61,839		$	277	$	3,417,364		$	5,337
Net proceeds from the issuance of common shares	9,478,556	10		457,108		—			—			457,118			—			—		457,118			—
Net income	—	—		—		—			100,364			100,364			2,226			3		102,593			83
Distributions	—	—		—		—			(64,682		)	(64,682		)	(1,272		)	—		(65,954		)	(83		)
Share-based compensation net of shares related to tax withholdings	—	—		1,295		—			—			1,295			—			—		1,295			—
Other comprehensive loss - foreign currency translation	—	—		—		(6,903		)	—			(6,903		)	(153		)	—		(7,056		)	—
Other comprehensive income - derivative instruments	—	—		—		81			—			81			2			—		83			—
Redemption of noncontrolling interests – common units	19,000	—		334		—			—			334			(334		)	—		—			—
Balance at September 30, 2019	157,755,598	$	158	$	4,145,822	$	(64,496	)	$	(238,629	)	$	3,842,855		$	62,308		$	280	$	3,905,443		$	5,337

	Three Months Ended September 30, 2018
	NUMBER OF COMMON SHARES	COMMON SHARES OF BENEFICIAL INTEREST		ADDITIONAL PAID-IN CAPITAL		ACCUMULATED OTHER COMPREHENSIVE LOSS			DISTRIBUTIONS IN EXCESS OF NET INCOME			TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP			NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES			TOTAL EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP (MEZZANINE)
Balance at July 1, 2018	147,796,618	$	148	$	3,686,505	$	(43,383	)	$	(508,386	)	$	3,134,884		$	56,918		$	5,423		$	3,197,225		$	7,537
Net proceeds from the issuance of common shares	15,703	—		728		—			—			728			—			—			728			—
Net income	—	—		—		—			150,143			150,143			3,578			232			153,953			118
Distributions	—	—		—		—			(59,114		)	(59,114		)	(1,369		)	(228		)	(60,711		)	(118		)
Share-based compensation net of shares related to tax withholdings	—	—		1,398		—			—			1,398			—			—			1,398			—
Other comprehensive loss - foreign currency translation	—	—		—		(2,945		)	—			(2,945		)	(70		)	—			(3,015		)	—
Other comprehensive income - derivative instruments	—	—		—		6			—			6			—			—			6			—
Balance at September 30, 2018	147,812,321	$	148	$	3,688,631	$	(46,322	)	$	(417,357	)	$	3,225,100		$	59,057		$	5,427		$	3,289,584		$	7,537

See accompanying notes.

8

CONSOLIDATED STATEMENTS OF EQUITY OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands)

	Nine Months Ended September 30, 2019
	NUMBER OF COMMON SHARES	COMMON SHARES OF BENEFICIAL INTEREST		ADDITIONAL PAID-IN CAPITAL			ACCUMULATED OTHER COMPREHENSIVE LOSS			DISTRIBUTIONS IN EXCESS OF NET INCOME			TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP			NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES			TOTAL EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP (MEZZANINE)
Balance at January 1, 2019	147,899,354	$	148	$	3,691,778		$	(55,243	)	$	(306,822	)	$	3,329,861		$	61,471		$	5,440		$	3,396,772		$	7,537
Net proceeds from the issuance of common shares	9,830,088	10		462,107			—			—			462,117			—			—			462,117			—
Net income	—	—		—			—			254,465			254,465			5,875			170			260,510			251
Distributions	—	—		—			—			(186,272		)	(186,272		)	(4,371		)	(167		)	(190,810		)	(251		)
Share-based compensation net of shares related to tax withholdings	—	—		4,828			—			—			4,828			—			—			4,828			—
Other comprehensive loss - foreign currency translation	—	—		—			(7,410		)	—			(7,410		)	(164		)	—			(7,574		)	—
Other comprehensive loss - derivative instruments	—	—		—			(1,843		)	—			(1,843		)	(44		)	—			(1,887		)	—
Acquisition of noncontrolling interest	—	—		(13,350		)	—			—			(13,350		)	—			(5,163		)	(18,513		)	—
Redemption of noncontrolling interests – common units	26,156	—		459			—			—			459			(459		)	—			—			—
Redemption of noncontrolling interest - preferred units	—	—		—			—			—			—			—			—			—			(2,200		)
Balance at September 30, 2019	157,755,598	$	158	$	4,145,822		$	(64,496	)	$	(238,629	)	$	3,842,855		$	62,308		$	280		$	3,905,443		$	5,337

	Nine Months Ended September 30, 2018
	NUMBER OF COMMON SHARES	COMMON SHARES OF BENEFICIAL INTEREST		ADDITIONAL PAID-IN CAPITAL		ACCUMULATED OTHER COMPREHENSIVE LOSS			DISTRIBUTIONS IN EXCESS OF NET INCOME			TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP			NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES			TOTAL EQUITY			NONCONTROLLING INTEREST - OPERATING PARTNERSHIP (MEZZANINE)
Balance at January 1, 2018	147,450,691	$	147	$	3,674,978	$	(37,797	)	$	(549,970	)	$	3,087,358		$	56,159		$	4,849		$	3,148,366		$	7,537
Net proceeds from the issuance of common shares	361,630	1		5,254		—			—			5,255			—			—			5,255			—
Net income	—	—		—		—			309,938			309,938			7,384			1,010			318,332			354
Distributions	—	—		—		—			(177,325		)	(177,325		)	(4,283		)	(432		)	(182,040		)	(354		)
Share-based compensation net of shares related to tax withholdings	—	—		8,399		—			—			8,399			—			—			8,399			—
Other comprehensive loss - foreign currency translation	—	—		—		(9,007		)	—			(9,007		)	(214		)	—			(9,221		)	—
Other comprehensive income - derivative instruments	—	—		—		482			—			482			11			—			493			—
Balance at September 30, 2018	147,812,321	$	148	$	3,688,631	$	(46,322	)	$	(417,357	)	$	3,225,100		$	59,057		$	5,427		$	3,289,584		$	7,537

See accompanying notes.

9

CONSOLIDATED STATEMENTS OF CASH FLOWS OF LIBERTY PROPERTY TRUST

(Unaudited and in thousands)

	Nine Months Ended
	September 30, 2019			September 30, 2018
OPERATING ACTIVITIES
Net income	$	260,761		$	318,686
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	132,511			132,276
Amortization of deferred financing costs	3,498			2,876
Expensed pursuit costs	864			1,675
Impairment charges - real estate assets	21,581			26,000
Loss on debt extinguishment	7,618			—
Equity in earnings of unconsolidated joint ventures	(10,966		)	(20,958		)
Distributions from unconsolidated joint ventures	1,500			—
Gain on property dispositions	(137,577		)	(239,394		)
Share-based compensation	12,405			12,310
Development service fee accrual	—			61,705
Other	(8,875		)	(3,612		)
Changes in operating assets and liabilities:
Accounts receivable	(3,069		)	(1,543		)
Deferred rent receivable	(14,366		)	(14,782		)
Prepaid expenses and other assets	2,102			29,981
Accounts payable	(4,729		)	(6,435		)
Accrued interest	14,221			13,695
Other liabilities	(50,874		)	(16,035		)
Net cash provided by operating activities	226,605			296,445
INVESTING ACTIVITIES
Investment in properties – acquisitions	(208,786		)	(293,049		)
Investment in properties – other	(31,856		)	(34,331		)
Investments in and advances to unconsolidated joint ventures	(8,567		)	(79,036		)
Distributions from unconsolidated joint ventures	20,739			30,055
Net proceeds from disposition of properties/land	412,474			574,542
Investment in development in progress	(165,820		)	(165,197		)
Investment in land held for development	(60,573		)	(171,221		)
Payment of deferred leasing costs	(25,173		)	(18,452		)
Release (deposit) of escrows and other	90,660			(128,910		)
Net cash provided by (used in) investing activities	23,098			(285,599		)
FINANCING ACTIVITIES
Net proceeds from issuance of common shares	462,117			5,255
Share repurchases, including shares related to tax withholdings	(8,847		)	(4,638		)
Redemption of preferred units	(2,200		)	—
Proceeds from unsecured notes	349,097			—
Repayments of mortgage loans including prepayment penalty	(98,467		)	(31,954		)
Proceeds from credit facility	250,130			1,187,357
Repayments on credit facility	(561,976		)	(975,456		)
Payment of deferred financing costs	(2,789		)	(15		)
Acquisition of noncontrolling interests	(18,513		)	—
Distribution paid on common shares	(180,735		)	(177,210		)
Distribution to partners/noncontrolling interests	(4,960		)	(5,130		)
Net cash provided by (used in) financing activities	182,857			(1,791		)
Net increase in cash, cash equivalents and restricted cash	432,560			9,055
Increase (decrease) in cash, cash equivalents and restricted cash related to foreign currency translation	506			(3,599		)
Cash, cash equivalents and restricted cash at beginning of period	95,822			25,685
Cash, cash equivalents and restricted cash at end of period	$	528,888		$	31,141

See accompanying notes.

10

CONSOLIDATED BALANCE SHEETS OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands, except unit amounts)

	September 30, 2019			December 31, 2018
ASSETS
Real estate:
Land and land improvements	$	1,393,474		$	1,236,514
Building and improvements	4,785,171			4,397,049
Less accumulated depreciation	(1,040,249		)	(941,299		)
Operating real estate	5,138,396			4,692,264
Development in progress	323,790			462,572
Land held for development	303,440			296,244
Net real estate	5,765,626			5,451,080
Cash and cash equivalents	514,882			84,923
Restricted cash	14,006			10,899
Accounts receivable	16,975			14,109
Deferred rent receivable	124,509			111,372
Deferred financing and leasing costs, net of accumulated amortization (September 30, 2019, $192,325; December 31, 2018, $165,553)	162,235			157,823
Investments in and advances to unconsolidated joint ventures	347,880			350,981
Assets held for sale	226,504			502,207
Right of use asset	17,664			—
Prepaid expenses and other assets	148,451			251,000
Total assets	$	7,338,732		$	6,934,394
LIABILITIES
Mortgage loans, net	$	297,326		$	395,202
Unsecured notes, net	2,633,941			2,285,698
Credit facilities	100,000			411,846
Accounts payable	54,953			62,943
Accrued interest	36,530			22,309
Distributions payable	65,921			60,560
Lease liabilities	18,379			—
Other liabilities	204,963			270,396
Liabilities held for sale	15,939			21,131
Total liabilities	3,427,952			3,530,085
Limited partners’ equity - 213,483 and 301,483 preferred units outstanding as of September 30, 2019 and December 31, 2018, respectively	5,337			7,537
OWNERS’ EQUITY
General partner’s equity - 157,755,598 and 147,899,354 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	3,842,855			3,329,861
Limited partners’ equity – 3,494,049 and 3,520,205 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	62,308			61,471
Noncontrolling interest – consolidated joint ventures	280			5,440
Total owners’ equity	3,905,443			3,396,772
Total liabilities, limited partners’ equity and owners’ equity	$	7,338,732		$	6,934,394

See accompanying notes.

11

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands, except per unit amounts)

 

	Three Months Ended
	September 30, 2019			September 30, 2018
REVENUE
Rental revenue	$	162,912		$	148,330
Development service fee income	257			12,956
Total revenue	163,169			161,286
EXPENSES
Rental property	12,012			12,871
Real estate taxes	23,001			22,693
General and administrative	10,186			9,807
Leasing expense	3,082			2,610
Other operating expense	3,166			3,169
Interest expense	25,791			23,133
Depreciation and amortization	43,972			41,004
Development service fee expense	168			12,924
Total expenses	121,378			128,211
Interest and other income	2,630			3,474
Gain on property dispositions	15,168			2,002
Equity in earnings of unconsolidated joint ventures	1,776			6,766
Income from continuing operations before income taxes	61,365			45,317
Income taxes	(878		)	(444		)
Income from continuing operations	60,487			44,873
Discontinued operations (including gain on asset sales, net of impairments, of $37.2 million and $94.9 million for the three months ended September 30, 2019 and 2018, respectively)	42,189			109,198
Net income	102,676			154,071
Noncontrolling interest – consolidated joint ventures	(3		)	(232		)
Preferred unit distributions	(83		)	(118		)
Net income available to common unitholders	$	102,590		$	153,721
Net income	$	102,676		$	154,071
Other comprehensive loss - foreign currency translation	(7,056		)	(3,015		)
Other comprehensive income - derivative instruments	83			6
Other comprehensive loss	(6,973		)	(3,009		)
Total comprehensive income	$	95,703		$	151,062
Earnings per common unit
Basic:
Income from continuing operations	$	0.39		$	0.30
Income from discontinued operations	0.28			0.72
Income per common unit - basic	$	0.67		$	1.02
Diluted:
Income from continuing operations	$	0.39		$	0.29
Income from discontinued operations	0.27			0.72
Income per common unit - diluted	$	0.66		$	1.01
Weighted average number of common units outstanding
Basic	153,646			150,844
Diluted	154,485			151,791
Net income allocated to general partners	$	100,364		$	150,143
Net income allocated to limited partners	$	2,309		$	3,696

See accompanying notes.

12

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands, except per unit amounts)

	Nine Months Ended
	September 30, 2019			September 30, 2018
REVENUE
Rental revenue	$	479,644		$	439,812
Development service fee income	2,099			59,132
Total revenue	481,743			498,944
EXPENSES
Rental property	39,780			39,340
Real estate taxes	68,862			65,988
General and administrative	35,483			32,747
Leasing expense	9,608			8,189
Other operating expense	8,690			7,467
Interest expense	76,644			66,189
Depreciation and amortization	130,402			120,586
Development service fee expense	1,848			120,799
Impairment charges - real estate assets	99			26,000
Total expenses	371,416			487,305
Interest and other income	13,887			8,737
Gain on property dispositions	21,125			54,705
Equity in earnings of unconsolidated joint ventures	10,966			20,958
Income from continuing operations before income taxes	156,305			96,039
Income taxes	(1,449		)	(1,884		)
Income from continuing operations	154,856			94,155
Discontinued operations (including gain on asset sales, net of impairments and debt extinguishment loss, of $87.4 million and $184.7 million for the nine months ended September 30, 2019 and 2018, respectively)	105,905			224,531
Net income	260,761			318,686
Noncontrolling interest – consolidated joint ventures	(170		)	(1,010		)
Preferred unit distributions	(251		)	(354		)
Income available to common unitholders	$	260,340		$	317,322
Net income	$	260,761		$	318,686
Other comprehensive loss - foreign currency translation	(7,574		)	(9,221		)
Other comprehensive (loss) income - derivative instruments	(1,887		)	493
Other comprehensive loss	(9,461		)	(8,728		)
Total comprehensive income	$	251,300		$	309,958
Earnings per common unit
Basic:
Income from continuing operations	$	1.02		$	0.62
Income from discontinued operations	0.69			1.48
Income per common unit - basic	$	1.71		$	2.10
Diluted:
Income from continuing operations	$	1.01		$	0.61
Income from discontinued operations	0.69			1.48
Income per common unit - diluted	$	1.70		$	2.09
Weighted average number of common units outstanding
Basic	152,045			150,761
Diluted	152,896			151,680
Net income allocated to general partners	$	254,465		$	309,938
Net income allocated to limited partners	$	6,126		$	7,738

See accompanying notes.

13

CONSOLIDATED STATEMENTS OF OWNERS’ EQUITY OF LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands)

	Three Months Ended September 30, 2019
	GENERAL PARTNER'S COMMON UNITS	LIMITED PARTNERS' COMMON UNITS		GENERAL PARTNER’S EQUITY			LIMITED PARTNERS’ EQUITY  – COMMON UNITS			NONCONTROLLING INTEREST – CONSOLIDATED JOINT VENTURES		TOTAL OWNERS’ EQUITY			LIMITED PARTNERS' EQUITY - PREFERRED
Balance at July 1, 2019	148,258,042	3,513,049		$	3,355,248		$	61,839		$	277	$	3,417,364		$	5,337
Contributions from partners	9,478,556	—		458,413			—			—		458,413			—
Distributions to partners	—	—		(64,682		)	(1,272		)	—		(65,954		)	(83		)
Other comprehensive loss - foreign currency translation	—	—		(6,903		)	(153		)	—		(7,056		)	—
Other comprehensive income - derivative instruments	—	—		81			2			—		83			—
Net income	—	—		100,364			2,226			3		102,593			83
Redemption of limited partners common units for common shares	19,000	(19,000	)	334			(334		)	—		—			—
Balance at September 30, 2019	157,755,598	3,494,049		$	3,842,855		$	62,308		$	280	$	3,905,443		$	5,337

	Three Months Ended September 30, 2018
	GENERAL PARTNER'S COMMON UNITS	LIMITED PARTNERS' COMMON UNITS	GENERAL PARTNER’S EQUITY			LIMITED PARTNERS’ EQUITY  – COMMON UNITS			NONCONTROLLING INTEREST – CONSOLIDATED JOINT VENTURES			TOTAL OWNERS’ EQUITY			LIMITED PARTNERS' EQUITY - PREFERRED
Balance at July 1, 2018	147,796,618	3,520,205	$	3,134,884		$	56,918		$	5,423		$	3,197,225		$	7,537
Contributions from partners	15,703	—	2,126			—			—			2,126			—
Distributions to partners	—	—	(59,114		)	(1,369		)	(228		)	(60,711		)	(118		)
Other comprehensive loss - foreign currency translation	—	—	(2,945		)	(70		)	—			(3,015		)	—
Other comprehensive income - derivative instruments	—	—	6			—			—			6			—
Net income	—	—	150,143			3,578			232			153,953			118
Balance at September 30, 2018	147,812,321	3,520,205	$	3,225,100		$	59,057		$	5,427		$	3,289,584		$	7,537

See accompanying notes.

14

CONSOLIDATED STATEMENTS OF OWNERS’ EQUITY OF LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands)

	Nine Months Ended September 30, 2019
	GENERAL PARTNER'S COMMON UNITS	LIMITED PARTNERS' COMMON UNITS		GENERAL PARTNER’S EQUITY			LIMITED PARTNERS’ EQUITY  – COMMON UNITS			NONCONTROLLING INTEREST – CONSOLIDATED JOINT VENTURES			TOTAL OWNERS’ EQUITY			LIMITED PARTNERS' EQUITY - PREFERRED
Balance at January 1, 2019	147,899,354	3,520,205		$	3,329,861		$	61,471		$	5,440		$	3,396,772		$	7,537
Contributions from partners	9,830,088	—		466,945			—			—			466,945			—
Distributions to partners	—	—		(186,271		)	(4,371		)	(167		)	(190,809		)	(251		)
Other comprehensive loss - foreign currency translation	—	—		(7,410		)	(164		)	—			(7,574		)	—
Other comprehensive loss - derivative instruments	—	—		(1,843		)	(44		)	—			(1,887		)	—
Net income	—	—		254,464			5,875			170			260,509			251
Redemption of limited partners common units for common shares	26,156	(26,156	)	459			(459		)	—			—			—
Acquisition of noncontrolling interest	—	—		(13,350		)	—			(5,163		)	(18,513		)	—
Redemption of noncontrolling interest preferred units	—	—		—			—			—			—			(2,200		)
Balance at September 30, 2019	157,755,598	3,494,049		$	3,842,855		$	62,308		$	280		$	3,905,443		$	5,337

	Nine Months Ended September 30, 2018
	GENERAL PARTNER'S COMMON UNITS	LIMITED PARTNERS' COMMON UNITS	GENERAL PARTNER’S EQUITY			LIMITED PARTNERS’ EQUITY  – COMMON UNITS			NONCONTROLLING INTEREST – CONSOLIDATED JOINT VENTURES			TOTAL OWNERS’ EQUITY			LIMITED PARTNERS' EQUITY - PREFERRED
Balance at January 1, 2018	147,450,691	3,520,205	$	3,087,358		$	56,159		$	4,849		$	3,148,366		$	7,537
Contributions from partners	361,630	—	13,654			—			—			13,654			—
Distributions to partners	—	—	(177,325		)	(4,283		)	(432		)	(182,040		)	(354		)
Other comprehensive loss - foreign currency translation	—	—	(9,007		)	(214		)	—			(9,221		)	—
Other comprehensive income - derivative instruments	—	—	482			11			—			493			—
Net income	—	—	309,938			7,384			1,010			318,332			354
Balance at September 30, 2018	147,812,321	3,520,205	$	3,225,100		$	59,057		$	5,427		$	3,289,584		$	7,537

See accompanying notes.

15

CONSOLIDATED STATEMENTS OF CASH FLOWS OF

LIBERTY PROPERTY LIMITED PARTNERSHIP

(Unaudited and in thousands)

	Nine Months Ended
	September 30, 2019			September 30, 2018
OPERATING ACTIVITIES
Net income	$	260,761		$	318,686
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	132,511			132,276
Amortization of deferred financing costs	3,498			2,876
Expensed pursuit costs	864			1,675
Impairment charges - real estate assets	21,581			26,000
Loss on debt extinguishment	7,618			—
Equity in earnings of unconsolidated joint ventures	(10,966		)	(20,958		)
Distributions from unconsolidated joint ventures	1,500			—
Gain on property dispositions	(137,577		)	(239,394		)
Noncash compensation	12,405			12,310
Development service fee accrual	—			61,705
Other	(8,875		)	(3,612		)
Changes in operating assets and liabilities:
Accounts receivable	(3,069		)	(1,543		)
Deferred rent receivable	(14,366		)	(14,782		)
Prepaid expenses and other assets	2,102			29,981
Accounts payable	(4,729		)	(6,435		)
Accrued interest	14,221			13,695
Other liabilities	(50,874		)	(16,035		)
Net cash provided by operating activities	226,605			296,445
INVESTING ACTIVITIES
Investment in properties – acquisitions	(208,786		)	(293,049		)
Investment in properties – other	(31,856		)	(34,331		)
Investments in and advances to unconsolidated joint ventures	(8,567		)	(79,036		)
Distributions from unconsolidated joint ventures	20,739			30,055
Net proceeds from disposition of properties/land	412,474			574,542
Investment in development in progress	(165,820		)	(165,197		)
Investment in land held for development	(60,573		)	(171,221		)
Payment of deferred leasing costs	(25,173		)	(18,452		)
Release (deposit) of escrows and other	90,660			(128,910		)
Net cash provided by (used in) investing activities	23,098			(285,599		)
FINANCING ACTIVITIES
Redemption of preferred units	(2,200		)	—
Proceeds from unsecured notes	349,097			—
Repayments of mortgage loans including prepayment penalty	(98,467		)	(31,954		)
Proceeds from credit facility	250,130			1,187,357
Repayments on credit facility	(561,976		)	(975,456		)
Payment of deferred financing costs	(2,789		)	(15		)
Acquisition of noncontrolling interests	(18,513		)	—
Capital contributions	462,117			5,255
Distributions to partners/noncontrolling interests	(194,542		)	(186,978		)
Net cash provided by (used in) financing activities	182,857			(1,791		)
Net increase in cash, cash equivalents and restricted cash	432,560			9,055
Increase (decrease) in cash, cash equivalents and restricted cash related to foreign currency translation	506			(3,599		)
Cash, cash equivalents and restricted cash at beginning of period	95,822			25,685
Cash, cash equivalents and restricted cash at end of period	$	528,888		$	31,141

See accompanying notes.

16

Liberty Property Trust and Liberty Property Limited Partnership

Notes to Consolidated Financial Statements (Unaudited)

September 30, 2019

Note 1: Organization and Basis of Presentation

Organization

Liberty Property Trust (the “Trust”) is a self-administered and self-managed Maryland real estate investment trust (a “REIT”). Substantially all of the Trust’s assets are owned directly or indirectly, and substantially all of the Trust’s operations are conducted directly or indirectly, by its subsidiary, Liberty Property Limited Partnership, a Pennsylvania limited partnership (the “Operating Partnership” and, together with the Trust and their consolidated subsidiaries, the “Company”). The Trust is the sole general partner and also a limited partner of the Operating Partnership, owning 97.8% of the common equity of the Operating Partnership at September 30, 2019. The Company owns and operates industrial properties in the United States nationally, as well as in the United Kingdom. Prior to the Company's proposed merger with Prologis, Inc. described in Note 17, the Company had intended to divest its remaining office properties (other than its headquarters) over the next few years and focus its efforts and capital solely on its industrial platform. Unless otherwise indicated, the notes to the Consolidated Financial Statements apply to both the Trust and the Operating Partnership. The terms the “Company,” “we,” “our” and “us” mean the Trust and Operating Partnership collectively.

The Operating Partnership is a variable interest entity (“VIE”) of the Trust as the limited partners do not have substantive kick-out or participating rights. The Trust is the primary beneficiary of the Operating Partnership as it has the power to direct the activities of the Operating Partnership and the rights to absorb 97.8% of the net income of the Operating Partnership. The Trust has no significant assets or liabilities other than its investment in the Operating Partnership. As the Operating Partnership is already consolidated in the balance sheets of the Trust, the identification of this entity as a VIE has no impact on the consolidated financial statements of the Trust. In addition, the Company holds a 20% interest in Liberty/Comcast 1701 JFK Boulevard, LP which was determined to be a VIE. The Company determined that it is not the primary beneficiary as the Company and its third party partner share control of the joint venture. The Company's maximum exposure to loss is equal to its equity investment in the joint venture which was $73.9 million and $75.1 million as of September 30, 2019 and December 31, 2018, respectively.

Basis of Presentation

The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with United States generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements and should be read in conjunction with the consolidated financial statements and notes thereto included in the Annual Report on Form 10-K of the Company for the year ended December 31, 2018. In the opinion of management, all adjustments (consisting solely of normal recurring adjustments) necessary for a fair presentation of the financial statements for these interim periods have been included. The results of interim periods are not necessarily indicative of the results to be obtained for a full fiscal year.

Revenue Recognition

In May 2014, the Financial Accounting Standards Board (“FASB”) issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”), which supersedes nearly all existing revenue recognition guidance (except revenue in the scope of other accounting standards, including standards related to leasing). Subsequently, the FASB issued supplementary standards providing additional guidance and targeted improvements to ASU 2014-09 (collectively, the “Revenue Standards”). The Revenue Standards provide a unified model to determine how revenue is recognized. In accordance with the Revenue Standards, the Company performs the following steps: (i) identify the contract with the customer, (ii) identify the performance obligations within the contract, (iii) determine the transaction price, (iv) allocate the transaction price to the performance obligations and (v) recognize revenue when (or as) a performance obligation is satisfied.

Upon adoption of the Revenue Standards, the Company evaluated each of its revenue streams: lease agreement revenue, development service fee revenue, deferred land sale revenue and gain or loss on sale of nonfinancial assets. The Company concluded that there are no revenue streams from its lease agreements that are covered by the Revenue Standards with the possible exception of non-lease components as further discussed below.

The Revenue Standards did not have an impact on the amount and timing of recognizing the Company's development service fee income. The Company recognizes development service fee income on a variable basis as a percentage of costs incurred on third party development contracts. Property development services, which are a single performance obligation, continue to be satisfied and recognized over time. The Company measures its progress toward completing the performance obligations under each arrangement. The measurement of the transfer of value to the customer for these services utilizes the input method (actual costs

17

incurred against anticipated project costs) since this method best depicts the actual transfer of value promised to the customer. Estimated expected losses on such contracts are accrued in the period in which they are determinable. The total amount of consideration to be received from these projects is assessed on a quarterly basis. Based on existing contracts, substantial completion is anticipated during 2020.

The Company recognizes revenues from improving land sites and selling the underlying land on behalf of its development partner to home builders in the United Kingdom. These agreements typically contain a pre-emption clause and a seller's call option. The Company recognizes revenue as the pre-emption period or seller's call option lapses utilizing the output method. There was $4.5 million and $10.4 million in revenue recognized for such contracts during the three and nine months ended September 30, 2019, respectively.

The Revenue Standards did not have an impact on the gain or loss on sale of nonfinancial assets. The Revenue Standards require the Company to derecognize nonfinancial assets once it transfers control of a distinct nonfinancial asset or distinct in-substance nonfinancial asset. Additionally, when the Company transfers its controlling interest in a nonfinancial asset, but retains a noncontrolling ownership interest, the Company is required to measure any noncontrolling interest it receives or retains at fair value. The guidance requires companies to recognize a full gain or loss on the transaction. See Notes 5 and 7 for further discussion of sales of nonfinancial assets during the nine months ended September 30, 2019.

Estimated gross revenue related to the remaining performance obligations under existing contracts (before allocation of related costs and expenses) as of September 30, 2019 that will be recognized as revenue in future periods was approximately $28.1 million, which is expected to be recognized in 2019 through 2022.

Recently Issued Accounting Standards

Leases

In February 2016, the FASB issued Accounting Standard Update 2016-02, Leases (“ASU 2016-02”). Additional guidance and targeted improvements to ASU 2016-02 were made through the issuances of supplementary ASUs in July 2018, December 2018 and March 2019 (collectively, the "New Lease Standard"). The New Lease Standard sets out the principles for the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). It 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 will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. The New Lease Standard requires lessors to account for leases using an approach that is substantially equivalent to prior guidance for sales type leases, direct financing leases and operating leases.

The New Lease Standards limit capitalization of certain initial direct costs which were capitalizable under previous lease standards. Such costs, which were expensed during the three and nine months ended September 30, 2019, were $0.1 million and $0.7 million, respectively.

The Company adopted the New Lease Standard on January 1, 2019 and applied it using a modified retrospective approach whereby the cumulative effect of the adoption was recognized on the adoption date and prior periods were not restated. There was no net cumulative effect adjustment to retained earnings as of January 1, 2019 as a result of this adoption.

The following practical expedients available for implementation were elected:

a. whether an expired or existing contract meets the definition of a lease

b. the lease classification at the adoption date for existing or expired leases

c. whether costs previously capitalized as initial direct costs would continue to be amortized

Additionally, the Company has elected the practical expedient not to recognize right of use assets and lease liabilities with a term of one year or less.

The Company's leases met the criteria in the New Lease Standard to not separate non-lease components from the related lease component; therefore, the accounting for these leases remained largely unchanged from the previous standard. The Company has elected to exclude sales and other similar taxes from the measurement of lease revenue and expense and the Company has excluded those costs paid directly by lessees to third parties.

Lessee Disclosure

As of September 30, 2019, the Company had a total of five properties subject to operating ground leases in Florida, New Jersey, Kentucky and the United Kingdom with a weighted average remaining term of 47 years. These leases have remaining terms of 11 to 110 years, expiration dates of June 2030 to June 2129, and renewal options of 25 to 48 years. The Company has included in the lease terms renewal options up to the useful life of the asset constructed on the land. Payments for certain properties are subject

18

to increases at five year intervals based upon the agreed or appraised fair market value of the leased premises on the adjustment date or the Consumer Price Index percentage increase since the base rent date. These future changes in payments are considered variable payments and do not impact the assessment of the asset or liability unless there is a significant event that triggers reassessment, such as an amendment with a change in the terms of the lease. The Company used discount rates in a range of 4.1% to 5.0% for a weighted average discount rate of 4.6%, which was derived from the Company's assessment of credit quality of the Company adjusted to reflect secured borrowing, estimated yield curves and long-term spread adjustments over appropriate tenures. The Company also leases office space from unrelated third-parties. The Company recognized lease expense of $0.5 million and $1.5 million during the three and nine months ended September 30, 2019, respectively, of which $0.5 million and $1.4 million, respectively, was paid in cash. The following schedule indicates the approximate future minimum lease payments for the ground and office leases as of September 30, 2019:

Year	Amount
	(in thousands)
2019 (remainder of year)	$	373
2020	1,370
2021	1,234
2022	1,136
2023	1,035
Thereafter	40,684
Total minimum payments	$	45,832
Imputed interest	(26,941		)
Amortization	(512		)
Lease liabilities	$	18,379
Deferred rent	(715		)
Right of use asset	$	17,664

As noted above, the Company adopted the New Lease Standard effective January 1, 2019. Since the Company has applied the provisions on a modified retrospective basis, the following represents approximate future minimum lease payments by year as of December 31, 2018, as applicable under ASC 840, Leases, prior to the adoption of the New Lease Standard.

Year	Amount
	(in thousands)
2019	$	1,512
2020	1,356
2021	1,205
2022	1,082
2023	981
Thereafter	40,799
	$	46,935

The Company recorded ground lease expense of $1.5 million for the year ended December 31, 2018.

Lessor Disclosures

The Company leases its operating properties to customers under agreements that are classified as operating leases. It manages residual risk through investing in properties that it believes will appreciate in value over time.

Substantially all of the Company's operating leases contain provisions for specified annual increases over the rents of the prior year. Rental income from operating leases is generally recognized on a straight-line basis over the lease term when the Company has determined that the collectibility of substantially all the lease payments is probable. If the Company determines that it is not probable that substantially all of the lease payments will be collected, the Company accounts for the revenue under the lease on a cash basis. Changes in the assessment of probability are accounted for on a cumulative basis as if the lease had always been accounted for based on the current determination of the likelihood of collection potentially resulting in increased volatility of rental revenue. Some of the Company's leases have options to extend, terminate or purchase the facilities, which are considered

19

when determining the lease term. Tenant rights to purchase an underlying asset are typically at prevailing market rates at the time of purchase. The Company does not include in the measurement of lease receivables certain variable payments, including changes in an index, until the specific events that trigger the variable payments have occurred.

Generally operating leases require the tenants to reimburse the Company for property tax and other expenditures that are not considered components of the lease and therefore no consideration is allocated to them as they do not result in the transfer of a good or service to the tenants. The Company has determined that all of its leases qualify for the practical expedient to not separate the lease and non-lease components because (i) the lease components are operating leases and (ii) the timing and pattern of recognition of the non-lease components are the same as the lease components. The Company applies the New Lease Standard to the combined component. Income derived from the Company's leases is recorded in rental revenue in the Company's consolidated statements of comprehensive income. Certain tenants are obligated to pay directly their obligations under their leases for real estate taxes, insurance and certain other expenses. These obligations, which have been assumed by the tenants under the terms of their respective leases, are not reflected in the Company's consolidated financial statements. To the extent any tenant responsible for these obligations under the respective lease defaults on its lease or if it is deemed probable that the tenant will fail to pay for such costs, the Company would record a liability for such obligation.

The following details the rental income and variable lease income for the three and nine months ended September 30, 2019 (in thousands):

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Rental income - operating leases - continuing operations	$	127,125	$	371,744
Rental income - operating leases - discontinued operations	6,233		25,481
Variable lease income - operating leases - continuing operations	35,787		107,900
Variable lease income - operating leases - discontinued operations	2,265		8,112

The following amounts reflect the estimated contractual rents due to the Company for the remainder of terms of the Company's operating leases as of September 30, 2019:

	(in thousands)
Remainder of 2019	$	220,242
2020	500,908
2021	452,679
2022	382,294
2023	314,211
2024	259,139
Thereafter	977,267
Total	$	3,106,740

Other

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities ("ASU 2017-12"). ASU 2017-12 is designed to better align a company’s financial reporting for hedging activities with the economic objectives of those activities. The Company adopted ASU 2017-12 on January 1, 2019 and it did not have a material impact on the Company's consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Intangibles - Goodwill and Other - Internal-Use Software: Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract ("ASU 2018-15"). ASU 2018-15 amends the definition of a hosting arrangement and requires a customer in a hosting arrangement that is a service contract to capitalize certain implementation costs as if the arrangement was an internal-use software project. ASU 2018-15 is effective for the Company beginning January 1, 2020. The Company does not anticipate the impact of ASU 2018-15 will have a material impact on the consolidated financial statements.

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Note 2: Income per Common Share of the Trust

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	Three Months Ended					Three Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	59,091	150,140	$	0.39	$	43,713	147,324	$	0.30
Dilutive shares for long-term compensation plans	—		839			—		947
Income from continuing operations net of noncontrolling interest - diluted	$	59,091	150,979	$	0.39	$	43,713	148,271	$	0.29
Discontinued operations net of noncontrolling interests - basic	$	41,273	150,140	$	0.28	$	106,430	147,324	$	0.72
Dilutive shares for long-term compensation plans	—		839			—		947
Discontinued operations net of noncontrolling interests - diluted	$	41,273	150,979	$	0.27	$	106,430	148,271	$	0.72
Net income available to common shareholders - basic	$	100,364	150,140	$	0.67	$	150,143	147,324	$	1.02
Dilutive shares for long-term compensation plans	—		839			—		947
Net income available to common shareholders - diluted	$	100,364	150,979	$	0.66	$	150,143	148,271	$	1.01
	Nine Months Ended					Nine Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	151,150	148,532	$	1.02	$	91,051	147,241	$	0.62
Dilutive shares for long-term compensation plans	—		851			—		919
Income from continuing operations net of noncontrolling interest - diluted	$	151,150	149,383	$	1.01	$	91,051	148,160	$	0.61
Discontinued operations net of noncontrolling interests - basic	$	103,315	148,532	$	0.69	$	218,887	147,241	$	1.48
Dilutive shares for long-term compensation plans	—		851			—		919
Discontinued operations net of noncontrolling interests - diluted	$	103,315	149,383	$	0.69	$	218,887	148,160	$	1.48
Net income available to common shareholders - basic	$	254,465	148,532	$	1.71	$	309,938	147,241	$	2.10
Dilutive shares for long-term compensation plans	—		851			—		919
Net income available to common shareholders - diluted	$	254,465	149,383	$	1.70	$	309,938	148,160	$	2.09

Dilutive shares for long-term compensation plans represent the unvested common shares outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common share for the three and nine months ended September 30, 2019 or 2018.

21

During the three and nine months ended September 30, 2019, 251,000 and 374,000 common shares, respectively, were issued upon the exercise of options. During the year ended December 31, 2018, 151,000 common shares were issued upon the exercise of options.

Equity Offering

In September 2019, the Company completed the sale of 9.2 million common shares, at a price of $50.50 per share, for net proceeds of $447.9 million. The net proceeds from this issuance were used to fund the early redemption on October 12, 2019 of the Operating Partnership's $350 million 4.75% senior notes due October 2020, repay outstanding balances on the Company's revolving credit facilities and for general corporate purposes. In conjunction with such early redemption, the Company incurred charges of approximately $9.0 million.

Share Repurchase

The Company’s Board of Trustees had authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common shares through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three and nine months ended September 30, 2019 or for the year ended December 31, 2018.

Note 3: Income per Common Unit of the Operating Partnership

The following table sets forth the computation of basic and diluted income per common unit of the Operating Partnership (in thousands, except per unit amounts):

	Three Months Ended						Three Months Ended
	September 30, 2019						September 30, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Income from continuing operations - net of noncontrolling interest - consolidated joint ventures	$	60,484					$	44,865
Less: Preferred unit distributions	(83		)				(118		)
Income from continuing operations available to common unitholders - basic	$	60,401		153,646	$	0.39	$	44,747		150,844	$	0.30
Dilutive units for long-term compensation plans	—			839			—			947
Income from continuing operations available to common unitholders - diluted	$	60,401		154,485	$	0.39	$	44,747		151,791	$	0.29
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	42,189		153,646	$	0.28	$	108,974		150,844	$	0.72
Dilutive units for long-term compensation plans	—			839			—			947
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	42,189		154,485	$	0.27	$	108,974		151,791	$	0.72
Income available to common unitholders - basic	$	102,590		153,646	$	0.67	$	153,721		150,844	$	1.02
Dilutive units for long-term compensation plans	—			839			—			947
Income available to common unitholders - diluted	$	102,590		154,485	$	0.66	$	153,721		151,791	$	1.01

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	Nine Months Ended						Nine Months Ended
	September 30, 2019						September 30, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Net income - net of noncontrolling interest - consolidated joint ventures	$	154,872					$	93,557
Less: Preferred unit distributions	(251		)				(354		)
Income from continuing operations available to common unitholders - basic	154,621			152,045	$	1.02	93,203			150,761	$	0.62
Dilutive units for long-term compensation plans	—			851			—			919
Income from continuing operations available to common unitholders - diluted	$	154,621		152,896	$	1.01	$	93,203		151,680	$	0.61
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	105,719		152,045	$	0.69	$	224,119		150,761	$	1.48
Dilutive units for long-term compensation plans	—			851			—			919
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	105,719		152,896	$	0.69	$	224,119		151,680	$	1.48
Net income available to common unitholders - basic	$	260,340		152,045	$	1.71	$	317,322		150,761	$	2.10
Dilutive units for long-term compensation plans	—			851			—			919
Net income available to common unitholders - diluted	$	260,340		152,896	$	1.70	$	317,322		151,680	$	2.09

Dilutive units for long-term compensation plans represent the unvested common units outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common unit for the three and nine months ended September 30, 2019 or 2018.

During the three and nine months ended September 30, 2019, 251,000 and 374,000 common units, respectively, were issued upon exercise of options. During the year ended December 31, 2018, 151,000 common units were issued upon the exercise of options.

Equity Offering

In September 2019, the Company completed the sale of 9.2 million common units, at a price of $50.50 per share, for net proceeds of $447.9 million. The net proceeds from this issuance were used to fund the early redemption on October 12, 2019 of the Operating Partnership's $350 million 4.75% senior notes due October 2020, repay outstanding balances on the Company's revolving credit facilities and for general corporate purposes. In conjunction with such early redemption, the Company incurred charges of approximately $9.0 million.

Unit Repurchase

The Company’s Board of Trustees had authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common units through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three and nine months ended September 30, 2019 or for the year ended December 31, 2018.

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Note 4: Accumulated Other Comprehensive Loss

The following table sets forth the components of Accumulated Other Comprehensive Loss (in thousands):

	As of and for the nine months ended September 30,
	2019			2018
Foreign Currency Translation:
Beginning balance	$	(52,862	)	$	(38,701	)
Translation adjustment	(7,574		)	(9,221		)
Ending balance	(60,436		)	(47,922		)
Derivative Instruments:
Beginning balance	(3,550		)	150
Unrealized gain	(1,820		)	620
Reclassification adjustment (1)	(67		)	(127		)
Ending balance	(5,437		)	643
Total accumulated other comprehensive loss	(65,873		)	(47,279		)
Less: portion included in noncontrolling interest – operating partnership	1,377			957
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity	$	(64,496	)	$	(46,322	)

(1) Amounts reclassified out of Accumulated Other Comprehensive Loss/General & Limited Partner's Equity into contractual interest expense.

Note 5: Real Estate

Information on the Operating Properties and land parcels the Company acquired during the three months and nine months ended September 30, 2019 is as follows:

	Three Months Ended September 30, 2019					Nine Months Ended September 30, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)		Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)
Chicago/Minneapolis	—	23.5	—	$	13,200	—	23.5	—	$	13,200
Dallas	—	—	—	—		2	—	509,733	44,400
Southern California	1	—	203,280	55,500		2	—	492,963	86,785
United Kingdom	—	—	—	—		—	25.0	—	2,658
Other:
Atlanta	—	—	—	—		—	154.7	—	5,000
New Jersey	—	—	—	—		3	—	488,254	78,275
	1	23.5	203,280	$	68,700	7	203.2	1,490,950	$	230,318

In the nine months ended September 30, 2019, the Company purchased the noncontrolling interest of three consolidated joint ventures in the following reportable segments: four buildings in Philadelphia, one building in New Jersey, one building in Dallas and one building in Southern California as well as 21.7 acres of land in Arizona, for $18.5 million.

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Information on the Operating Properties and land parcels the Company sold during the three and nine months ended September 30, 2019 is as follows:

	Three Months Ended September 30, 2019					Nine Months Ended September 30, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)		Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)
Carolinas/Richmond	1	—	136,000	$	14,100	1	—	136,000	$	14,100
Chicago/Minneapolis	—	—	—	—		—	11.3	—	2,865
Florida	—	—	—	—		3	—	150,751	23,400
Houston	—	7.6	—	1,700		—	11.6	—	3,205
Philadelphia	2	—	156,411	60,650		3	—	309,653	159,900
Other:
Arizona	—	—	—	—		—	8.8	—	11,500
New Jersey (1)	—	67.6	—	4,070		—	68.4	—	8,070
DC Metro	1	—	290,762	92,500		2	—	437,234	154,250
Southeastern PA	2	—	180,151	30,000		5	18.0	254,331	40,200
	6	75.2	763,324	$	203,020	14	118.1	1,287,969	$	417,490

(1) Includes land that the Company sold for $4.1 million to an unconsolidated joint venture in which the Company holds a 25% interest.

In connection with the sale of a building in the Philadelphia reportable segment in June 2019 the Company repaid a $35.9 million 4.84% mortgage loan due 2033 encumbering the property and, consequently, recognized a loss of $7.6 million on early extinguishment of debt, which is reported in discontinued operations.

In addition to the sale of land parcels described above, the Company also received gross proceeds of $5.5 million from the sale of non-depreciable assets in Tempe, Arizona included in Company’s Other reportable segment in the third quarter of 2019, as well as $4.0 million from the sale of non-depreciable assets in Camden, New Jersey included in the Company’s Philadelphia reportable segment during the nine months ended September 30, 2019.  Including the above-described sales of land and other non-depreciable assets, the Company recognized gains on sales of non-depreciable assets of $7.0 million and $12.9 million during the three and nine months ended September 30, 2019, respectively.

In addition to the transactions described above, during the three and nine months ended September 30, 2019, a subsidiary of the Company entered into an agreement with an entity affiliated with an employee of the Company, pursuant to which the Company waived its rights to purchase and develop a particular land parcel in Company’s Philadelphia reportable segment in consideration for reimbursement of a portion of the infrastructure costs totaling $3.2 million previously incurred by the Company. 

Note 6: Segment Information

The Company owns and operates industrial properties nationally and owns and operates certain non-core office properties in a focused group of office markets. Additionally, the Company owns certain assets in the United Kingdom. At September 30, 2019, the Company's reportable segments were based on the Company's method of internal reporting and were as follows:

• Carolinas/Richmond;

• Chicago/Minneapolis;

• Cincinnati/Columbus/Indianapolis;

• Dallas

• Florida;

• Houston;

• Lehigh/Central PA;

• Philadelphia;

• Southern California; and

• United Kingdom.

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Certain other segments are aggregated into an "Other" category which includes the reportable segments: Arizona; Atlanta; DC Metro; New Jersey; and Southeastern Pennsylvania.

Comparative prior periods have been restated to reflect current segment disclosures.

The Company evaluates the performance of its reportable segments based on net operating income. Net operating income includes operating revenue from external customers, real estate taxes, amortization of lease transaction costs and other operating expenses which relate directly to the management and operation of the assets within each reportable segment.

The Company's accounting policies for the segments are the same as those used in the Company's consolidated financial statements. There are no material inter-segment transactions.

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The operating information by reportable segment is as follows (in thousands):

		Three Months Ended						Nine Months Ended
		September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Revenue
	Carolinas/Richmond	$	20,377		$	19,417		$	61,129		$	58,723
	Chicago/Minneapolis	17,479			17,274			52,299			50,414
	Cincinnati/Columbus/Indianapolis	4,792			4,245			13,822			13,613
	Dallas	5,953			5,537			17,252			14,300
	Florida	15,871			15,847			48,218			47,117
	Houston	19,103			16,561			51,831			48,514
	Lehigh/Central PA	38,878			39,188			118,588			115,799
	Philadelphia	9,779			10,598			32,043			33,659
	Southern California	10,510			7,914			30,660			22,226
	United Kingdom	5,900			3,523			17,857			11,579
	Other	22,768			32,119			69,717			97,853
Segment-level revenue		171,410			172,223			513,416			513,797
Reconciliation to total revenue
	Development service fee income	257			12,956			2,099			59,132
	Discontinued operations	(8,498		)	(23,911		)	(33,593		)	(73,613		)
	Other	—			18			(179		)	(372		)
Total revenue		$	163,169		$	161,286		$	481,743		$	498,944
Net operating income
	Carolinas/Richmond	$	15,638		$	14,620		$	47,020		$	43,795
	Chicago/Minneapolis	10,902			10,564			33,294			31,271
	Cincinnati/Columbus/Indianapolis	3,262			2,749			9,186			9,099
	Dallas	4,035			3,666			11,848			9,274
	Florida	11,628			11,461			35,097			33,717
	Houston	12,377			9,676			32,159			28,714
	Lehigh/Central PA	29,902			29,406			89,639			86,085
	Philadelphia	7,876			7,947			25,583			28,211
	Southern California	8,200			6,496			23,524			17,675
	United Kingdom	5,421			3,234			16,131			10,662
	Other	15,507			23,213			47,727			69,620
Net operating income		124,748			123,032			371,208			368,123
Reconciliation to income from continuing operations
	Interest expense (1)	(26,220		)	(24,670		)	(78,297		)	(71,331		)
	Development service fee income	257			12,956			2,099			59,132
	Development service fee expense	(168		)	(12,924		)	(1,848		)	(120,799		)
	Depreciation/amortization expense (1) (2)	(32,279		)	(32,243		)	(97,642		)	(97,576		)
	Impairment charges - real estate assets	—			—			(99		)	(26,000		)
	Gain on property dispositions	15,168			2,002			21,125			54,705
	Equity in earnings of unconsolidated joint ventures	1,776			6,766			10,966			20,958
	General and administrative expense (1)	(10,193		)	(9,814		)	(35,559		)	(32,758		)
	Leasing cost	(3,082		)	(2,610		)	(9,608		)	(8,189		)
	Other operating expenses	(3,166		)	(3,169		)	(8,690		)	(7,467		)
	Discontinued operations excluding losses on impairment and debt extinguishment and gain on property dispositions	(4,951		)	(14,320		)	(18,553		)	(39,842		)
	Income taxes (1) (2)	(811		)	(329		)	(1,635		)	(1,539		)
	Other	(592		)	196			1,389			(3,262		)
Income from continuing operations		$	60,487		$	44,873		$	154,856		$	94,155

(1) Includes activity in discontinued operations.

(2) Excludes costs that are included in determining net operating income.

27

The Company's total assets by reportable segment as of September 30, 2019 and December 31, 2018 is as follows (in thousands):

	September 30, 2019		December 31, 2018
Carolinas/Richmond	$	516,811	$	525,041
Chicago/Minnesota	597,557		591,792
Cincinnati/Columbus/Indianapolis	134,111		131,400
Dallas	306,463		261,538
Florida	550,623		547,232
Houston	608,761		568,756
Lehigh/Central PA	1,225,016		1,210,220
Philadelphia	540,972		624,373
Southern California	766,578		660,688
United Kingdom	392,091		463,162
Other	1,062,447		1,153,518
Segment-level total assets	6,701,430		6,737,720
Corporate Other	637,302		196,674
Total assets	$	7,338,732	$	6,934,394

Note 7: Impairment or Disposal of Long-Lived Assets

In 2017, the Company initiated a strategic shift whereby it adopted a plan to divest of its remaining suburban office properties. In the third quarter of 2018, the Company updated its strategy whereby it adopted a plan to divest of all of its remaining office properties. The Company determined that the strategic shift would have a major effect on its operations and financial results. As such, properties sold or those that meet the criteria to be classified as held for sale within the corporate strategy were classified within discontinued operations. Consistent with the held for sale criteria these properties are expected to be sold within one year. As a result of the classification within discontinued operations, the in-service assets and liabilities of this portfolio are required to be presented as held for sale for all prior periods presented in our Consolidated Balance Sheets. Operating results pertaining to these properties were reclassified to discontinued operations for all prior periods presented in our Consolidated Statements of Comprehensive Income.

The following table illustrates the number of sold or held for sale properties included in, or excluded from, discontinued operations:

	Held for sale as of September 30, 2019	Sold during the nine months ended September 30, 2019	Sold during the year ended December 31, 2018	Total
Properties included in discontinued operations	9	13	37	59
Properties included in continuing operations	1	1	2	4
Properties sold or classified as held for sale	10	14	39	63

In addition, there were three land parcels comprising 74.4 acres included as held for sale as of September 30, 2019.

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The properties held for sale with operating results in discontinued operations as of September 30, 2019 were located in the following reportable segments: one property in Chicago/Minneapolis, six properties in Philadelphia and two properties in the United Kingdom.

A summary of the results of operations for the properties classified as discontinued operations is as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Revenues	$	8,498		$	23,911		$	33,593		$	73,613
Operating expenses	(3,117		)	(5,329		)	(10,903		)	(17,276		)
Depreciation and amortization	—			(2,666		)	(2,129		)	(11,138		)
Impairment charges - real estate assets	(7,190		)	—			(21,482		)	—
Interest and other income (expense)	4			(31		)	(57		)	(132		)
Income taxes	(5		)	(28		)	(298		)	(83		)
Loss on debt extinguishment	—			—			(7,618		)	—
Interest expense	(429		)	(1,537		)	(1,653		)	(5,142		)
Gain on property dispositions	44,428			94,878			116,452			184,689
Income from discontinued operations	42,189			109,198			105,905			224,531
Noncontrolling interest - operating partnership	(916		)	(2,544		)	(2,404		)	(5,232		)
Noncontrolling interest - consolidated joint venture	—			(224		)	(186		)	(412		)
Income from discontinued operations available to common shareholders	$	41,273		$	106,430		$	103,315		$	218,887

Interest expense has been allocated to discontinued operations. The allocation of interest expense to discontinued operations was based on the ratio of net assets sold and held for sale included in discontinued operations to the sum of total net assets plus consolidated debt.

Capital expenditures on a cash basis related to properties within discontinued operations were $0.1 million and $3.6 million, respectively, for the three and nine months ended September 30, 2019, and $10.8 million and $38.3 million, respectively, for the three and nine months ended September 30, 2018.

Assets Held for Sale

As of September 30, 2019, 10 properties were classified as held for sale, of which nine properties met the criteria to be classified within discontinued operations and one property was classified within continuing operations. In addition, there were three land parcels comprising 74.4 acres included as held for sale as of September 30, 2019.

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

	September 30, 2019									December 31, 2018
	Included in Continuing Operations			Included in Discontinued Operations			Total			Included in Continuing Operations			Included in Discontinued Operations			Total
Land and land improvements	$	613		$	19,210		$	19,823		$	1,301		$	113,080		$	114,381
Buildings and improvements	8,541			174,595			183,136			5,638			384,737			390,375
Development in progress	—			10,108			10,108			—			9,597			9,597
Land held for development	19,420			—			19,420			26,253			—			26,253
Accumulated depreciation	(3,745		)	(21,592		)	(25,337		)	(1,546		)	(70,242		)	(71,788		)
Deferred financing and leasing costs, net	717			7,910			8,627			58			13,697			13,755
Other assets	756			9,971			10,727			164			19,470			19,634
Total assets held for sale	$	26,302		$	200,202		$	226,504		$	31,868		$	470,339		$	502,207
Total liabilities held for sale	$	419		$	15,520		$	15,939		$	141		$	20,990		$	21,131

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Impairment Charges - Real Estate Assets

The Company recorded $7.2 million and $21.6 million of impairment charges during the three and nine months ended September 30, 2019, respectively. These impairment charges were primarily related to an office building in the Company's DC Metro segment that was sold in the three months ended September 30, 2019 and is primarily included in discontinued operations in the Company's Consolidated Statements of Comprehensive Income.

The Company determined these impairments based on third party offer prices which are Level 2 according to the fair value hierarchy established in ASC 820.

The Company recorded a $26.0 million impairment charge during the nine months ended September 30, 2018. This charge related to the Camden Waterfront project located in Camden, New Jersey and reported in the Company's Philadelphia reportable segment. The Company determined this impairment based on quoted offer prices on comparable properties, which is a Level 3 fair value calculation.

The Company has applied reasonable estimates and judgments in evaluating each of its properties and land held for development and has determined that there are no additional valuation adjustments necessary at September 30, 2019. Should external or internal circumstances change requiring the need to shorten the holding periods or adjust the estimated future cash flows of the Company’s assets, the Company could be required to record additional impairment charges in the future.

Note 8: Noncontrolling Interests of the Trust

Noncontrolling interests in the accompanying financial statements represent the interests of the common and preferred units in the Operating Partnership not held by the Trust. In addition, noncontrolling interests include third-party ownership interests in consolidated joint venture investments.

Common units

The common units of the Operating Partnership not held by the Trust outstanding as of September 30, 2019 have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units of the Operating Partnership not held by the Trust share proportionately in the net income or loss and in any distributions of the Operating Partnership. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at September 30, 2019 was $179.3 million.

Note 9: Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

Limited partners' equity in the accompanying financial statements represents the interests of the common and preferred units in the Operating Partnership not held by the Trust. The Operating Partnership's noncontrolling interest includes third-party ownership interests in consolidated joint venture investments.

Common units

The common units outstanding have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units as of September 30, 2019 not held by the Trust are the limited partners' equity - common units held by persons and entities other than the Trust. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at September 30, 2019 was $179.3 million.

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Note 10: Noncontrolling Interest - Operating Partnership/Limited Partners' Equity - Preferred Units

As of September 30, 2019, the Company had outstanding the following cumulative preferred units of the Operating Partnership:

ISSUE	AMOUNT		UNITS	LIQUIDATION PREFERENCE		DIVIDEND RATE
	(in 000’s)
Series I-2	$	5,337	213	$	25	6.25	%

The preferred units are putable at the holder's option at any time and are callable at the Operating Partnership's option after a stated period of time for cash. During the nine months ended September 30, 2019, 88,000 preferred units were redeemed for $2.2 million.

Note 11: Indebtedness

In January 2019, the Company issued $350 million of 4.375% senior unsecured notes due 2029. The net proceeds from this issuance were used to repay borrowings under the Company's unsecured credit facilities and for general corporate purposes.

Note 12: Fair Value of Financial Instruments

ASC 820, Fair Value Measurements and Disclosures, provides guidance on the fair value measurement of a financial asset or liability. Inputs used to develop fair value are classified in one of three categories: Level 1 inputs (quoted prices (unadjusted) in active markets for identical assets or liabilities), Level 2 inputs (inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly) and Level 3 inputs (unobservable inputs for the asset or liability).

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies. However, considerable judgment is necessary to interpret market data and develop estimated fair value. Accordingly, the following estimates are not necessarily indicative of the amounts the Company could have realized on disposition of the financial instruments at December 31, 2018 and September 30, 2019. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

The carrying value of cash and cash equivalents, restricted cash, accounts receivable, accounts payable, accrued interest, dividend and distributions payable and other liabilities are reasonable estimates of fair value because of the short-term nature of these instruments. The carrying value of the outstanding amounts under the Company's credit facilities is a reasonable estimate of fair value because interest rates float at a rate based on LIBOR.

The Company determines the fair value of its interest rate swaps by using the standard methodology of netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to not be significant inputs for the fair value calculations for the periods presented. See Note 14 - Derivative Instruments.

The Company used a discounted cash flow model to determine the estimated fair value of its debt as of December 31, 2018 and September 30, 2019. This is a Level 3 fair value calculation. The inputs used in preparing the discounted cash flow model include actual maturity dates and scheduled cash flows as well as estimates for market value discount rates. The Company updates the discounted cash flow model on a quarterly basis to reflect any changes in the Company's debt holdings and changes to discount rate assumptions.

The following summarizes the fair value of the Company's mortgage loans and unsecured notes as of December 31, 2018 and September 30, 2019 (in thousands):

	Mortgage Loans				Unsecured Notes
	Carrying Value		Fair Value		Carrying Value		Fair Value
As of December 31, 2018	$	395,202	$	397,167	$	2,285,698	$	2,295,699
As of September 30, 2019	$	297,326	$	304,689	$	2,633,941	$	2,821,931

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Note 13: Unconsolidated Joint Ventures

Liberty Property 18th & Arch LP and Liberty Property 18th & Arch Hotel, LP

On June 30, 2014, the Company entered into two joint ventures for the purpose of developing and owning the Comcast Technology Center (the “Project”) located in Philadelphia, Pennsylvania as part of a mixed-use development. The 60-story building includes 1.3 million square feet of leasable office space (the “Office”), which is substantially complete and fully occupied by Comcast Corporation, and a 219-room Four Seasons Hotel (the “Hotel”), which is substantially complete and opened to the public in August 2019. Costs for the development of the Project, exclusive of tenant-funded interior improvements, are anticipated to be approximately $968 million. As of September 30, 2019, the Company's investment in the project was $193.7 million and is reflected in investments in and advances to unconsolidated joint ventures in the Company's consolidated balance sheet. These joint ventures are part of the Company's Philadelphia reportable segment.

The two joint ventures engaged the Company as the developer of the Project pursuant to a Development Agreement by which the Company agreed, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. To mitigate its risk, the Company entered into guaranteed maximum price contracts (the "GMP Contracts") with a third party contractor (the "General Contractor") to construct the Project. The Company has been notified by the General Contractor that the General Contractor has incurred cost overruns comprised of amounts owed to third-party subcontractors and internal general condition costs of the General Contractor in connection with completing the Project in excess of the guaranteed maximum price payable to the General Contractor under the GMP Contracts, which guaranteed maximum price has been previously adjusted pursuant to accepted change orders. Notwithstanding the GMP Contracts, the General Contractor has generally refused to fund the cost overruns owed to third-party subcontractors, and the Company has funded, and may continue to fund, subcontractor cost overruns in compliance with its obligations under its development cost guarantee to the joint ventures. Accordingly, in periods prior to 2019, the Company accrued $69.3 million relating primarily to cost overruns that it estimated were probable of being funded to third-party subcontractors under its development cost guarantees to the joint ventures. As of September 30, 2019 and December 31, 2018, the Company's remaining accrual was $29.6 million and $67.3 million, respectively (including, in each case, estimated retainage of approximately $24 million payable to subcontractors), which accruals are included in other liabilities in the accompanying consolidated balance sheets and are reflective of amounts cumulatively funded by the Company as of those dates. The Company is accounting for the development of the Project on a variable basis as a percentage of costs incurred under the development contract. The Company recognized a loss of $61.8 million for the nine months ended September 30, 2018 in development service fee income, net of development service fee expense and other related expenses. There was no loss or gain recognized related to the Project during the three months ended September 30, 2018 or the three and nine months ended September 30, 2019. The Company intends to pursue all remedies to recover from the General Contractor any amounts expended by the Company or the joint ventures in excess of their contractual obligations.

In addition to the costs to comply with the Company's obligations under its development cost guarantee, other claims related to the development of the Project have been asserted by the General Contractor and certain subcontractors. Should disputes with respect to these asserted claims proceed, the Company expects that it would assert claims against the General Contractor, both with respect to the claims as to which the above-described accrual has been made, as well as with respect to the additional claims described in this paragraph. There can be no assurances that amounts incurred, including as a result of such claims, will not exceed the above estimates. The Company is not able to reasonably estimate the amount of additional costs, if any, that it may incur as a result of such claims, and accordingly any potential exposure of the Company for such claims is not included within the accrual described above. Similarly, the Company is not able to reasonably estimate the amount, if any, that the Company may recover with respect to any claims it may assert against the General Contractor. If the Company were to incur additional expenses in connection with its development cost guarantee or in connection with such claims, such amounts would be accrued when they are determined to be probable of being incurred and are reasonably estimable, and could be material to the Company's results of operations in future periods. If the Company were to subsequently recover any of the cost overruns initially funded by the Company, whether pursuant to any such claims asserted by the Company or otherwise, such recoveries would be recorded when and if realized in future periods.

Liberty Washington, LP

During the three months ended September 30, 2019, the Company concluded that a property owned by this joint venture and held for sale had an indicator of impairment resulting from a decline in the Washington, DC market fundamentals. The joint venture recognized impairment charges of $10.3 million and $26.7 million for the three and nine months ended September 30, 2019, respectively. The Company's share of these impairment charges were $2.6 million and $6.7 million, respectively, for the same periods. The impairment charges are related to the Company's DC Metro reportable segment and the Company's share is included in equity in earnings of unconsolidated joint ventures in the accompanying consolidated statements of comprehensive income.

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The Company determined these impairments based on estimated future discounted cash flows. This is a Level 3 fair value calculation.

Cambridge Medipark Ltd

During the three and nine months ended September 30, 2019, Cambridge Medipark, Ltd (a joint venture in which the Company holds a 50% interest) recognized gains on the sale of land leasehold interests. The Company's share of these gains was $112,000 and $1.1 million for the three and nine months ended September 30, 2019, respectively, compared to $1.2 million and $5.0 million, respectively, for the same periods in 2018.

Note 14: Derivative Instruments

The Company borrows funds at a combination of fixed and variable rates. Borrowings under the Company's revolving credit facility and certain bank mortgage loans bear interest at variable rates. Other long-term debt typically bears interest at fixed rates. The Company's interest rate risk management objectives are to limit generally the impact of interest rate changes on earnings and cash flows and to lower the Company's overall borrowing costs. To achieve these objectives, from time to time, the Company enters into interest rate hedge contracts such as collars, swaps, caps and treasury lock agreements in order to mitigate our interest rate risk with respect to various debt instruments. The Company generally does not hold or issue these derivative contracts for trading or speculative purposes.

Interest rate swaps involve the receipt of variable-rate amounts from a counterparty in exchange for making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. The changes in the fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive loss and noncontrolling interest (for the Trust) and general partner's equity and limited partners’ equity - common units (for the Operating Partnership) and is subsequently reclassified into interest expense in the period that the hedged forecasted transaction affects earnings.

The Company determines the fair value of its interest rate swaps by netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to be not significant inputs for the fair value calculations for the periods presented.

The Company holds an interest in two interest rate swap contracts (“Swaps”) that eliminate the impact of changes in interest rates on the payments required under variable rate mortgages. The Swaps had aggregate notional amounts of $65.1 million and $66.8 million at September 30, 2019 and December 31, 2018, respectively, and expire in 2020.

In addition, in late 2018, in anticipation of conducting the offering of senior notes described in Note 11, the Operating Partnership entered into two interest rate lock agreements tied to the U.S. treasury rate for an aggregate notional amount of $200 million. An interest rate lock is a tool used to manage interest-rate risk by effectively securing interest rates on federal government securities as of the agreement date. One agreement had a notional amount of $100 million and was settled in 2018 for $2.4 million. The second agreement had a notional amount of $100 million and was settled in 2019 for $3.3 million. The interest rate lock agreements qualified as cash flow hedges with respect to the senior notes offering and, as such, the settlements of $5.7 million are being amortized into interest expense over the respective term of the notes.

The Company accounts for the changes in the fair value of a derivative in accumulated other comprehensive loss and subsequently reclassifies amounts to earnings over the term that the hedged transaction affects earnings.

The following table presents the location in the financial statements of the gains or losses recognized related to the Company’s cash flow hedges for the three and nine months ended September 30, 2019 and 2018 (in thousands):

	Three Months Ended				Nine Months Ended
	September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
Amount of gain related to the effective portion recognized in other comprehensive (loss) income	$	13	$	69	$	424	$	619
Total Amount of Interest Expense Presented in the Consolidated Statements of Comprehensive Income	25,791		23,133		76,644		66,189

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The following table presents the fair value of the Company’s derivative financial instruments as well as their classification on the accompanying consolidated balance sheets as of September 30, 2019 and December 31, 2018 (amounts in thousands):

	Derivatives
		Fair Value at:
	Balance Sheet Location	September 30, 2019		December 31, 2018
Derivatives designated as hedging instruments:
Interest Rate Swaps	Other Liabilities	$	345	$	677
Interest Rate Treasury Locks	Other Liabilities	—		3,972
Total		$	345	$	4,649

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on the Company’s debt. The Company estimates that $0.5 million will be reclassified from accumulated other comprehensive loss as an increase to interest expense over the next 12 months.

The Company has agreements with its derivative counterparties that contain a provision whereby if the Company defaults on any of its indebtedness, including defaults where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default on its derivative obligations. If the Company were to breach any of the contractual provisions of the derivative contracts, it would be required to settle its obligations under the agreements at their termination value including accrued interest, which totaled approximately $0.3 million as of September 30, 2019.

Note 15: Commitments and Contingencies

Environmental Matters

Substantially all of the Company's properties and land were subject to Phase I Environmental Assessments and when appropriate Phase II Environmental Assessments (collectively, the “Environmental Assessments”) obtained in contemplation of their acquisition by the Company or obtained by predecessor owners prior to the sale of the property or land to the Company. The Environmental Assessments did not reveal, nor is the Company aware of, any non-compliance with environmental laws, environmental liability or other environmental claim that the Company believes would likely have a material adverse effect on the Company.

Legal Matters

From time to time, the Company is a party to a variety of legal proceedings, claims and assessments arising in the normal course of business. As of September 30, 2019 there were no legal proceedings, claims or assessments that the Company expects to have a material adverse effect on the Company. However, see Note 13 for discussion of Comcast Technology Center.

Other

As of September 30, 2019, the Company had letter of credit obligations of $8.9 million.

As of September 30, 2019, the Company had 22 buildings under development. These buildings are expected to contain, when completed, a total of 4.7 million square feet of leasable space and represent an anticipated aggregate investment of $463.9 million. At September 30, 2019, development in progress totaled $323.8 million. In addition, as of September 30, 2019, the Company had invested $3.2 million in deferred leasing costs related to these development buildings.

The Company is also currently developing three properties for its unconsolidated joint ventures which represent an anticipated aggregate investment by the joint ventures of $35.6 million.

As of September 30, 2019, the Company was committed to the following:

• $20.3 million in improvements on certain buildings and land parcels;

• $53.1 million in future land acquisitions which it expects to complete during the year ending December 31, 2019;

• up to $19.5 million of tenant improvements not yet completed; and

• infrastructure improvements of approximately $1.0 million.

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The Company maintains cash and cash equivalents at financial institutions. The combined account balances at each institution typically exceed FDIC insurance coverage and, as a result, there is a concentration of credit risk related to amounts on deposit in excess of FDIC insurance coverage. The Company believes the risk is not significant.

Two unconsolidated joint ventures in which the Company holds an interest have engaged the Company as the developer of the Comcast Technology Center (the “Project") pursuant to a Development Agreement by which the Company agrees, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. See Note 13 for details on the commitments and contingencies associated with the Project.

Note 16: Supplemental Disclosure to Consolidated Statements of Cash Flows

The following are supplemental disclosures to the consolidated statements of cash flows for the nine months ended September 30, 2019 and 2018 (amounts in thousands):

	2019			2018
Write-off of fully depreciated/amortized property and deferred costs - properties included in continuing operations	$	2,218		$	7,197
Write-off of fully depreciated/amortized property and deferred costs - properties included in discontinued operations	$	—		$	11,789
Write-off of depreciated property and deferred costs due to sale/demolition - properties included in continuing operations	$	1,642		$	20,273
Write-off of depreciated property and deferred costs due to sale and related debt repayment - properties included in discontinued operations	$	51,455		$	99,072
Changes in accrued development capital expenditures - properties included in continuing operations	$	(4,436	)	$	12,361
Changes in accrued development capital expenditures - properties included in discontinued operations	$	—		$	(4,628	)
Unrealized (loss) gain on cash flow hedge	$	(1,887	)	$	493
Capitalized equity-based compensation	$	915		$	727

Amounts paid in cash for deferred leasing costs incurred in connection with signed leases with tenants are paid in conjunction with improving (acquiring) property, plant and equipment. Such costs are not contained within net real estate. However, they are integral to the completion of a tenant lease and ultimately are related to the improvement and thus the value of the Company’s property, plant and equipment. They are therefore included in investing activities in the Company’s consolidated statements of cash flows.

The following is a reconciliation of the Company's cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2019 and 2018 (amounts in thousands):

	2019		2018
Cash and cash equivalents at beginning of period	$	84,923	$	11,882
Restricted cash at beginning of period	10,899		13,803
Cash and cash equivalents and restricted cash at beginning of period	$	95,822	$	25,685
Cash and cash equivalents at end of period	$	514,882	$	17,770
Restricted cash at end of period	14,006		13,371
Cash and cash equivalents and restricted cash at end of period	$	528,888	$	31,141

Restricted cash includes tenant security deposits and escrow funds that the Company maintains pursuant to certain mortgage loans. Restricted cash also includes the undistributed proceeds from the sale of land in Kent County, United Kingdom.

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Note 17: Subsequent Events

Prepayment of Senior Notes

On October 12, 2019, the Company prepaid the Operating Partnership's $350 million 4.75% unsecured notes due in October 2020. The Company incurred a loss on early extinguishment of debt of approximately $9.0 million.

Proposed Merger with Prologis, Inc.

On October 27, 2019, the Trust, Leaf Holdco Company Trust, a Maryland real estate investment trust and wholly owned subsidiary of the Trust (“New Liberty Holdco”), and the Operating Partnership (collectively with the Trust and New Liberty Holdco, the “Company Parties”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prologis, Inc., a Maryland corporation (“Prologis”), Lambda REIT Acquisition LLC, a Maryland limited liability company and wholly owned subsidiary of Prologis (“Prologis Merger Sub”), Prologis, L.P., a Delaware limited partnership (“Prologis OP”), and Lambda OP Acquisition LLC, a Delaware limited liability company and wholly owned subsidiary of Prologis OP (“Prologis OP Merger Sub” and, together with Prologis, Prologis Merger Sub and Prologis OP, the “Prologis Parties”).

The Merger Agreement provides that upon the terms and subject to the conditions set forth in the Merger Agreement, (i) a newly created indirect wholly owned subsidiary of New Liberty Holdco will merge with and into the Trust (the “Company Merger”) with the Trust continuing as the surviving entity and as an indirect wholly owned subsidiary of New Liberty Holdco; (ii) thereafter, New Liberty Holdco will merge with and into Prologis Merger Sub (the “Topco Merger” and together with the Company Merger, the “Company Mergers”), with Prologis Merger Sub continuing as the surviving corporation and a wholly owned subsidiary of Prologis; (iii) immediately after the Topco Merger, Prologis will cause all of the outstanding equity interests in the Prologis Merger Sub to be contributed to Prologis OP in exchange for the issuance by Prologis OP of partnership interests in Prologis OP to other subsidiaries of Prologis; and (iv) thereafter, Prologis OP Merger Sub will merge with and into the Operating Partnership, with the Operating Partnership continuing as the surviving entity and a wholly owned subsidiary of Prologis OP (the “Partnership Merger” and together with the Company Merger and the Topco Merger, the “Mergers”).

Under the terms of the Merger Agreement, shareholders of the Trust and holders of common units in the Operating Partnership will receive 0.675 shares of Prologis common stock and limited partnership interests in Prologis OP, respectively, for each common share of the Trust or common unit in the Operating Partnership that they own.

The board of trustees of the Trust and the board of directors of Prologis have both unanimously approved the Merger Agreement, the Mergers and the other transactions contemplated by the Merger Agreement. The transaction, which is currently expected to close in the first quarter of 2020, is subject to the approval of the Trust’s shareholders and other customary closing conditions.

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

Proposed Merger with Prologis, Inc.

On October 27, 2019, the Trust and the Operating Partnership, as well as the Trust’s wholly owned subsidiary, Leaf Holdco Company Trust, a Maryland real estate investment trust (“New Liberty Holdco” and collectively with the Trust and the Operating Partnership, the “Company Parties”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prologis, Inc., a Maryland corporation (“Prologis”), Lambda REIT Acquisition LLC, a Maryland limited liability company and wholly owned subsidiary of Prologis (“Prologis Merger Sub”), Prologis, L.P., a Delaware limited partnership (“Prologis OP”), and Lambda OP Acquisition LLC, a Delaware limited liability company and wholly owned subsidiary of Prologis OP (“Prologis OP Merger Sub” and, together with Prologis, Prologis Merger Sub and Prologis OP, the “Prologis Parties”).

Pursuant to the Merger Agreement (i) a newly created indirect wholly owned subsidiary of New Liberty Holdco will merge with and into the Trust (the “Company Merger”) with the Trust continuing as the surviving entity and as an indirect wholly owned subsidiary of New Liberty Holdco; (ii) thereafter, New Liberty Holdco will merge with and into Prologis Merger Sub (the “Topco Merger” and together with the Company Merger, the “Company Mergers”), with Prologis Merger Sub continuing as the surviving corporation and a wholly owned subsidiary of Prologis; (iii) immediately after the Topco Merger, Prologis will cause all of the outstanding equity interests in Prologis Merger Sub to be contributed to Prologis OP in exchange for the issuance by Prologis OP of partnership interests in Prologis OP to other subsidiaries of Prologis; and (iv) thereafter, Prologis OP Merger Sub will merge with and into the Operating Partnership, with the Operating Partnership continuing as the surviving entity and a wholly owned subsidiary of Prologis OP (the “Partnership Merger” and together with the Company Merger and the Topco Merger, the “Mergers”).

The merger consideration will be approximately $12.6 billion in a stock-for-stock transaction, including the assumption of debt. Under the terms of the Merger Agreement, shareholders of the Trust and holders of common units in the Operating Partnership

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will receive 0.675 shares of Prologis common stock and limited partnership interests in Prologis OP, respectively, for each common share of the Trust or common unit in the Operating Partnership that they own.

The board of trustees of the Trust and the board of directors of Prologis have both unanimously approved the Merger Agreement, the Mergers and the other transactions contemplated by the Merger Agreement. The transaction, which is currently expected to close in the first quarter of 2020, is subject to the approval of the Trust’s shareholders and other customary closing conditions.

Overview

The Trust is a self-administered and self-managed Maryland real estate investment trust (“REIT”). Substantially all of the Trust’s assets are owned directly or indirectly, and substantially all of the Trust’s operations are conducted directly or indirectly, by its subsidiary, the Operating Partnership and, collectively with the Trust and their consolidated subsidiaries, the “Company”).

The Company owns and operates industrial properties nationally, as well as in the United Kingdom.

As previously reported, and as further summarized below, the Company undertook several significant transactions in recent years consistent with its strategy to divest its remaining office Properties (other than its headquarters) and focus its efforts and capital solely on its industrial platform, which favors industrial properties and markets with strong demographic and economic fundamentals. In furtherance of this strategy, the Company has substantially divested of its suburban office Properties, and prior to the Company's proposed merger with Prologis, Inc described above, had expected to divest its remaining metro-office Properties over the next few years. The Company has reinvested and had planned to continue to reinvest the proceeds of these divestments in acquisitions and new development in targeted industrial markets. The Company anticipated that this strategy would yield benefits over time, including a higher rate of rental growth and a lower level of lease transaction costs and other capital costs for industrial properties as opposed to office properties. The Company believed that this strategy has resulted in an improvement in the average quality and geographic location of its properties. The Company also believed that the benefits of the strategy would outweigh the short-term reduction in operating cash flow resulting from the disposition of its office Properties. There can be no assurance, however, that the benefits of the Company’s strategy have been or would be realized.

As of September 30, 2019, the Company owned the following Properties in Operation (square feet in thousands):

	Number of Operating Industrial Properties	Number of Operating Non-Core Properties	Total Number of Properties	Total Square Feet
Wholly Owned Properties in Operation	499	16	515	96,871
JV Properties in Operation (at 100%)	48	17	65	14,818
Properties in Operation	547	33	580	111,689

As of September 30, 2019 the Company owned the following "Properties under Development" and "Properties held for Redevelopment/Value-Added" (square feet upon completion in thousands):

	Number of Properties	Total Square Feet	Acres of Developable Land
Wholly Owned Properties under Development	22	4,678	1,267
JV Properties under Development (at 100%)	3	475	433
Properties under Development	25	5,153	1,700
Wholly Owned Properties held for Redevelopment/Value-Added	1	55	—
JV Properties held for Redevelopment/Value-Added (at 100%)	2	85	—
Properties held for Redevelopment/Value-Added	3	140	—

The Company focuses on creating value for shareholders and increasing profitability and cash flow. With respect to its Properties in Operation, the Company endeavors to maintain high occupancy levels while maximizing rental rates and controlling costs. The Company pursues development opportunities that it believes will create value and yield acceptable returns. The Company also acquires properties that it believes will create long-term value, and disposes of properties that no longer fit within the Company’s strategic objectives or in situations where it can optimize cash proceeds.

The Company’s operating results depend primarily upon income from rental operations and are substantially influenced by rental demand for the Properties in Operation. During the nine months ended September 30, 2019, GAAP rents on retained and replacement industrial leases were on average 14.4% higher than rents on expiring leases. During the nine months ended September 30, 2019,

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the Company leased 23.9 million square feet. The following details the Company's occupancy as of September 30, 2019 and December 31, 2018:

	September 30, 2019		December 31, 2018
Wholly owned operating industrial properties	94.2	%	95.7	%
Wholly owned operating non-core properties	92.3	%	85.0	%
Wholly owned total	94.2	%	95.4	%
Joint venture operating industrial properties	97.5	%	99.5	%
Joint venture operating non-core properties	91.6	%	97.0	%
Joint venture total	96.1	%	98.9	%

During the third quarter of 2018, the Sears Holdings Corporation ("Sears") filed for reorganization under Chapter 11 of the federal bankruptcy laws. On April 30, 2019, Sears rejected a lease for 849,000 square feet in the Company's Lehigh/Central PA reportable segment (see below). At the time the tenant rejected the lease, this tenant represented 0.8% of square feet of the Company's Properties in Operation and 0.8% of Net Rent (see Properties in Operation below for definition of Net Rent).

Based on the Company's current outlook, the Company anticipates that property level operating income for the Same Store (defined below) group of industrial properties will increase for the full year 2019, compared to 2018, driven primarily by new and renewal leases being executed at higher rental rates than those of expiring leases. For the full year 2019, compared to 2018, the Company expects Same Store occupancy levels to decline modestly compared with those in 2018.

The assumptions presented above are forward-looking and are based on the Company’s future view of market and general economic conditions, as well as other risks outlined below under the caption “Forward-Looking Statements.”  There can be no assurance that the Company’s actual results will not differ materially from assumptions set forth above.  The Company assumes no obligation to update these assumptions in the future.

Wholly Owned Capital Activity

Acquisitions

During the three months ended September 30, 2019, the Company acquired one property for a purchase price of $55.5 million. This property, which contains 203,000 square feet of leaseable space, was 100% occupied as of September 30, 2019. During nine months ended September 30, 2019, the Company acquired seven properties for an aggregate purchase price of $209.5 million. These properties, which collectively contain 1.5 million square feet of leaseable space, were 94.0% occupied as of September 30, 2019.

During the three months ended September 30, 2019, the Company acquired one parcel of land containing 23.5 acres for a purchase price of $13.2 million. During the nine months ended September 30, 2019, the Company acquired three parcels of land collectively containing 203.2 acres for an aggregate purchase price of $20.9 million.

Dispositions

During the three months ended September 30, 2019, the Company realized proceeds of $197.3 million from the sale of six properties totaling 763,000 square feet. During the nine months ended September 30, 2019, the Company realized proceeds of $385.5 million from the sale of 14 properties totaling 1.3 million square feet.

During the three months ended September 30, 2019, the Company realized proceeds of $11.3 million from the sale of 75.2 acres of land. During the nine months ended September 30, 2019, the Company realized proceeds of $37.6 million from the sale of 118.1 acres of land.

In addition to the sale of land parcels described above, the Company also received gross proceeds of $5.5 million from the sale of non-depreciable assets in Tempe, Arizona included in Company’s Other reportable segment in the third quarter of 2019, as well as $4.0 million from the sale of non-depreciable assets in Camden, New Jersey included in the Company’s Philadelphia reportable segment during the nine months ended September 30, 2019. 

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Development

During the three months ended September 30, 2019, the Company brought into service six Wholly Owned Properties under Development representing 3.0 million square feet and a Total Investment of $193.6 million. During the nine months ended September 30, 2019, the Company brought into service 14 Wholly Owned Properties under Development representing 4.7 million square feet and a Total Investment of $361.8 million. During the three months ended September 30, 2019, the Company initiated four Wholly Owned Properties under Development with a projected Total Investment of $79.8 million. During the nine months ended September 30, 2019, the Company initiated seven Wholly Owned Properties under Development with a projected Total Investment of $107.7 million.

As of September 30, 2019, the Company had 22 Wholly Owned Properties under Development with a projected Total Investment of $463.9 million. These Wholly Owned Properties under Development were 16.4% pre-leased as of September 30, 2019.

“Total Investment” for a Property Under Development is defined as the sum of the land costs and the costs of land improvements, building and building improvements, lease transaction costs, and where appropriate, other development costs and carrying costs.

Unconsolidated Joint Venture Capital Activity

The Company periodically enters into unconsolidated joint venture relationships in connection with the execution of its real estate operating strategy.

Acquisitions/Dispositions

None of the unconsolidated joint ventures in which the Company holds an interest sold or acquired any operating properties or land parcels during the three and nine months ended September 30, 2019.

Development

As of September 30, 2019, unconsolidated joint ventures in which the Company holds an interest had three JV Properties under Development which are expected to comprise, upon completion, 475,000 square feet and are expected to represent a Total Investment by the joint ventures of $35.6 million. These JV Properties under Development were 15.4% pre-leased as of September 30, 2019. During the three months ended September 30, 2019, an unconsolidated joint venture in which the Company holds an interest initiated a JV Property under Development with a projected Total Investment of $19.4 million. During the nine months ended September 30, 2019, unconsolidated joint ventures in which the Company holds interests initiated two JV Properties under Development with a projected Total Investment of $25.7 million.

In addition, during the three and nine months ended September 30, 2019, an unconsolidated joint venture in which the Company holds an interest completed the development of the 219-room Four Seasons hotel at the Comcast Technology Center, representing an aggregate Total Investment by the Hotel joint venture of $231.9 million.

On June 30, 2014, the Company entered into two joint ventures for the purpose of developing and owning the Comcast Technology Center (the “Project”) located in Philadelphia, Pennsylvania as part of a mixed-use development. The 60-story building includes 1.3 million square feet of leasable office space (the “Office”), which is substantially complete and fully occupied by Comcast Corporation, and a 219-room Four Seasons Hotel (the “Hotel”), which was completed and opened to the public in August 2019. Costs for the development of the Project, exclusive of tenant-funded interior improvements, are anticipated to be approximately $968 million. As of September 30, 2019, the Company's investment in the project was $193.7 million and is reflected in investments in and advances to unconsolidated joint ventures in the Company's consolidated balance sheet. These joint ventures are part of the Company's Philadelphia reportable segment.

The two joint ventures engaged the Company as the developer of the Project pursuant to a Development Agreement by which the Company agreed, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. To mitigate its risk, the Company entered into guaranteed maximum price contracts (the "GMP Contracts") with a third party contractor (the "General Contractor") to construct the Project. The Company has been notified by the General Contractor that the General Contractor has incurred cost overruns comprised of amounts owed to third-party subcontractors and internal general condition costs of the General Contractor in connection with completing the Project in excess of the guaranteed maximum price payable to the General Contractor under the GMP Contracts, which guaranteed maximum price has been previously adjusted pursuant to accepted change orders. Notwithstanding the GMP Contracts, the General Contractor has generally refused to fund the cost overruns owed to third-party subcontractors, and the Company has funded, and may continue to fund, subcontractor cost overruns in compliance with its obligations under its development cost guarantee to the

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joint ventures. Accordingly, in periods prior to 2019, the Company accrued $69.3 million relating primarily to cost overruns that it estimated were probable of being funded to third-party subcontractors under its development cost guarantees to the joint ventures. As of September 30, 2019 and December 31, 2018, the Company's accrual was $29.6 million and $67.3 million, respectively (including, in each case, estimated retainage of approximately $24 million payable to subcontractors), which accruals are included in other liabilities in the accompanying consolidated balance sheets and are reflective of amounts cumulatively funded by the Company as of those dates. The Company is accounting for the development of the Project on a variable basis as a percentage of costs incurred under the development contract. The Company recognized a loss of $61.8 million for the nine months ended September 30, 2018 in development service fee income, net of development service fee expense and other related expenses. There was no loss or gain recognized related to the Project during the three months ended September 30, 2018 or the three and nine months ended September 30, 2019. The Company intends to pursue all remedies to recover from the General Contractor any amounts expended by the Company or the joint ventures in excess of their contractual obligations.

In addition to the costs to comply with the Company's obligations under its development cost guarantee, other claims related to the development of the Project have been asserted by the General Contractor and certain subcontractors. Should disputes with respect to these asserted claims proceed, the Company expects that it would assert claims against the General Contractor, both with respect to the claims as to which the above-described accrual has been made, as well as with respect to the additional claims described in this paragraph. There can be no assurances that amounts incurred, including as a result of such claims, will not exceed the above estimates. The Company is not able to reasonably estimate the amount of additional costs, if any, that it may incur as a result of such claims, and accordingly any potential exposure of the Company for such claims is not included within the accrual described above. Similarly, the Company is not able to reasonably estimate the amount, if any, that the Company may recover with respect to any claims it may assert against the General Contractor. If the Company were to incur additional expenses in connection with its development cost guarantee or in connection with such claims, such amounts would be accrued when they are determined to be probable of being incurred and are reasonably estimable, and could be material to the Company's results of operations in future periods. If the Company were to subsequently recover any of the cost overruns initially funded by the Company, whether pursuant to any such claims asserted by the Company or otherwise, such recoveries would be recorded when and if realized in future periods.

Properties in Operation

The composition of the Company’s Properties in Operation as of September 30, 2019 and 2018 was as follows (square feet in thousands):

	Rental Revenue Per Square Foot(1)				Total Square Feet Occupied		Percent Occupied
	September 30				September 30		September 30
	2019		2018		2019	2018	2019		2018
Wholly Owned Properties in Operation:	$	7.97	$	6.98	90,152	83,272	94.2	%	96.3	%
JV Properties in Operation: (2)	$	6.54	$	6.20	11,042	10,836	97.5	%	98.3	%
Properties in Operation:	$	7.81	$	6.89	101,194	94,108	94.6	%	96.5	%
Non-Core Properties	$	47.48	$	40.21	4,290	5,821	91.8	%	96.9	%

(1) Rental revenue represents the GAAP rent including variable payments per square foot at September 30, 2019 or 2018 for tenants in occupancy.

(2) JV Properties in Operation represents the properties owned by unconsolidated joint ventures in which the Company had an interest during the respective periods. Unconsolidated joint ventures in which the Company holds an interest owned 66 and 65 properties as of September 30, 2019 and 2018, respectively.

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The table below details the vacancy activity during the nine months ended September 30, 2019:

	Total Square Feet
	Wholly Owned Properties in Operation			JV Properties in Operation			Properties in Operation
Vacancy Activity
Vacancy at January 1, 2019	3,782,667			157,584			3,940,251
Acquisition vacant space	176,000			—			176,000
Completed development vacant space	1,737,180			—			1,737,180
Expirations	18,246,995			2,619,061			20,866,056
Property structural changes/other	(45,543		)	—			(45,543		)
Leasing activity	(18,279,713		)	(2,400,029		)	(20,679,742		)
Non-Core Activity	12,867			197,296			210,163
Vacancy at September 30, 2019	5,630,453			573,912			6,204,365
Capital expenditures - turnover costs per square foot (1)	$	2.57		$	2.60		$	2.57

(1) Capital expenditures - turnover costs include tenant improvement and lease transaction costs.

Forward-Looking Statements

When used throughout this report, the words “believes,” “anticipates,” “estimates” and “expects” and similar expressions are intended to identify forward-looking statements. Such statements indicate that assumptions have been used that are subject to a number of risks and uncertainties that could cause actual financial results or management plans and objectives to differ materially from those projected or expressed herein. These risks, uncertainties and other factors include, without limitation, risks associated with our ability to consummate the merger with Prologis and the timing and closing of the merger, uncertainties affecting real estate business generally (such as entry into new leases, retention of leases and dependence on tenants’ business operations), risks relating to our ability to maintain and increase property occupancy and rental rates, risks relating to the continued repositioning of the Company's portfolio, risks relating to construction and development activities, risks relating to acquisition and disposition activities, risks relating to the integration of the operations of entities that we have acquired or may acquire, risks relating to joint venture relationships and any possible need to perform under certain guarantees that we have issued or may issue in connection with such relationships, risks related to properties developed by the Company on a fee basis, risks associated with tax abatement, tax credit programs, or other government incentives, possible environmental liabilities, risks relating to leverage and debt service (including availability of financing terms acceptable to the Company and sensitivity of the Company's operations and financing arrangements to fluctuations in interest rates), dependence on the primary markets in which the Company's properties are located, the existence of complex regulations relating to status as a REIT and the adverse consequences of the failure to qualify as a REIT, risks relating to litigation and the potential adverse impact of market interest rates on the market price for the Company's securities, and other risks and uncertainties detailed in the Company’s filings with the Securities and Exchange Commission. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such statements.

Critical Accounting Policies and Estimates

Refer to the Company’s Annual Report on Form 10-K for the year ended December 31, 2018 for a discussion of critical accounting policies which include capitalized costs, revenue recognition, collectibility of receivables, impairment charges - real estate assets, intangibles, investments in unconsolidated joint ventures and derivative instruments and hedging activities. During the nine months ended September 30, 2019, there were no material changes to these policies except for the adoption of Accounting Standards Codification Topic 842 - Leases (see Note 1 to the Company's financial statements).

Results of Operations

The following discussion is based on the consolidated financial statements of the Company. It compares the results of operations of the Company for the three and nine months ended September 30, 2019 with the results of operations of the Company for the three and nine months ended September 30, 2018. As a result of the varying levels of development, acquisition and disposition activities the overall operating results of the Company during such periods are not directly comparable. However, certain data, including the Industrial Same Store comparison, do lend themselves to direct comparison.

This information should be read in conjunction with the accompanying consolidated financial statements and notes included elsewhere in this report.

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

Rental Revenue

Rental revenue was $162.9 million for the three months ended September 30, 2019 compared to $148.3 million for the same period in 2018. This increase of $14.6 million was primarily due to rental revenue related to acquisitions and completed development.

Rental revenue was $479.6 million for the nine months ended September 30, 2019 compared to $439.8 million for the same period in 2018. This increase of $39.8 million was primarily due to increased rental revenue related to acquisitions, completed development and Industrial Same Store properties partially offset by a decrease from properties sold since January 1, 2018.

Rental Property Expense

Rental property expense was $12.0 million for the three months ended September 30, 2019 compared to $12.9 million for the same period in 2018. This decrease was primarily due to an increase in rental property expense related to acquisitions and completed development offset by a reclassification of property management expenses associated with unconsolidated joint ventures to other income, where related management fee income is recorded.

Rental property expense was $39.8 million for the nine months ended September 30, 2019 compared to $39.3 million for the same period in 2018. This increase was primarily due to rental property expense related to acquisitions and completed development.

Real Estate Taxes

Real estate taxes were $23.0 million for the three months ended September 30, 2019 compared to $22.7 million for the same period in 2018. This increase was primarily due to real estate taxes associated with acquisitions and completed development properties.

Real estate taxes were $68.9 million for the nine months ended September 30, 2019 compared to $66.0 million for the same period in 2018. This increase was primarily due to real estate taxes associated with acquired properties and completed development.

Segments

The Company evaluates the performance of the Wholly Owned Properties in Operation and Wholly Owned Properties held for Redevelopment in terms of NOI by reportable segment (see Note 6 to the Company’s financial statements for a reconciliation of this measure to income from continuing operations). The following table identifies changes to NOI in reportable segments (dollars in thousands):

 

	Three Months Ended				Percentage Increase (Decrease)			Nine Months Ended				Percentage Increase (Decrease)
	September 30							September 30
	2019		2018					2019		2018
Carolinas/Richmond	$	15,638	$	14,620	7.0	%		$	47,020	$	43,795	7.4	%
Chicago/Minneapolis	10,902		10,564		3.2	%		33,294		31,271		6.5	%
Cincinnati/Columbus/Indianapolis	3,262		2,749		18.7	%	(1)	9,186		9,099		1.0	%
Dallas	4,035		3,666		10.1	%	(2)	11,848		9,274		27.8	%	(2)
Florida	11,628		11,461		1.5	%		35,097		33,717		4.1	%
Houston	12,377		9,676		27.9	%	(2)	32,159		28,714		12.0	%	(2)
Lehigh/Central PA	29,902		29,406		1.7	%		89,639		86,085		4.1	%
Philadelphia	7,876		7,947		(0.9	%)	(3)	25,583		28,211		(9.3	%)	(3)
Southern California	8,200		6,496		26.2	%	(2)	23,524		17,675		33.1	%	(2)
United Kingdom	5,421		3,234		67.6	%	(2)	16,131		10,662		51.3	%	(2)
Other	15,507		23,213		(33.2	%)	(3)	47,727		69,620		(31.4	%)	(3)
Total NOI	$	124,748	$	123,032	1.4	%		$	371,208	$	368,123	0.8	%

(1) The increase was primarily due to an increase in average occupancy.

(2) The increase was primarily due to an increase in average gross investment in operating real estate.

(3) The decrease was primarily due to a decrease in average gross investment in operating real estate.

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Industrial Same Store

Property level operating income, exclusive of termination fees, for the Industrial Same Store properties is identified in the table below.

The Industrial Same Store results were affected by changes in occupancy and rental rates as detailed below.

	Three Months Ended						Nine Months Ended
	September 30						September 30
	2019			2018			2019			2018
Average occupancy %	95.3		%	96.6		%	95.5		%	96.8		%
Average rental rate - rental revenue (1)	$	7.12		$	6.94		$	7.07		$	6.90

(1) Rental revenue represents the GAAP rent including variable payments per square foot at September 30, 2019 or 2018 for tenants in occupancy.

Management generally considers the performance of the Industrial Same Store properties to be a useful financial performance measure because the results are directly comparable from period to period. In addition, Industrial Same Store property level operating income and Industrial Same Store cash basis property level operating income are considered by management to be more reliable indicators of the portfolio’s baseline performance. Industrial Same Store properties include industrial operating properties that had reached stabilization as of January 1, 2018 (i.e., properties owned and stabilized in both the current and prior year), and exclude industrial properties held for redevelopment or that had been sold as of the end of the current quarter. As of September 30, 2019, there were 449 Industrial Same Store properties totaling 82.3 million square feet.

Set forth below is a schedule comparing the property level operating income, on a GAAP basis and on a cash basis, for the Industrial Same Store properties for the three and nine months ended September 30, 2019 and 2018. Industrial Same Store property level operating income and cash basis property level operating income are non-GAAP measures and do not represent operating income because they do not reflect all of the consolidated operations of the Company. Investors should review Industrial Same Store results, along with NAREIT Funds from operations (see “Liquidity and Capital Resources” below), U.S. GAAP net income and cash flow from operating activities, investing activities and financing activities when considering the Company’s operating performance. Also set forth below is a reconciliation of Industrial Same Store property level operating income and cash basis property level operating income to net income (in thousands).

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	Three Months Ended						Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Reconciliation of non-GAAP financial measure – Industrial Same Store:
Net income	$	102,676		$	154,071		$	260,761		$	318,686
Discontinued operations	(42,189		)	(109,198		)	(105,905		)	(224,531		)
Equity in earnings of unconsolidated joint ventures	(1,776		)	(6,766		)	(10,966		)	(20,958		)
Income taxes	878			444			1,449			1,884
Gain on property dispositions	(15,168		)	(2,002		)	(21,125		)	(54,705		)
Interest expense	25,791			23,133			76,644			66,189
Interest and other income	(2,630		)	(3,474		)	(13,887		)	(8,737		)
Impairment charges - real estate assets	—			—			99			26,000
Development service fee expense	168			12,924			1,848			120,799
Depreciation and amortization expense	43,972			41,004			130,402			120,586
Other operating expense	3,166			3,169			8,690			7,467
Leasing expense	3,082			2,610			9,608			8,189
General and administrative expense	10,186			9,807			35,483			32,747
Development service fee income	(257		)	(12,956		)	(2,099		)	(59,132		)
Termination fees	(389		)	(115		)	(894		)	(1,742		)
Non-same store properties NOI	(19,942		)	(5,385		)	(46,989		)	(11,909		)
Industrial Same Store property level operating income	107,568			107,266			323,119			320,833
Less straight line rent adjustment	2,214			2,052			5,117			10,714
Industrial Same Store cash basis property level operating income	$	105,354		$	105,214		$	318,002		$	310,119
Industrial Same Store:
Rental revenue	$	139,311		$	139,596		$	417,898		$	416,750
Operating expenses:
Rental property expense	(13,206		)	(12,128		)	(38,178		)	(36,721		)
Real estate taxes	(18,537		)	(20,202		)	(56,601		)	(59,196		)
Industrial Same Store property level operating income	107,568			107,266			323,119			320,833
Less straight line rent adjustment	2,214			2,052			5,117			10,714
Industrial Same Store cash basis property level operating income	$	105,354		$	105,214		$	318,002		$	310,119

Development Service Fee Income and Expense

Development Service fee activity changed to an aggregate net profit of $89,000 and $251,000 for the three and nine months ended September 30, 2019, respectively, compared to an aggregate net profit of $32,000 and a net loss of $61.7 million for the three and nine months ended September 30, 2018. The change was primarily due to a net loss on development service fee income and expense in the Company's Philadelphia reportable segment during the nine months ended September 30, 2018. See Note 13 to the Company's financial statements.

General and Administrative

General and administrative expenses increased to $10.2 million for the three months ended September 30, 2019 compared to $9.8 million for the three months ended September 30, 2018 and increased to $35.5 million for the nine months ended September 30, 2019 compared to $32.7 million for the nine months ended September 30, 2018. These increases were primarily due to annual compensation adjustments and increases in consulting and software costs offset by a reduction in incentive compensation.

General and administrative expenses include salaries, wages and incentive compensation for general and administrative staff along with related costs, consulting, marketing, public company expenses and other general and administrative costs.

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Leasing Expense

Leasing expense increased to $3.1 million for the three months ended September 30, 2019 compared to $2.6 million for the three months ended September 30, 2018 and increased to $9.6 million for nine months ended September 30, 2019 compared to $8.2 million for nine months ended September 30, 2018. These increases were primarily due to legal expenses related to leasing, which are now required to be expensed under the new lease accounting standard. During the three and nine months ended September 30, 2018, these costs were capitalized.

Other Operating Expense

Other operating expenses were $3.2 million for the three months ended September 30, 2019 and 2018 and increased to $8.7 million for nine months ended September 30, 2019 compared to $7.5 million for nine months ended September 30, 2018. The nine month increase was primarily due to an increase in severance costs.

Depreciation and Amortization

Depreciation and amortization increased to $44.0 million for the three months ended September 30, 2019 from $41.0 million for the three months ended September 30, 2018 and increased to $130.4 million for the nine months ended September 30, 2019 compared to $120.6 million for the nine months ended September 30, 2018. These increases were primarily due to increased depreciation and amortization related to acquisitions and completed development since January 1, 2018.

Interest Expense

Interest expense increased to $25.8 million for the three months ended September 30, 2019 from $23.1 million for the three months ended September 30, 2018. This increase was primarily due to an increase in average debt outstanding, which increased to $3,083.8 million for the three months ended September 30, 2019 compared to $3,039.7 million for the three months ended September 30, 2018. The increase was also due to an increase in the weighted average interest rate, which was 3.9% for the three months ended September 30, 2019 compared to 3.8% for the three months ended September 30, 2018 and by a decrease in capitalization of interest, which decreased by $0.4 million for the three months ended September 30, 2019 as compared to the three months ended September 30, 2018.

Interest expense increased to $76.6 million for the nine months ended September 30, 2019 from $66.2 million for the nine months ended September 30, 2018. This increase was primarily due to an increase in average debt outstanding, which increased to $3,109.4 million for the nine months ended September 30, 2019 compared to $2,951.4 million for the nine months ended September 30, 2018. The increase was also due to an increase in the weighted average interest rate, which was 3.9% for the nine months ended September 30, 2019 compared to 3.8% for the nine months ended September 30, 2018. Interest expense was also partially offset by an increase in capitalization of interest, which increased by $1.1 million for the nine months ended September 30, 2019 as compared to the nine months ended September 30, 2018.

Interest and Other Income

Interest and other income decreased to $2.6 million for the three months ended September 30, 2019 compared to $3.5 million for the three months ended September 30, 2018 and increased to $13.9 million for the nine months ended September 30, 2019 compared to $8.7 million for the nine months ended September 30, 2018. The decrease for the three month period was primarily due to a reclassification of property management expenses associated with unconsolidated joint ventures from rental property expense, where related management fee expense is recorded. The increase for the nine month period was primarily related to insurance proceeds recognized.

Impairment charges - real estate assets

Impairment charges in continuing operations for the nine months ended September 30, 2019 were $99,000. There were no impairment charges in continuing operations for the three months ended September 30, 2019. Impairment charges for the nine months ended September 30, 2018 equaled $26.0 million and were related to the Camden Waterfront project in 2018. See Note 7 to the Company's financial statements.

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Equity in Earnings of Unconsolidated Joint Ventures

Equity in earnings of unconsolidated joint ventures decreased to $1.8 million for the three months ended September 30, 2019 compared to $6.8 million for the three months ended September 30, 2018 and decreased to $11.0 million for the nine months ended September 30, 2019 compared to $21.0 million for the nine months ended September 30, 2018. These decreases were primarily related to the Company's share of an impairment charge of $2.6 million for three months ended September 30, 2019 and $6.7 million for nine months ended September 30, 2019, related to a building held for sale and owned by a joint venture located in the Company's DC reportable segment and decreases in recognized gains on the sale of land leasehold interests in the Company's United Kingdom reportable segment. See Note 13 to the Company's financial statements.

Other

Gain on property dispositions increased to $15.2 million for the three months ended September 30, 2019 compared to $2.0 million for the three months ended September 30, 2018 and decreased to $21.1 million for the nine months ended September 30, 2019 compared to $54.7 million for the nine months ended September 30, 2018. These changes resulted from the composition of sales included in continuing operations in 2019 as compared to 2018.

Income Tax

Income taxes increased to $0.9 million for the three months ended September 30, 2019 compared to $0.4 million for the three months ended September 30, 2018 and decreased to $1.4 million for the nine months ended September 30, 2019 compared to $1.9 million for the nine months ended September 30, 2018. These changes resulted from changes in income tax expense and income tax refunds related to the United Kingdom reportable segment.

Discontinued Operations

A summary of the results of operations for the properties classified as discontinued operations through the respective disposition dates (if applicable) is as follows (in thousands):

	For the Three Months Ended						For the Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Rental revenue	$	8,498		$	23,911		$	33,593		$	73,613
Operating expenses	(3,117		)	(5,329		)	(10,903		)	(17,276		)
Depreciation and amortization	—			(2,666		)	(2,129		)	(11,138		)
Loss on debt extinguishment	—			—			(7,618		)	—
Interest expense	(429		)	(1,537		)	(1,653		)	(5,142		)
Impairment charges - real estate assets	(7,190		)	—			(21,482		)	—
Interest and other income (expense)	4			(31		)	(57		)	(132		)
Income taxes	(5		)	(28		)	(298		)	(83		)
Gain on property dispositions	44,428			94,878			116,452			184,689
Income from discontinued operations	$	42,189		$	109,198		$	105,905		$	224,531

Changes in discontinued operations are reflective of the period of time the properties were held during the respective periods. To the extent that a property is sold, or completed and stabilized, during a period, it will only impact the results of such period prior to being sold or completed and stabilized, as the case may be. There were five properties classified as discontinued operations and sold during the three months ended September 30, 2019 and 13 properties classified as discontinued operations sold during the nine months ended September 30, 2019. In addition, during the nine months ended September 30, 2019 the Company used the proceeds from the sale of a building in the Philadelphia reportable segment to repay a mortgage loan on the property and recognized a loss of $7.6 million on early extinguishment of debt. The Company also recognized an impairment loss related to an office building held for sale in the Company's DC Metro segment.

As a result of the foregoing factors, the Company’s net income decreased to $102.7 million for the three months ended September 30, 2019 from $154.1 million for the three months ended September 30, 2018 and decreased to $260.8 million for the nine months ended September 30, 2019 from $318.7 million for the nine months ended September 30, 2018.

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Liquidity and Capital Resources

Overview

The Company seeks to maintain a conservative balance sheet and pursue a strategy of financial flexibility. The Company's liquidity requirements include operating and general and administrative expenses, shareholder distributions, funding its investment in development properties and joint ventures, funding its development cost guarantee (see Note 13 to the Company's consolidated financial statements) and satisfying interest requirements and debt maturities. The Company believes that proceeds from operating activities, asset sales, its available cash, borrowing capacity from its Credit Facilities (defined below) and its other sources of capital including the public debt and equity markets will provide it with sufficient funds to satisfy these obligations.

The Company is subject to financial covenants contained in some of its debt agreements, the most restrictive of which are related to the Company's Credit Facilities (defined below). As of September 30, 2019, the Company was in compliance with all financial covenants.

Activity

As of September 30, 2019, the Company had cash and cash equivalents of $528.9 million, including $14.0 million in restricted cash.

Net cash provided by operating activities decreased to $226.6 million for the nine months ended September 30, 2019 from $296.4 million for the nine months ended September 30, 2018. This $69.8 million decrease was due to net cash received on contractual receivables due from home builders relating to land sales in the UK in 2018, and payments in 2019 related to cost overruns on the Comcast Technology Center (see Note 13 to the Company's consolidated financial statements). Net cash provided by operating activities is the primary source of liquidity to fund distributions to shareholders and for recurring capital expenditures - property improvements and turnover costs for the Company’s Wholly Owned Properties in Operation.

Net cash provided by (used in) investing activities changed to net cash provided of $23.1 million for the nine months ended September 30, 2019 from net cash used of $285.6 million for the nine months ended September 30, 2018. This $308.7 million change was primarily due to funding of the Comcast Technology Center joint ventures for completion of the development of the office portion of property during 2018 and relative acquisition and disposition activity for the comparative periods.

Net cash provided by (used in) financing activities changed to net cash provided of $182.9 million for the nine months ended September 30, 2019 from net cash used of $1.8 million for the nine months ended September 30, 2018. This $184.7 million increase was due to debt and equity activity during the respective periods. In January 2019, the Company issued $350 million of 4.375% senior unsecured notes due 2029. A substantial portion of the proceeds from this financing were used to repay the Company's revolving credit facilities. In September 2019, the Company sold 9.2 million common shares at a price of $50.50 per share. Proceeds from the offering of $447.9 million were used to fund the early redemption in October 2019 of the Operating Partnership's $350 million 4.75% senior unsecured notes due October 2020, repay outstanding balances on its revolving credit facilities and for general corporate purposes. A substantial portion of such proceeds were held in unrestricted cash as of September 30, 2019. Financing activities include proceeds from the issuance of debt and equity, debt repayments, equity repurchases and distributions.

The Company has a $900 million unsecured credit facility (the "Credit Facility") which includes a revolving credit facility for borrowings up to $800 million and a delayed draw term loan facility (the "DDTL") aggregating up to $100 million. It matures in October 2021 and the Company has options to extend the maturity date for up to one additional year. Based upon the Company’s current credit ratings, borrowings under the facility bear interest at LIBOR plus 87.5 basis points for revolving loans and 95 basis points for delayed draw term loans. There is also a 15 basis point annual facility fee on the aggregate loan commitments of the revolving credit facility. The Credit Facility contains a competitive bid option, whereby participating lenders bid on the interest rate to be charged. This feature is available for up to 50% of the amount of the revolving credit facility. As of September 30, 2019, the Company had no outstanding borrowings and $8.9 million of letters of credit issued under the revolving credit facility, and $100 million in outstanding borrowings under the DDTL.

The Company also has a $30 million unsecured working capital revolving credit facility ("WCL", together the "Credit Facilities") on terms substantially consistent with the Credit Facility discussed above. As of September 30, 2019, the Company had no outstanding borrowings under the WCL.

The Company uses debt financing to lower its overall cost of capital in an attempt to increase the return to shareholders. The Company staggers its debt maturities and maintains debt levels it considers to be prudent. In determining its debt levels, the Company considers various financial measures including the debt to gross assets ratio and the fixed charge coverage ratio. As of September 30, 2019, the Company’s debt to gross assets ratio was 36.1% and for the nine months ended September 30, 2019, the fixed charge coverage ratio was 3.8x. Debt to gross assets equals total long-term debt and borrowings under the Credit Facilities

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divided by total assets plus accumulated depreciation (including accumulated depreciation in properties held for sale). The fixed charge coverage ratio equals net income, after adjusting for depreciation and amortization expense, interest expense, impairment charges and the effect of other non-cash items, debt extinguishment gains (losses), gains (losses) on property dispositions, income tax expense (benefit) and share-based compensation expenses, divided by the sum of consolidated interest expense, capitalized interest, preferred dividends, and debt principal amortization (excluding balloon payments) all inclusive of operations included in discontinued operations.

As of September 30, 2019, $297.2 million in mortgage loans (including $65.1 million fixed via a swap arrangement - see Note 14 to the Company's financial statements) and $2.7 billion in unsecured notes were outstanding with a weighted average interest rate of 3.9%. The interest rates on the mortgage loans and unsecured notes are fixed (including those fixed via swap arrangements) and range from 2.6% to 4.8%. The weighted average remaining term for the mortgage loans and unsecured notes is 4.9 years.

The scheduled principal amortization and maturities of the Company’s mortgage loans, unsecured notes and the Credit Facilities and the related weighted average interest rates as of September 30, 2019 are as follows (in thousands, except percentages):

														Weighted
	Mortgages													Average
	Principal		Principal		Unsecured				Credit					Interest
	Amortization		Maturities		Notes				Facilities		Total			Rate
2019	$	936	$	—	$	—			$	—	$	936		4.1	%
2020	1,673		67,361		350,000			(2)	—		419,034			4.7	%
2021	545		65,009		—				100,000		165,554			3.4	%
2022	116		—		400,000				—		400,116			4.1	%
2023	123		—		300,000				—		300,123			3.4	%
2024	130		—		450,000				—		450,130			4.4	%
2025	138		—		400,000				—		400,138			3.8	%
2026	—		1,946		400,000				—		401,946			3.3	%
2027	—		—		—				—		—			—	%
2028 and thereafter	—		159,221		350,000				—		509,221			3.8	%
Subtotal	3,661		293,537		2,650,000				100,000		3,047,198			3.9	%
Reconciling items (1)	128		—		(16,059		)		—		(15,931		)
Total for consolidated balance sheet	$	3,789	$	293,537	$	2,633,941			$	100,000	$	3,031,267

(1) Includes deferred financing costs, premium/discount and market adjustments.

(2) Repaid in October 2019 with funds from the September 2019 equity offering.

Generally, the Company’s objective is to meet its short-term liquidity requirement of funding the payment of its current level of quarterly preferred and common distributions to shareholders and unitholders through its net cash flows provided by operating activities, less capital expenditures - property improvement and turnover costs. If net cash flows from operations are not sufficient to meet its quarterly distributions to shareholders and unitholders, the Company would utilize borrowings from the Credit Facilities to fund such distributions.  

The Company believes that its existing sources of capital will provide sufficient funds to finance its continued development and acquisition activities. The Company's existing sources of capital include the public debt and equity markets, proceeds from secured financing of properties, proceeds from property dispositions, equity capital from joint venture partners, remaining capacity of $125.0 million under the Company's at-the-market equity offering program and net cash provided by operating activities. Additionally, the Company expects to incur variable rate debt, including borrowings under the Credit Facilities, from time to time.

The Company's latest quarterly dividend (paid in October 2019) was $0.41 per share ($1.64 per share annualized). Future distribution payments by the Company will be paid at the discretion of the Board of Trustees and will depend on the Company's actual funds from operations and cash flows, the Company’s financial condition and capital requirements, the annual distribution requirements under the REIT provisions of the Internal Revenue Code and other factors that the Board of Trustees deems relevant. The Company’s Board of Trustees reviews the dividend quarterly, and there can be no assurance about the amount of future quarterly distribution payments.

General

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The Company has an effective S-3 shelf registration statement on file with the SEC pursuant to which the Trust and the Operating Partnership may issue an unlimited amount of equity securities and debt securities.

Calculation of Funds from Operations

The National Association of Real Estate Investment Trusts (“NAREIT”) has issued a standard definition for NAREIT Funds from operations ("NAREIT FFO") (defined below). The SEC has agreed to the disclosure of this non-GAAP financial measure on a per share basis in its Release No. 34-47226, Conditions for Use of Non-GAAP Financial Measures. The Company believes that the calculation of NAREIT FFO is helpful to investors and management as it is a measure of the Company’s operating performance that excludes depreciation and amortization and gains and losses from dispositions of depreciable property. As a result, year over year comparison of NAREIT FFO reflects the impact on operations from trends in occupancy rates, rental rates, operating costs, development activities, general and administrative expenses, and interest costs, providing perspective not immediately apparent from net income. In addition, management believes that NAREIT FFO provides useful information to the investment community about the Company’s financial performance when compared to other REITs since NAREIT FFO is generally recognized as the standard for reporting the operating performance of a REIT. NAREIT FFO is defined by NAREIT as follows: net income (computed in accordance with U.S. GAAP), excluding depreciation and amortization related to real estate, gains and losses from the sale of certain real estate assets, gains and losses from change in control, and impairment write-downs of certain real estate assets and investments in entities when the impairment is directly attributable to decreases in the value of depreciable real estate held by the entity. The Company has opted to include gains and losses from the sale of assets incidental to its main business as a REIT. NAREIT FFO does not represent net income or cash flows from operations as defined by U.S. GAAP and does not necessarily indicate that cash flows will be sufficient to fund cash needs. It should not be considered as an alternative to net income as an indicator of the Company’s operating performance or to cash flows as a measure of liquidity. NAREIT FFO also does not represent cash flows generated from operating, investing or financing activities as defined by U.S. GAAP.

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A reconciliation of net income available to common shareholders to NAREIT FFO available to common shareholders for the three and nine months ended September 30, 2019 and 2018 are as follows (in thousands, except per share amounts):

	Three Months Ended						Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Reconciliation of net income available to common shareholders to NAREIT FFO available to common shareholders:
Net income available to common shareholders	$	100,364		$	150,143		$	254,465		$	309,938
Adjustments:
Depreciation and amortization of unconsolidated joint ventures	3,249			3,193			9,407			9,631
Depreciation and amortization	43,593			43,112			131,330			130,284
Loss on property dispositions / impairment - depreciable real estate assets of unconsolidated joint ventures	2,569			—			6,667			—
(Gain) on property dispositions / impairment - depreciable real estate assets continuing operations	(8,127		)	(17		)	(8,162		)	(51,227		)
(Gain) on property dispositions / impairment - depreciable real estate assets discontinued operations	(37,238		)	(94,878		)	(94,534		)	(184,689		)
Noncontrolling interest share in addback for depreciation and amortization and gain on property dispositions / impairment - depreciable real estate assets	(88		)	1,131			(1,032		)	2,234
NAREIT FFO available to common shareholders – basic	$	104,322		$	102,684		$	298,141		$	216,171
Noncontrolling interest share in addback for depreciation and amortization and gain on property dispositions / impairment charges - depreciable real estate assets	88			(1,131		)	1,032			(2,234		)
Noncontrolling interest less preferred unit distributions	2,226			3,578			5,875			7,384
NAREIT FFO available to common shareholders – diluted	$	106,636		$	105,131		$	305,048		$	221,321
Basic NAREIT FFO available to common shareholders per weighted average share	$	0.69		$	0.70		$	2.01		$	1.47
Diluted NAREIT FFO available to common shareholders per weighted average share	$	0.69		$	0.69		$	2.00		$	1.46
Reconciliation of weighted average shares:
Weighted average common shares	150,140			147,324			148,532			147,241
Dilutive shares for long term compensation plans	839			947			851			919
Diluted shares for net income	150,979			148,271			149,383			148,160
Weighted average common units	3,506			3,520			3,513			3,520
Diluted shares for NAREIT FFO	154,485			151,791			152,896			151,680

Inflation

Inflation has remained relatively low in recent years, and as a result, it has not had a significant impact on the Company during this period. To the extent an increase in inflation would result in increased operating costs, such as insurance, real estate taxes and utilities, substantially all of the tenants’ leases require the tenants to absorb these costs as part of their rental obligations. In addition, inflation also may have the effect of increasing market rental rates.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

There have been no material changes to the Company’s exposure to market risk since its Annual Report on Form 10-K for the year ended December 31, 2018.

Item 4. Controls and Procedures

Controls and Procedures with respect to the Trust

(a) Evaluation of Disclosure Controls and Procedures

The Trust’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on this evaluation, the Trust’s Chief

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Executive Officer and Chief Financial Officer have concluded that the Trust’s disclosure controls and procedures, as of the end of the period covered by this report, were effective to provide reasonable assurance that information required to be disclosed by the Trust in its reports filed or submitted under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in SEC’s rules and forms and (ii) accumulated and communicated to the Trust’s management, including its principal executive and principal financial officers, or persons performing similar function, as appropriate to allow timely decisions regarding required disclosure.

(b) Changes in Internal Control Over Financial Reporting

In the third quarter of 2019, the Trust completed its implementation of a new enterprise resource planning (ERP) system, which is designed to replace or enhance certain internal financial and operating systems. In connection with the ERP implementation, the Company made material changes to the processes and controls that comprise its internal control over financial reporting, as necessary, to accommodate related changes to its accounting procedures and business processes. There have been no other changes in the Trust’s internal control over financial reporting during the quarter ended September 30, 2019 that have materially affected or are reasonably likely to materially affect the Trust’s internal control over financial reporting.

Controls and Procedures with respect to the Operating Partnership

(a) Evaluation of Disclosure Controls and Procedures

The Trust’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, on behalf of the Trust in its capacity as the general partner of the Operating Partnership, evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on this evaluation, the Trust’s Chief Executive Officer and Chief Financial Officer have concluded that the Operating Partnership’s disclosure controls and procedures, as of the end of the period covered by this report, were effective to provide reasonable assurance that information required to be disclosed by the Operating Partnership in its reports filed or submitted under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in SEC’s rules and forms and (ii) accumulated and communicated to the Trust’s management, including its principal executive and principal financial officers, or persons performing similar function, as appropriate to allow timely decisions regarding required disclosure.

(b) Changes in Internal Control Over Financial Reporting

In the third quarter of 2019, the Operating Partnership completed its implementation of a new enterprise resource planning (ERP) system, which is designed to replace or enhance certain internal financial and operating systems. In connection with the ERP implementation, the Company made material changes to the processes and controls that comprise its internal control over financial reporting, as necessary, to accommodate related changes to its accounting procedures and business processes. There have been no other changes in the Operating Partnership’s internal control over financial reporting during the quarter ended September 30, 2019 that have materially affected or are reasonably likely to materially affect the Operating Partnership’s internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

The Company is not a party to any material litigation as of September 30, 2019.

Item 1A. Risk Factors

Risks Related to the Mergers

The exchange ratio will not be adjusted in the event of any change in the stock prices of either us or Prologis.

Upon the consummation of the Mergers, each of our outstanding common shares of beneficial interest will be converted into the right to receive 0.675 shares of Prologis common stock, with cash paid in lieu of any fractional shares, without interest. The exchange ratio of 0.675 will not be adjusted for changes in the market prices of either our common shares or shares of Prologis common stock. Changes in the market price of shares of Prologis common stock prior to the Mergers will affect the market value of the merger consideration that our shareholders will receive on the closing date of the Mergers. Stock price changes may result from a variety of factors (many of which are beyond the control of us and Prologis), including the following factors:

• market reaction to the announcement of the Mergers and the prospects of the combined company;

• changes in the respective businesses, operations, assets, liabilities and prospects of either company;

• changes in market assessments of the business, operations, financial position and prospects of either company or the combined company;

• market assessments of the likelihood that the Mergers will be completed;

• interest rates, general market and economic conditions and other factors generally affecting the market prices of our common shares and Prologis common stock;

• federal, state and local legislation, governmental regulation and legal developments in the businesses in which we and Prologis operate; and

• other factors beyond our control and that of Prologis, including those described or referred to elsewhere in this “Risk Factors” section.

The market price of shares of Prologis common stock at the closing of the Mergers may vary from its price on the date the Merger Agreement was executed, on the date of the proxy statement/prospectus and on the date of our special meeting. As a result, the market value of the merger consideration represented by the exchange ratio will also vary.

If the market price of shares of Prologis common stock increases between the date the Merger Agreement was signed, the date of the proxy statement/prospectus or the date of our special meeting and the closing of the Mergers, our shareholders could receive shares of Prologis common stock that have a market value upon completion of the Mergers that is greater than the market value of such shares calculated pursuant to the exchange ratio on the date the Merger Agreement was signed, the date of the proxy statement/prospectus or on the date of the special meeting, respectively. Conversely, if the market price of shares of Prologis common stock declines between the date the Merger Agreement was signed or the date of our special meeting and the closing of the Mergers, our shareholders could receive shares of Prologis common stock that have a market value upon completion of the Mergers that is less than the market value of such shares calculated pursuant to the exchange ratio on the date the Merger Agreement was signed, the date of the proxy statement/prospectus or on the date of the special meeting, respectively.

Therefore, while the number of shares of Prologis common stock to be issued per share of our common shares of beneficial interest is fixed, our shareholders cannot be sure of the market value of the merger consideration they will receive upon completion of the Mergers.

Completion of the Mergers is subject to many closing conditions and if these conditions are not satisfied or waived, the Mergers will not be completed, which could result in the requirement that we pay certain termination fees.

The consummation of the Mergers is subject to certain conditions, including (a) the approval of the Company Mergers by the holders of at least two-thirds of our outstanding common shares of beneficial interest, (b) the shares of Prologis common stock to be issued in the Company Merger having been approved for listing on the New York Stock Exchange, (c) the Form S-4 filed by Prologis in connection with the Mergers being declared effective, (d) the absence of any temporary restraining order, injunction or other legal order, and no change in law being enacted, which would have the effect of making illegal or otherwise prohibiting preventing the consummation of the Mergers, (e) the receipt of certain legal opinions by us and Prologis and (f) other customary conditions specified in the Merger Agreement.

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There can be no assurance that the conditions to closing of the Mergers will be satisfied or waived or that the Mergers will be completed. Failure to consummate the Mergers may adversely affect our results of operations and business prospects for the following reasons, among others: (i) we will incur certain transaction costs, regardless of whether the proposed Mergers close, which could adversely affect our financial condition, results of operations and ability to make distributions to our shareholders; and (ii) the proposed Mergers, whether or not they close, will divert the attention of certain of our management and other key employees from ongoing business activities, including the pursuit of other opportunities that could be beneficial to us. In addition, we or Prologis may terminate the Merger Agreement under certain circumstances, including, among other reasons, if the Mergers are not completed by June 1, 2020 (the “Outside Date”), and if the Merger Agreement is terminated under certain circumstances specified in the Merger Agreement, we may be required to pay Prologis a termination fee of $325 million. However, the termination fee payable by us to Prologis will be $150 million if the Merger Agreement is terminated before the end of the “Window Period End Time” (as defined below) by (a) us in order for us to accept a superior proposal from a “Qualified Bidder” (as defined below) or (b) Prologis because our board of trustees changed its recommendation that our shareholders approve the Company Merger as the result of a superior proposal from a “Qualified Bidder.” Under the Merger Agreement, a “Qualified Bidder” is a bidder that delivered an acquisition proposal on or prior to 11:59 p.m. (New York time) on November 26, 2019 that, on or prior to such date, our board of trustees determined in good faith (after consultation with its outside legal counsel and its financial advisors) constituted or would reasonably be expected to lead to a superior proposal. In addition, the term “Window Period End Time” means the later of (i) 11:59 p.m. (New York time) on December 11, 2019 and (ii) one day after the end of a required notice period with respect to a superior proposal by such Qualified Bidder provided that such notice period (as may be extended) began on or prior to 11:59 p.m. (New York time) on November 26, 2019. If our shareholders vote on but do not approve, the Company Mergers, and the Merger Agreement is thereafter terminated, then we may be required to reimburse Prologis’s transaction expenses up to an amount equal to $15 million. If the Mergers are not consummated, the price of our common shares might decline.

Failure to complete the Mergers could negatively impact the price of our common shares, future business and financial results.

If the Mergers are not completed, our ongoing business could be adversely affected and we will be subject to a variety of risks associated with the failure to complete the Mergers, including the following:

• being required, under certain circumstances, to pay to Prologis a termination fee of $150 million or $325 million depending on the circumstances (or if the shareholder vote on but do not approve, the Company Mergers, and the Merger Agreement is thereafter terminated, then we may be required to reimburse Prologis’s transaction expenses up to an amount equal to $15 million);

• having to pay certain costs relating to the proposed Mergers, such as legal, accounting, financial advisor, filing, printing and mailing fees; and

• diversion of management focus and resources from operational matters and other strategic opportunities while working to implement the Mergers.

If the Mergers are not completed, these risks could materially affect our business, financial results and stock price.

The pendency of the Mergers could adversely affect our business and operations.

Prior to the effective time of the Mergers, some of our tenants, prospective tenants or vendors may delay or defer decisions, which could negatively affect the revenues, earnings, cash flows and expenses of us, regardless of whether the Mergers are completed. Similarly, our current and prospective employees may experience uncertainty about their future roles with the combined company following the Mergers, which may materially adversely affect our ability to attract and retain key personnel during the pendency of the Mergers. In addition, due to operating restrictions in the Merger Agreement, we may be unable, during the pendency of the Mergers, to pursue strategic transactions, undertake significant capital projects, undertake certain significant financing transactions and otherwise pursue other actions, even if such actions would prove beneficial.

The Merger Agreement contains provisions that could make it difficult for a third party to acquire us prior to the Mergers.

Pursuant to the Merger Agreement, we have agreed not to (a) solicit proposals relating to certain alternative transactions, (b) enter into discussions or negotiations or provide non-public information in connection with any proposal for an alternative transaction from a third party or (c) approve or enter into any agreements providing for any such alternative transaction, subject to certain exceptions to permit members of our board of trustees to comply with their duties as trustees under applicable law. Notwithstanding these “no-shop” restrictions, prior to obtaining the approval of our shareholders, under specified circumstances our board of trustees may change its recommendation of the transaction, and we may also terminate the Merger Agreement to accept a superior proposal upon payment of the termination fee described below.

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The Merger Agreement provides that, in connection with the termination of the Merger Agreement under specified circumstances, we may be required to pay to Prologis a termination fee of $325 million. However, the termination fee payable by us to Prologis will be $150 million if the Merger Agreement is terminated before the end of the “Window Period End Time” by (a) us in order for us to accept a superior proposal from a “Qualified Bidder” or (b) Prologis because our board of trustees changed its recommendation that our shareholders approve the Company Merger as the result of a superior proposal from a “Qualified Bidder.” If our shareholders vote on, but do not approve, the Company Mergers, and the Merger Agreement is thereafter terminated, we may be required to reimburse Prologis's transaction expenses up to an amount equal to $15 million.

These provisions could discourage a potential competing acquirer that might have an interest in acquiring all or a significant part of us from considering or proposing such an acquisition, even if the potential competing acquirer was prepared to pay consideration with a higher per share value than the value proposed to be received or realized in the Mergers, or might result in a potential competing acquirer proposing to pay a lower per share value than it might otherwise have proposed to pay because of the added expense of the termination fee that may become payable in certain circumstances under the Merger Agreement.

Risks Related to the Combined Company Following the Mergers

The combined company expects to incur substantial expenses related to the Mergers.

The combined company expects to incur substantial expenses in connection with completing the Mergers and integrating our business, operations, networks, systems, technologies, policies and procedures with those of Prologis. There are several systems that must be integrated, including accounting and finance and asset management. While Prologis has assumed that a certain level of transaction and integration expenses would be incurred, there are a number of factors beyond its control that could affect the total amount or the timing of the combined company’s integration expenses. Many of the expenses that will be incurred, by their nature, are difficult to estimate accurately at the present time. As a result, the transaction and integration expenses associated with the Mergers could, particularly in the near term, exceed the savings that the combined company expects to achieve from the elimination of duplicative expenses and the realization of economies of scale and cost savings related to the integration of the businesses following the completion of the Mergers.

Following the Mergers, the combined company may be unable to integrate our business and Prologis’ business successfully and realize the anticipated synergies and other benefits of the Mergers or do so within the anticipated time frame.

The Mergers involve the combination of two companies that currently operate as independent public companies and the combination of their respective operating partnerships. The combined company is expected to benefit from the elimination of duplicative costs associated with supporting a public company platform and the leveraging of state of the art technology and systems. These savings are expected to be realized upon full integration following the closing of the Mergers. However, the combined company will be required to devote significant management attention and resources to integrating the business practices and operations of us and Prologis. Potential difficulties the combined company may encounter in the integration process include the following:

• the inability to successfully combine our business and that of Prologis in a manner that permits the combined company to achieve the cost savings anticipated to result from the Mergers, which would result in the anticipated benefits of the Mergers not being realized in the timeframe currently anticipated or at all;

• the complexities associated with integrating personnel from the two companies;

• potential unknown liabilities and unforeseen increased expenses, delays or regulatory conditions associated with the Mergers; and

• performance shortfalls as a result of the diversion of management’s attention caused by completing the Mergers and integrating the companies’ operations.

For all these reasons, you should be aware that it is possible that the integration process could result in the distraction of the combined company’s management, the disruption of the combined company’s ongoing business or inconsistencies in the combined company’s operations, services, standards, controls, procedures and policies, any of which could adversely affect the ability of the combined company to maintain relationships with tenants, vendors and employees or to achieve the anticipated benefits of the Mergers, or could otherwise adversely affect the business and financial results of the combined company.

The market price of the combined company’s common stock may decline as a result of the Mergers.

The market price of the combined company’s common stock may decline as a result of the Mergers if the combined company does not achieve the perceived benefits of the Mergers as rapidly or to the extent anticipated by financial or industry analysts, or the effect of the Mergers on the combined company’s financial results is not consistent with the expectations of financial or industry analysts.

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In addition, upon consummation of the Mergers, our shareholders will own interests in a combined company operating an expanded business with a different mix of properties, risks and liabilities. Our shareholders and current Prologis stockholders may not wish to continue to invest in the combined company, or for other reasons may wish to dispose of some or all of their shares of the combined company’s common stock. If, following the effective time of the Company Merger, large amounts of the combined company’s common stock are sold, the price of the combined company’s common stock could decline.

The combined company may incur adverse tax consequences if Prologis has failed or fails to qualify as a REIT for U.S. federal income tax purposes.

Prologis has operated in a manner that it believes has allowed it to qualify as a REIT for U.S. federal income tax purposes under the Code and intends to continue to do so through the time of the Company Mergers. Prologis intends to continue operating in such a manner following the Company Mergers. The closing of the Company Mergers is conditioned on the receipt by us of an opinion of Prologis’s counsel to the effect that Prologis has been organized and operated in conformity with the requirements for qualification and taxation as a REIT under the Code, and Prologis’s actual and proposed method of operation has enabled it and will continue to enable it to satisfy the requirements for qualification and taxation as a REIT. The foregoing REIT opinion, however, is limited to the factual representations provided by Prologis to its counsel and the assumptions set forth therein, and is not a guarantee that the Prologis, in fact, has qualified or will continue to qualify as a REIT. Moreover, Prologis has not requested nor plans to request a ruling from the IRS that it qualifies as a REIT. Qualification as a REIT involves the application of highly technical and complex Code provisions for which there are only limited judicial and administrative interpretations. The complexity of these provisions and of the applicable Treasury Regulations is greater in the case of a REIT, like Prologis, that holds assets through a partnership and that has substantial foreign operations. The determination of various factual matters and circumstances not entirely within Prologis’s control may affect its ability to qualify as a REIT.

If Prologis (or, following the Company Mergers, the combined company) loses its REIT status, or is determined to have lost its REIT status in a prior year, it will face serious tax consequences that would substantially reduce its cash available for distribution, including cash available to pay dividends to its stockholders, because:

• it would be subject to U.S. federal income tax on its net income at regular corporate rates for the years it did not qualify for taxation as a REIT (and, for such years, would not be allowed a deduction for dividends paid to stockholders in computing its taxable income);

• it could be subject to the federal alternative minimum tax and possibly increased state and local taxes for such periods;

• unless it is entitled to relief under applicable statutory provisions, neither it nor any “successor” company could elect to be taxed as a REIT until the fifth taxable year following the year during which it was disqualified; and

• for five years following re-election of REIT status, upon a taxable disposition of an asset owned as of such re-election, it could be subject to corporate level tax with respect to any built-in gain inherent in such asset at the time of re-election.

As a result of all these factors, Prologis’s (or following the Company Mergers, the combined company’s) failure to qualify as a REIT could impair the combined company’s ability to expand its business and raise capital, and would materially adversely affect the value of its stock.

If either of the Company Mergers does not qualify as a tax-free reorganization, there may be adverse tax consequences.

Each of the Company Mergers is intended to qualify as a tax-free reorganization within the meaning of Section 368(a) of the Code. The closing of the Company Mergers is conditioned on the receipt by each of Prologis and us of an opinion of our respective counsel to the effect that each of the Company Mergers will qualify as a tax-free reorganization within the meaning of Section 368(a) of the Code. The foregoing opinions, however, are limited to the factual representations provided by Prologis and us to counsel and the assumptions set forth therein, and are not a guarantee that either of the Company Mergers, in fact, will qualify as a tax-free reorganization. Moreover, neither we nor Prologis has requested or plans to request a ruling from the IRS that either of the Company Mergers qualifies as a tax-free reorganization. If either of the Company Mergers were to fail to qualify as a tax-free reorganization, then each of our shareholders generally would recognize gain or loss, as applicable, equal to the difference between (i) the sum of the fair market value of the shares of Prologis common stock and cash in lieu of any fractional share of Prologis common stock received by our shareholder in the Company Mergers; and (ii) our shareholder’s adjusted tax basis in our common shares of beneficial interest.

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

None.

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Item 3. Defaults upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

None.

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Item 6. Exhibits

2.1	Agreement and Plan of Merger, dated as of, dated as of October 27, 2019, by and among Prologis Inc., Prologis L.P., Lambda REIT Acquisition LLC, Lambda OP Acquisition LLC, Liberty Property Trust, Liberty Property Limited Partnership and Leaf Holdco Property Trust (incorporated by reference to Exhibit 2.1 to the Registrants’ Current Report on Form 8-K filed on October 28, 2019).
3.1*	Liberty Property Trust First Amended and Restated Bylaws, as amended on October 27, 2019.
10.1	Senior Officer Severance Plan, as amended and restated as of October 27, 2019 (incorporated by reference to Exhibit 10.1 to the Registrants’ Current Report on Form 8-K filed on October 28, 2019).
31.1*	Certification of the Chief Executive Officer of Liberty Property Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934.
31.2*	Certification of the Chief Financial Officer of Liberty Property Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934.
31.3*	Certification of the Chief Executive Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(a) under the Securities Exchange Act of 1934.
31.4*	Certification of the Chief Financial Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(a) under the Securities Exchange Act of 1934.
32.1**	Certification of the Chief Executive Officer of Liberty Property Trust required under Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)
32.2**	Certification of the Chief Financial Officer of Liberty Property Trust required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)
32.3**	Certification of the Chief Executive Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)
32.4**	Certification of the Chief Financial Officer of Liberty Property Trust, in its capacity as the general partner of Liberty Property Limited Partnership, required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.)
101.INS*	XBRL Instance Document.
101.SCH*	XBRL Taxonomy Extension Schema Document.
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*	XBRL Extension Labels Linkbase.
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

________________________

*    Filed herewith

**    Furnished herewith

57

58

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.

LIBERTY PROPERTY TRUST

/s/ WILLIAM P. HANKOWSKY	November 6, 2019
William P. Hankowsky	Date
Chairman of the Board of Trustees, President and Chief Executive Officer (Principal Executive Officer)
/s/ CHRISTOPHER J. PAPA	November 6, 2019
Christopher J. Papa	Date
Executive Vice President and Chief Financial Officer (Principal Financial Officer)

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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.

LIBERTY PROPERTY LIMITED PARTNERSHIP

BY:	Liberty Property Trust
	General Partner
/s/ WILLIAM P. HANKOWSKY		November 6, 2019
William P. Hankowsky		Date
Chairman of the Board of Trustees, President and Chief Executive Officer (Principal Executive Officer)
/s/ CHRISTOPHER J. PAPA		November 6, 2019
Christopher J. Papa		Date
Executive Vice President and Chief Financial Officer (Principal Financial Officer)

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EX-3.1

Exhibit 3.1

As amended October 27, 2019; May 17, 2018;

March 27, 2017; December 6, 2007; April 5, 2006

LIBERTY PROPERTY TRUST

FIRST AMENDED AND RESTATED BYLAWS

-----------------

ARTICLE I

OFFICES

Section 1. PRINCIPAL OFFICES. A principal office of the Trust shall be located within the State of Maryland at such place or places as the Trustees may designate.

Section 2. ADDITIONAL OFFICES. The Trust may have additional offices at such places within or without the State of Maryland as the Trustees may from time to time determine or the business of the Trust may require.

ARTICLE II

MEETINGS OF SHAREHOLDERS

Section 1. PLACE. All meetings of shareholders shall be held at the principal office of the Trust or at such other place within the United States as shall be stated in the notice of the meeting.

Section 2. ANNUAL MEETING. An annual meeting of the shareholders of the Trust for the election of Trustees and the transaction of any business within the powers of the Trust shall be held in each calendar year, commencing with the year 1995, at such time as the Board of Trustees may determine, or if the Board of Trustees fails to set a time, on the third Tuesday in April, if not a legal holiday, and if such day is a legal holiday, then such meeting shall be held on the next business day.

Section 3. SPECIAL MEETINGS. The chairman of the board or the president or a majority of the Trustees then in office may call special meetings of the shareholders. Special meetings of shareholders shall also be called by the secretary upon the written request of the holders of shares entitled to cast not less than 50% of all the votes entitled to be cast at the meeting. The request shall state the purpose of the meeting and the matters proposed to be acted on at the meeting. The secretary shall inform the shareholders who make the request for the special meeting of the reasonably estimated cost of preparing and mailing notice of the meeting and, upon payment to the Trust of such costs, the secretary shall give notice to each shareholder entitled to notice of the meeting. Unless requested by shareholders entitled to cast a majority of all the votes entitled to be cast at the meeting, a special meeting need not be called to consider any matter which is substantially the same as a matter voted on at any special meeting of the shareholders held during the preceding twelve months.

Section 4. NOTICE. Not less than ten nor more than 90 days before each meeting of shareholders, the secretary shall give to each shareholder entitled to vote at the meeting and to each shareholder not entitled to vote who is entitled to notice of the meeting written or printed notice stating the

time and place of the meeting and, in the case of a special meeting or as otherwise may be required by statute, the purpose for which the meeting is called, either by mail or by presenting it to the shareholder personally or by leaving it at the shareholder’s residence or usual place of business. If mailed, such notice shall be deemed to be given when deposited in the United States mail addressed to the shareholder at the shareholder’s post office address as it appears on the records of the Trust, with postage thereon prepaid.

Section 5. SCOPE OF NOTICE. Any business of the Trust may be transacted at an annual meeting of shareholders without being specifically designated in the notice, except such business as is required by statute to be stated in such notice. No business shall be transacted at a special meeting of shareholders except as specifically designated in the notice.

Section 6. QUORUM. At any meeting of shareholders, the presence in person or by proxy of shareholders entitled to cast a majority of all the votes entitled to be cast at the meeting shall constitute a quorum; but this section shall not affect any requirement under any statute or the Declaration of Trust for the vote necessary for the adoption of any measure. If, however, the quorum shall not be present at any meeting of the shareholders, the shareholders entitled to vote at the meeting, present in person or by proxy, shall have power to adjourn the meeting from time to time to a date not more than 120 days after the original record date without notice other than announcement at the meeting. At such adjourned meeting at which a quorum shall be present, any business may be transacted which might have been transacted at the meeting as originally notified.

Section 7. BOARD APPROVAL. The submission of any action to the shareholders for their consideration (other than the removal of one or more Trustees), shall first be approved by the Board of Trustees.

Section 8. VOTING.

(a)A majority of all the votes cast in an election for a Trustee at a meeting of shareholders duly called and at which a quorum is present shall be sufficient to elect a Trustee; provided, that if there are more candidates for Trustee than there are board seats to be voted upon at any such meeting, then a plurality of all the votes cast at the meeting shall be sufficient to elect a Trustee at such meeting. For purposes of this section, a majority of all the votes cast in an election for Trustee means that the number of shares voted “for” a candidate for Trustee must exceed the number of votes cast as “withheld” from that candidate.

(b)Except as set forth in Article XIV of these Bylaws, a majority of the votes cast at a meeting of shareholders duly called and at which a quorum is present shall be sufficient to approve any other matter which may properly come before the meeting, unless more than a majority of the votes cast is required by statute or by the Declaration of Trust. Unless otherwise provided in the Declaration of Trust, each outstanding share, regardless of class, shall be entitled to one vote on each matter submitted to a vote at a meeting of shareholders.

Section 9. PROXIES. A shareholder may vote shares owned of record by that shareholder, either in person or by proxy executed in writing by the shareholder or by a duly authorized attorney in fact. A proxy shall be filed with the secretary of the Trust before or at the time of the meeting. No proxy shall be valid after eleven months from the date of its execution, unless otherwise provided in the proxy.

Section 10. VOTING OF SHARES BY CERTAIN HOLDERS. Shares registered in the name of a corporation, partnership, trust or other entity, if entitled to be voted, may be voted by the president or a vice president, a general partner or trustee thereof, as the case may be, or a proxy appointed by any of the

foregoing individuals, unless some other person who has been appointed to vote such shares pursuant to a bylaw or a resolution of the board of directors of such corporation or other entity presents a certified copy of such bylaw or resolution, in which case such person may vote such shares. Any trustee or other fiduciary may vote shares registered in the name of that fiduciary, either in person or by proxy. A trustee or other fiduciary may vote, either in person or by proxy, shares registered in the name of another person on proof of the fact that legal title to the shares has devolved on that trustee or fiduciary in a fiduciary capacity and that that trustee or fiduciary is qualified to act in that capacity.

Shares of the Trust directly or indirectly owned by it shall not be voted at any meeting and shall not be counted in determining the total number of outstanding shares entitled to be voted at any given time, unless they are held by it in a fiduciary capacity, in which case they may be voted and shall be counted in determining the total number of outstanding shares at any given time.

The Trustees may adopt by resolution a procedure by which a shareholder may certify in writing to the Trust that any shares registered in the name of the shareholder are held for the account of a specified person other than the shareholder. The resolution shall set forth the class of shareholders who may make the certification, the purpose for which the certification may be made, the form of certification and the information to be contained in it; if the certification is with respect to a record date or closing of the share transfer books, the time after the record date or closing of the share transfer books within which the certification must be received by the Trust; and any other provisions with respect to the procedure which the Trustees considers necessary or desirable. On receipt of such certification, the person specified in the certification shall be regarded, for the purposes set forth in the certification, as the shareholder of record of the specified shares in place of the shareholder who makes the certification.

Notwithstanding any other provision of the Declaration of Trust or these Bylaws, Title 3, Subtitle 7 of the Corporations and Associations Article of the Annotated Code of Maryland (or any successor statute) shall not apply to any acquisition by any Rouse Affiliate (as defined in the Declaration of Trust).

Section 11. INSPECTORS. In advance of any meeting of the shareholders of the Trust, the Trustees may appoint, or at any meeting of shareholders, the chairman of the meeting may, or upon the request of any shareholder shall, appoint one or more persons, who need not be shareholders, as inspectors for such meeting. The inspectors shall ascertain and report the number of shares represented at the meeting based upon their determination of the validity and effect of proxies, count all votes, report the results and perform such other acts as are proper to conduct the election and voting with impartiality and fairness to all the shareholders. A person who is a candidate for office to be filled at the meeting shall not act as an inspector at the same meeting.

Each report of an inspector shall be in writing and signed by the inspector or by a majority of them if there is more than one inspector acting at the meeting. If there is more than one inspector, the report of a majority shall be the report of the inspectors. The report of the inspector or inspectors on the number of shares represented at the meeting and the results of the voting shall be prima facie evidence thereof.

Section 12. REPORTS TO SHAREHOLDERS.

(a)Annual Statements. Not later than 90 days after the close of each fiscal year of the Trust, the Trustees shall deliver or cause to be delivered a report of the business and operations of the Trust during such fiscal year to the shareholders, containing a balance sheet and a statement of income and surplus of the Trust, accompanied by the certification of an independent certified public accountant, and such further information as the Trustees may determine is required pursuant to any law or regulation to which the Trust is subject. A signed copy of the annual report and the accountant’s certificate shall be

filed by the Trustees with the State Department of Assessments and Taxation of Maryland, and with such other governmental agencies as may be required by law and as the Trustees may deem appropriate.

(b)Quarterly Statements. Not later than 45 days after the end of each of the first three quarterly periods of each fiscal year, the Trustees shall deliver or cause to be delivered an interim report to the shareholders containing unaudited financial statements for such quarter and for the period from the beginning of the fiscal year to the end of such quarter, and such further information as the Trustees may determine is required pursuant to any law or regulation to which the Trust is subject.

(c)Compliance with Exchange Act. Notwithstanding anything in Paragraphs (a) or (b) of this 0 to the contrary, compliance by the Trust with the reporting requirements of 0 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), shall be deemed compliance by the Trust with the preparation and delivery to shareholders of reports required by this 0.

Section 13. NOMINATIONS AND SHAREHOLDER BUSINESS.

(a)Annual Meetings of Shareholders.

(1)Nominations of persons for election to the Board of Trustees and the proposal of business to be considered by the shareholders may be made at an annual meeting of shareholders (i) pursuant to the Trust’s notice of meeting, (ii) by or at the direction of the Trustees or (iii) by any shareholder of the Trust who was a shareholder of record at the time of giving of notice provided for in this Section 13(a), who is entitled to vote at the meeting and who has complied with the notice procedures set forth in this 0(a).

(2)For nominations or other business to be properly brought before an annual meeting by a shareholder pursuant to clause (iii) of Paragraph (a)(1) of this Section 13, the shareholder must have given timely notice thereof in writing to the secretary of the Trust. To be timely, a shareholder’s notice shall be delivered to the secretary at the principal executive offices of the Trust not less than 60 days nor more than 90 days prior to the first anniversary of the preceding year’s annual meeting; provided, however, that in the event that the date of the annual meeting is advanced by more than 30 days or delayed by more than 60 days from such anniversary date, notice by the shareholder to be timely must be so delivered not earlier than the 90th day prior to such annual meeting and not later than the close of business on the later of the 60th day prior to such annual meeting or the tenth day following the day on which public announcement of the date of such meeting is first made. The shareholder’s notice shall set forth (i) as to each person whom the shareholder proposes to nominate for election or reelection as a Trustee, all information relating to such person that is required to be disclosed in solicitations of proxies for election of Trustees, or is otherwise required, in each case pursuant to Regulation 14A under the Exchange Act (including such person’s written consent to being named in the proxy statement as a nominee and to serving as a Trustee if elected); (ii) as to any other business that the shareholder proposes to bring before the meeting, a brief description of the business desired to be brought before the meeting, the reasons for conducting such business at the meeting and any material interest in such business of the shareholder and of the beneficial owner, if any, on whose behalf the proposal is made; and (iii) as to the shareholder giving the notice and the beneficial owner, if any, on whose behalf the nomination or proposal is made, (x) the name and address of such shareholder, as they appear on the Trust’s books, and of such beneficial owner and (y) the class and number of shares of the Trust which are owned beneficially and of record by such shareholder and such beneficial owner.

(3) Notwithstanding anything in the second sentence of Paragraph (a)(2) of this 0 to the contrary, in the event that the number of Trustees to be elected to the Board of Trustees is increased and

there is no public announcement naming all of the nominees for Trustee or specifying the size of the increased Board of Trustees made by the Trust at least 70 days prior to the first anniversary of the preceding year’s annual meeting, a shareholder’s notice required by this 0(a) shall also be considered timely, but only with respect to nominees for any new positions created by such increase, if it shall be delivered to the secretary at the principal executive offices of the Trust not later than the close of business on the tenth day following the day on which such public announcement is first made by the Trust.

(b)Special Meetings of Shareholders. Only such business shall be conducted at a special meeting of shareholders as shall have been brought before the meeting pursuant to the Trust’s notice of meeting. Nominations of persons for election to the Board of Trustees may be made at a special meeting of shareholders at which Trustees are to be elected pursuant to the Trust’s notice of meeting (i) by or at the direction of the Board of Trustees or (ii) provided that the Board of Trustees has determined that Trustees shall be elected at such special meeting, by any shareholder of the Trust who is a shareholder of record at the time of giving of notice provided for in this 0(b), who is entitled to vote at the meeting and who has complied with the notice procedures set forth in this 0(b). In the event the Trust calls a special meeting of shareholders for the purpose of electing one or more Trustees to the Board of Trustees, any such shareholder may nominate a person or persons (as the case may be) for election to such position as specified in the Trust’s notice of meeting, if the shareholder’s notice required by paragraph (a)(2) of this 0 shall be delivered to the secretary at the principal executive offices of the Trust not earlier than the 90th day prior to such special meeting and not later than the close of business on the later of the 60th day prior to such special meeting or the tenth day following the day on which public announcement is first made of the date of the special meeting and of the nominees proposed by the Trustees to be elected at such meeting.

(c)General.

(1)Only persons who are nominated in accordance with the procedures set forth in this Section 13 shall be eligible to serve as Trustees and only such business shall be conducted at a meeting of shareholders as shall have been brought before the meeting in accordance with the procedures set forth in this 0. The presiding officer of the meeting shall have the power and duty to determine whether a nomination or any business proposed to be brought before the meeting was made in accordance with the procedures set forth in this Section 13 and, if any proposed nomination or business is not in compliance with this Section 13 to declare that such defective nomination or proposal be disregarded.

(2)For purposes of this Section 13, “public announcement” shall mean disclosure in a press release reported by the Dow Jones News Service, Associated Press or comparable news service or in a document publicly filed by the Trust with the Securities and Exchange Commission pursuant to Section 13, 14 or 15(d) of the Exchange Act.

(3)Notwithstanding the foregoing provisions of this 0, a shareholder shall also comply with all applicable requirements of state law and of the Exchange Act and the rules and regulations thereunder with respect to the matters set forth in this Section 13. Nothing in this Section 13 shall be deemed to affect any rights of shareholders to request inclusion of proposals in the Trust’s proxy statement pursuant to Rule 14a-8 under the Exchange Act.

Section 14. INFORMAL ACTION BY SHAREHOLDERS. Any action required or permitted to be taken at a meeting of shareholders may be taken without a meeting if a consent in writing, setting forth such action, is signed by each shareholder entitled to vote on the matter and any other shareholder entitled to notice of a meeting of shareholders (but not to vote thereat) has waived in writing any right to dissent

from such action, and such consent and waiver are filed with the minutes of proceedings of the shareholders.

Section 15. VOTING BY BALLOT. Voting on any question or in any election may be via voce unless the presiding officer shall order or any shareholder shall demand that voting be by ballot.

ARTICLE III

TRUSTEES

Section 1. GENERAL POWERS; QUALIFICATIONS. The business and affairs of the Trust shall be managed under the direction of its Board of Trustees. A Trustee shall be an individual at least 18 years of age who is not under legal disability.

Section 2. ANNUAL AND REGULAR MEETINGS. An annual meeting of the Trustees shall be held immediately after and at the same place as the annual meeting of shareholders, no notice other than this Bylaw being necessary. The Trustees may provide, by resolution, the time and place, either within or without the State of Maryland, for the holding of regular meetings of the Trustees without other notice than such resolution.

Section 3. SPECIAL MEETINGS. Special meetings of the Trustees may be called by or at the request of the chairman of the board or the president or by a majority of the Trustees then in office. The person or persons authorized to call special meetings of the Trustees may fix any place, either within or without the State of Maryland, as the place for holding any special meeting of the Trustees called by them.

Section 4. NOTICE. Notice of any special meeting shall be given by written notice delivered personally, telegraphed, telecopied or mailed to each Trustee at the Trustee’s business or residence address. Personally delivered, telegraphed or telecopied notices shall be given at least two days prior to the meeting. Notice by mail shall be given at least five days prior to the meeting. If mailed, the notice shall be deemed to be given when deposited in the United States mail properly addressed, with postage thereon prepaid. If given by telegram, the notice shall be deemed to be given when the telegram is delivered to the telegraph company. If given by telecopy, the notice shall be deemed to be given upon receipt by the sender of a confirmation of transmission. Neither the business to be transacted at, nor the purpose of, any annual, regular or special meeting of the Trustees need be stated in the notice, unless specifically required by statute or these Bylaws.

Section 5. QUORUM. A majority of the Trustees shall constitute a quorum for transaction of business at any meeting of the Trustees, provided that, if less than a majority of the Trustees are present at the meeting, a majority of the Trustees present may adjourn the meeting from time to time without further notice.

The Trustees present at a meeting which has been duly called and convened may continue to transact business until adjournment, notwithstanding the withdrawal of enough Trustees to leave less than a quorum.

Section 6. VOTING. The action of the majority of the Trustees present at a meeting at which a quorum is present shall be the action of the Trustees, unless the concurrence of a greater proportion is required for such action by applicable statute or by the Declaration of Trust.

Section 7. TELEPHONE MEETINGS. Trustees may participate in a meeting by means of a conference telephone or similar communications equipment if all persons participating in the meeting can hear each other at the same time. Participation in a meeting by these means shall constitute presence in person at the meeting.

Section 8. INFORMAL ACTION BY TRUSTEES. Any action required or permitted to be taken at any meeting of the Trustees may be taken without a meeting, if a consent in writing to such action is signed by each Trustee and the written consent is filed with the minutes of proceedings of the Trustees.

Section 9. VACANCIES. If for any reason any or all the Trustees cease to be Trustees, such event shall not terminate the Trust or affect these Bylaws or the powers of the remaining Trustees hereunder (even if fewer than three Trustees remain). Any vacancy (other than a vacancy created by an increase in the number of Trustees) may be filled by a majority of the remaining Trustees, whether or not sufficient to constitute a quorum. Any vacancy created by an increase in the number of Trustees shall be filled, at any regular meeting or at any special meeting called for that purpose, by a majority of the Trustees. Any individual so elected as Trustee shall hold office for the unexpired term of the Trustee he is replacing.

Section 10. COMPENSATION. Trustees shall not receive any stated salary for their services as Trustees but, by resolution of the Trustees, may be paid fixed sums per year and/or per meeting and/or a fixed number of shares of beneficial interest per year and/or per meeting. Expenses of attendance, if any, may be allowed to Trustees for attendance at each annual, regular or special meeting of the Trustees or of any committee thereof; but nothing herein contained shall be construed (i) to preclude any Trustees from serving the Trust in any other capacity and receiving compensation therefor or (ii) from participating in any stock option plan.

Section 11. REMOVAL OF TRUSTEES. The shareholders may, at any time, remove any Trustee in the manner provided in the Declaration of Trust.

Section 12. LOSS OF DEPOSITS. No Trustee shall be liable for any loss which may occur by reason of the failure of the bank, trust company, savings and loan association, or other institution with whom moneys or shares have been deposited.

Section 13. SURETY BONDS. Unless required by law, no Trustee shall be obligated to give any bond or surety or other security for the performance of any of his duties.

Section 14. RELIANCE. Each Trustee, officer, employee and agent of the Trust, in the performance of his duties with respect to the Trust, shall be fully justified and protected with regard to any act or failure to act in reliance in good faith upon any information, opinion, report, or statement, including any financial statement or other financial data, prepared or presented by: (1) an officer or employee of the Trust whom the Trustee reasonably believes to be reliable and competent in the matters presented; (ii) a lawyer, certified public accountant, or other person, as to a matter which the Trustee reasonably believes to be within the person’s professional or expert competence; or (iii) a committee of the board on which the Trustee does not serve, as to a matter within its designated authority, if the Trustee reasonably believes the committee to merit confidence.

Section 15. CERTAIN RIGHTS OF TRUSTEES, OFFICERS, EMPLOYEES AND AGENTS. The Trustees shall have no responsibility to devote their full time to the affairs of the Trust. Any Trustee or officer, employee or agent of the Trust, in a personal capacity or in a capacity as an affiliate, employee, or agent of any other person, or otherwise, may have business interests and engage in business activities similar to or in addition to those of or relating to the Trust.

Section 16. TRANSACTIONS BETWEEN THE TRUST AND ITS TRUSTEES, OFFICERS, EMPLOYEES AND AGENTS. In addition to any procedures contained in the Declaration of Trust, no agreement or transaction between the Trust and any Trustee, officer, employee or agent of the Trust, or any other person, corporation, association, company, trust, partnership (limited or general) or other organization or entity in which any trustee, officer, employee or agent of the Trust has a material financial interest, shall be invalidated or rendered void or voidable solely by reason of the existence of such relationship if such agreement or transaction would have been valid if the Trust were a Maryland corporation under any of the procedures set forth in Section 2-419 of the Maryland General Corporation Law (“MGCL”), as amended from time to time. The Trust and any Trustee, officer, employee or agent of the Trust shall be entitled to assert any defense and to the benefit of any provisions, set forth in Section 2-419 of the MGCL, as that Section is amended from time, including any shifts in the burden of proof, as if the Trust were a Maryland corporation, the Trustees were directors of a Maryland corporation and the officers, employees and agents of the Trust were officers, employees or agents of a Maryland corporation.

ARTICLE IV

COMMITTEES

Section 1. NUMBER, TENURE AND QUALIFICATIONS. The Trustees may appoint from among its members an Executive Committee, an Audit Committee, a Compensation Committee, a Nominating Committee and other committees, composed of one or more Trustees, to serve at the pleasure of the Trustees. Each of the Audit Committee and the Compensation Committee shall consist of at least two Trustees, with the Trustees who are not executive officers or employees of the Trust constituting a majority of the members of each such committee.

Section 2. POWERS; COMMITTEE ACTION. The Trustees may delegate to committees appointed under Section 1 of this Article any of the powers of the Trustees, except as prohibited by law.

Section 3. TELEPHONE MEETINGS. Members of a committee of the Trustees may participate in a meeting by means of a conference telephone or similar communications equipment if all persons participating in the meeting can hear each other at the same time. Participation in a meeting by these means shall constitute presence in person at the meeting.

Section 4. INFORMAL ACTION BY COMMITTEES. Any action required or permitted to be taken at any meeting of a committee of the Trustees may be taken without a meeting, if a consent in writing to such action is signed by each member of the committee and such written consent is filed with the minutes of proceedings of such committee.

ARTICLE V

OFFICERS

Section 1. GENERAL PROVISIONS. The officers of the Trust shall consist of a president, a secretary and a treasurer and may consist of a chairman of the board, a vice chairman of the board, one or more vice presidents, one or more assistant treasurers, and one or more assistant secretaries. In addition, the Trustees may from time to time appoint such other officers with such powers and duties as they shall deem necessary or desirable. The officers of the Trust shall be elected annually by the Trustees at the first meeting of the Trustees held after each annual meeting of shareholders. If the election of officers shall not be held at such meeting, the election shall be held as soon thereafter as may be convenient. Each officer

shall hold office until the officer’s successor is elected and qualifies or until the officer’s death, resignation or removal in the manner hereinafter provided. Any two or more offices except president and vice president may be held by the same person. In their discretion, the Trustees may leave unfilled any office except that of president, treasurer, and secretary. Election of an officer or agent shall not of itself create contract rights between the Trust and that officer or agent.

Section 2. REMOVAL AND RESIGNATION. Any officer or agent of the Trust may be removed by the Trustees if in their judgment the best interests of the Trust would be served thereby, but such removal shall be without prejudice to the contract rights, if any, of the person so removed. Any officer of the Trust may resign at any time by giving written notice of the resignation to the Trustees, the chairman of the board, the president or the secretary. Any resignation shall take effect at any time subsequent to the time specified therein or, if the time when it shall become effective is not specified therein, immediately upon its receipt. The acceptance of a resignation shall not be necessary to make it effective unless otherwise stated in the resignation.

Section 3. VACANCIES. A vacancy in any office may be filled by the Trustees for the balance of the term.

Section 4. CHIEF EXECUTIVE OFFICER. The Board of Trustees may designate a chief executive officer. The chief executive officer shall have responsibility for implementing the policies of the Trust, as determined by the Board of Trustees, and for administering the Trust’s business and affairs.

Section 5. CHIEF OPERATING OFFICER. The Board of Trustees may designate a chief operating officer. That officer will have the responsibility and duties as set forth by the Board of Trustees or the chief executive officer.

Section 6. CHIEF FINANCIAL OFFICER. The Board of Trustees may designate a chief financial officer. That officer will have the responsibility and duties as set forth by the Board of Trustees or the chief executive officer.

Section 7. CHAIRMAN AND VICE CHAIRMAN OF THE BOARD. The chairman of the board shall preside over the meetings of the Board of Trustees and of the stockholders. In the absence of the chairman of the board, the vice chairman of the board shall preside at those meetings. The chairman of the board and the vice chairman of the board shall, respectively, perform all other duties assigned by the Board of Trustees.

Section 8. PRESIDENT. The president shall in general supervise and control all of the business and affairs of the Trust. Unless the president is not a member of the Board of Trustees, in the absence of both the chairman and vice chairman of the board, the president shall preside at all meetings of the Board of Trustees and of the stockholders. If a chief executive officer has not been designated by the Board of Trustees, the president shall be the chief executive officer. The president may execute any deed, mortgage, bond, contract or other instrument which the Board of Trustees has authorized to be executed, except in cases where execution shall be expressly delegated by the Board of Trustees or by these bylaws to some other officer or agent of the Trust or shall be required by law to be otherwise executed; and in general shall perform all duties incident to the office of president and any other duties prescribed by the Board of Trustees from time to time.

Section 9. VICE PRESIDENTS. In the absence of the president or in the event of a vacancy in that office, the vice president (or if there is more than one vice president, the vice presidents in the order designated at the time of their election or, in the absence of any designation, then in the order of their

election) shall perform the duties of the president and when so acting shall have all the powers of and be subject to all the restrictions upon the president; and shall perform all other duties assigned from time to time by the president or by the Board of Trustees. The Board of Trustees may designate one or more vice presidents as executive vice president, senior vice president, or vice president for particular areas of responsibility.

Section 10. SECRETARY. The secretary shall (a) keep the minutes of the proceedings of the stockholders, the Board of Trustees and committees of the Board of Trustees in one or more books provided for that purpose; (b) see that all notices are duly given in accordance with the provisions of these bylaws or as required by law; (c) be custodian of the Trust’s records and of the seal of the Trust; (d) keep a register of the post office address, telephone number and facsimile number of each stockholder, which shall be furnished to the secretary by the stockholder; (e) have general charge of the stock transfer books of the Trust; and (f) in general perform all other duties assigned from time to time by the president or by the Board of Trustees.

Section 11. TREASURER. The treasurer shall have the custody of the Trust’s funds and securities and shall keep full and accurate accounts of receipts and disbursements in books belonging to the Trust and shall deposit all moneys and other valuable effects in the name and to the credit of the Trust in those depositories designated by the Board of Trustees. Unless the Board of Trustees provides otherwise, the treasurer shall be the chief financial officer if the Board of Trustees designates a chief financial officer position.

The treasurer shall disburse the funds of the Trust as may be ordered by the Board of Trustees, taking proper vouchers for the disbursements, and shall render to the president and Board of Trustees, at the regular meetings of the Board of Trustees or whenever they may require it, an account of all transactions as treasurer and of the financial condition of the Trust.

If required by the Board of Trustees, the treasurer shall give the Trust a bond in an amount and with a surety or sureties which are satisfactory to the Board of Trustees for the faithful performance of the duties of this office and for the restoration to the Trust, in case of the treasurer’s death, resignation, retirement or removal from office, of all books, papers, vouchers, moneys and other property of whatever kind in the treasurer’s possession or control belonging to the Trust.

Section 12. ASSISTANT SECRETARIES AND ASSISTANT TREASURERS. The assistant secretaries and assistant treasurers, in general, shall perform the duties assigned to them by the secretary or treasurer, respectively, or by the president or the Board of Trustees. The assistant treasurers shall, if required by the Board of Trustees, give bonds for the faithful performance of their duties in amounts and with a surety or sureties which are satisfactory to the Board of Trustees.

Section 13. DELEGATION OF OFFICE. The Board of Trustees may delegate the powers or duties of any officer of the Trust to any other person from time to time.

Section 14. SALARIES. The salaries of the officers shall be fixed from time to time by the Trustees and no officer shall be prevented from receiving such salary by reason of the fact that that officer is also a Trustee.

ARTICLE VI

CONTRACTS, LOANS, CHECKS AND DEPOSITS

Section 1. CONTRACTS. The Trustees may authorize any officer or agent to enter into any contract or to execute and deliver any instrument in the name of and on behalf of the Trust and such authority may be general or confined to specific instances. Any agreement, deed, mortgage, lease or other document executed by one or more of the Trustees or by an authorized person shall be valid and binding upon the Trustees and upon the Trust when authorized or ratified by action of the Trustees.

Section 2. CHECKS AND DRAFTS. All checks, drafts or other orders for the payment of money, notes or other evidences of indebtedness issued in the name of the Trust shall be signed by such officer or officers, agent or agents of the Trust and in such manner as shall from time to time be determined by the Trustees.

Section 3. DEPOSITS. All funds of the Trust not otherwise employed shall be deposited from time to time to the credit of the Trust in such banks, trust companies or other depositories as the Trustees may designate.

ARTICLE VII

SHARES

Section 1. CERTIFICATES. The Trust’s shares of beneficial interest may be certificated or uncertificated, as provided under Maryland law, and this Section 1 of this Article VII shall not be interpreted to limit the authority of the Trustees to issue some or all of the shares of beneficial interest of any or all of the Trust’s classes or series without certificates. Each shareholder, upon written request to the secretary of the Trust, shall be entitled to a certificate or certificates which shall represent and certify the number of shares of each class of beneficial interests held by the shareholder in the Trust. Each certificate shall be signed by the president or a vice president and countersigned by the secretary or an assistant secretary or the treasurer or an assistant treasurer and may be sealed with the seal, if any, of the Trust. The signatures may be either manual or facsimile. Certificates shall be consecutively numbered; and if the Trust shall, from time to time, issue several classes of shares, each class may have its own series number. A certificate is valid and may be issued whether or not an officer who signed it is still an officer when it is issued so long as that officer was the proper officer at the time the officer signed the certificate. Each certificate representing shares which are restricted as to their transferability or voting powers, which are preferred or limited as to their dividends or as to their allocable portion of the assets upon liquidation or which are redeemable at the option of the Trust, shall have a statement of such restriction, limitation, preference or redemption provision, or a summary thereof, plainly stated on the certificate. In lieu of such statement or summary, the Trust may set forth upon the face or back of the certificate a statement that the Trust will furnish to any shareholder, upon request and without charge, a full statement of such information.

Section 2. TRANSFERS. Certificates shall be treated as negotiable and title thereto and to the shares they represent shall be transferred by delivery thereof to the same extent as those of a Maryland stock corporation; provided, that in the case of shares that are not represented by a certificate, no delivery of a certificate shall be required and transfers shall be made on the books of the Trust only by the record holder of such shares or by an attorney lawfully constituted in writing. Upon surrender to the Trust or the transfer agent of the Trust of a share certificate duly endorsed or accompanied by proper evidence of succession, assignment or authority to transfer, the Trust shall issue a new certificate to the person entitled thereto, cancel the old certificate and record the transaction upon its books.

The Trust shall be entitled to treat the holder of record of any share or shares as the holder in fact thereof and, accordingly, shall not be bound to recognize any equitable or other claim to or interest in the

share or shares on the part of any other person, whether or not it shall have express or other notice thereof, except as otherwise provided by the laws of the State of Maryland.

Notwithstanding the foregoing, transfer of shares of any class of stock shall be subject in all respects to the provisions of Article VII of the Declaration of Trust.

Section 3. LOST CERTIFICATE. The Trustees may direct a new certificate to be issued in place of any certificate previously issued by the Trust alleged to have been lost, stolen or destroyed upon the making of an affidavit of that fact by the person claiming the certificate to be lost, stolen or destroyed. When authorizing the issuance of a new certificate, the Trustees may, in their discretion and as a condition precedent to the issuance thereof, require the owner of the lost, stolen or destroyed certificate or his legal representative to advertise the same in such manner as they shall require and/or to give bond, with sufficient surety, to the Trust to indemnify it against any loss or claim which may arise as a result of the issuance of a new certificate, and to satisfy such other requirements as may be imposed by the Trust.

Section 4. CLOSING OF TRANSFER BOOKS OR FIXING OF RECORD DATE. The Trustees may set, in advance, a record date for the purpose of determining shareholders entitled to notice of or to vote at any meeting of shareholders, or shareholders entitled to receive payment of any dividend or the allotment of any other rights, or in order to make a determination of shareholders for any other proper purpose. The date, in any case, shall not be prior to the close of business on the day the record date is fixed and shall be not more than 90 days and, in the case of a meeting of shareholders not less than ten days, before the date on which the meeting or particular action requiring the determination of shareholders is to be held or taken. Notwithstanding the establishment by the Trustees of a record date for determining shareholders entitled to notice of or to vote at any meeting of shareholders, the Trustees may change the record date to another date and may vest in one or more officers of the Trust the authority to change the record date to another date, which other date may be such other date as the Trustees, or the officer or officers in whom such authority is vested, shall determine in their sole discretion.

In lieu of fixing a record date, the Trustees may provide that the share transfer books shall be closed for a stated period but not longer than 20 days. If the share transfer books are closed for the purpose of determining shareholders entitled to notice of or to vote at a meeting of shareholders, the books shall be closed for at least ten days before the date of the meeting.

If no record date is fixed and the share transfer books are not closed for the determination of shareholders, (a) the record date for the determination of shareholders entitled to notice of or to vote at a meeting of shareholders shall be at the close of business on the day on which the notice of meeting is mailed or the 30th day before the meeting, whichever is the closer date to the meeting; and (b) the record date for the determination of shareholders entitled to receive payment of a dividend or an allotment of any other rights shall be the close of business on the day on which the resolution of the Trustees, declaring the dividend or allotment of rights, is adopted.

When a determination of shareholders entitled to vote at any meeting of shareholders has been made as provided in this section, then if the meeting is convened, such determination shall apply to any adjournment thereof, except where the determination has been made through the closing of the transfer books and the stated period of closing has expired.

Section 5. SHARE LEDGER. The Trust shall maintain at its principal office or at the office of its counsel, accountants or transfer agent, an original or duplicate share ledger containing the name and address of each shareholder and the number of shares of each class held by such shareholder.

Section 6. FRACTIONAL SHARES; ISSUANCE OF UNITS. The Trustees may issue fractional shares or provide for the issuance of scrip, all on such terms and under such conditions as they may determine. Notwithstanding any other provision of the Declaration of Trust or these Bylaws, the Trustees may issue units consisting of different securities of the Trust. Any security issued in a unit shall have the same characteristics as any identical securities issued by the Trust, except that the Trustees may provide that for a specified period securities of the Trust issued in such unit may be transferred on the books of the Trust only in such unit.

ARTICLE VIII

FISCAL YEAR

The Trustees shall have the power, from time to time, to fix the fiscal year of the Trust by a duly adopted resolution.

ARTICLE IX

DIVIDENDS

Section 1. DECLARATION. Dividends upon the shares of the Trust may be declared by the Trustees, subject to the provisions of law and the Declaration of Trust. Dividends may be paid in cash, property or shares of the Trust, subject to the provisions of law and the Declaration of Trust.

Section 2. CONTINGENCIES. Before payment of any dividends, there may be set aside out of any funds of the Trust available for dividends such sum or sums as the Trustees may from time to time, in its absolute discretion, think proper as a reserve fund for contingencies, for equalizing dividends, for repairing or maintaining any property of the Trust or for such other purpose as the Trustees shall determine to be in the best interest of the Trust, and the Trustees may modify or abolish any such reserve in the manner in which it was created.

ARTICLE X

PROHIBITED INVESTMENTS AND ACTIVITIES

The Trust shall not make any acquisition which the Trustees do not believe is in the best interests of the Trust, and will not, without the approval of a majority of the disinterested Trustees even if the disinterested Trustees constitute less than a quorum, (i) acquire from or sell to any Trustee, officer or employee of the Trust, any corporation, partnership, joint venture, trust, employee benefit plan or other enterprise in which a Trustee, officer or employee of the Trust owns more than a one percent interest or any affiliate of any of the foregoing, any of the assets or other property of the Trust, except for the acquisition of certain properties in connection with the initial public offering of shares by the Trust, which properties shall be described in the prospectus relating to such initial public offering, or (ii) make any loan to or borrow from any of the foregoing persons. Each such transaction will be in all respects on such terms as are, at the time of the transaction and under the circumstances then prevailing, fair and reasonable to the Trust, and prior to any action in respect thereof, the nature of the common trusteeship or interest shall be disclosed or known by the Board of Trustees. The Trust shall not engage in any other transaction with any Trustee, officer or employee of the Trust or any corporation, partnership, joint venture, trust, employee benefit plan or other organization or entity in which a Trustee, officer or employee owns more than one percent interest or any affiliate of any of the foregoing unless the Trust shall have complied with one or more of the procedures of Section 2-419 of the MGCL as amended from

time to time, as if the Trust were a Maryland corporation and the Trustees, officers and employees of the Trust were directors, officers or employees of a Maryland corporation.

ARTICLE XI

SEAL

Section 1. SEAL. The Trustees may authorize the adoption of a seal by the Trust. The seal shall have inscribed thereon the name of the Trust and the year of its organization. The Trustees may authorize one or more duplicate seals and provide for the custody thereof.

Section 2. AFFIXING SEAL. Whenever the Trust is required to place its seal to a document, it shall be sufficient to meet the requirements of any law, rule or regulation relating to a seal to place the word “(SEAL)” adjacent to the signature of the person authorized to execute the document on behalf of the Trust.

ARTICLE XII

INDEMNIFICATION

To the maximum extent permitted by Maryland law in effect from time to time, the Trust, without requiring a preliminary determination of the ultimate entitlement to indemnification, shall indemnify (a) any Trustee, officer or shareholder or any former Trustee, officer or shareholder (including among the foregoing, for all purposes of this Article XII and without limitation, any individual who, while a Trustee, officer or shareholder and at the request of the Trust, serves or has served another corporation, partnership, joint venture, trust, employee benefit plan or any other enterprise as a director, officer, partner or trustee of such corporation, partnership, joint venture, trust, employee benefit plan or other enterprise), who has been successful, on the merits or otherwise, in the defense of a proceeding to which he was made a party by reason of such status, against reasonable expenses incurred by him in connection with the proceeding, (b) any Trustee or officer or any former Trustee or officer against any claim or liability to which he may become subject by reason of such status unless it is established that (i) his act or omission was committed in bad faith or was the result of active and deliberate dishonesty, (ii) he actually received an improper personal benefit in money, property or services, (iii) in the case of a criminal proceeding, he had reasonable cause to believe that his act or omission was unlawful and (c) each shareholder or former shareholder against any claim or liability to which he may become subject by reason of his status as a shareholder or former shareholder.

In addition, the Trust shall pay or reimburse, in advance of final disposition of a proceeding, reasonable expenses incurred by a Trustee, officer or shareholder or former Trustee, officer or shareholder made a party to a proceeding by reason of his status as a Trustee, officer or shareholder provided that, in the case of a Trustee or officer, the Trust shall have received (i) a written affirmation by the Trustee or officer of his good faith belief that he has met the applicable standard of conduct necessary for indemnification by the Trust as authorized by these Bylaws and (ii) a written undertaking by or on his behalf to repay the amount paid or reimbursed by the Trust if it shall ultimately be determined that the applicable standard of conduct was not met. The Trust may, with the approval of its Trustees, provide such indemnification and payment or reimbursement of expenses to any Trustee, officer or shareholder or any former Trustee, officer or shareholder who served a predecessor of the Trust and to any employee or agent of the Trust or a predecessor of the Trust.

Neither the amendment nor repeal of this Section, nor the adoption or amendment of any other provision of the Declaration of Trust or these Bylaws inconsistent with this Section, shall apply to or affect in any respect the applicability of this paragraph with respect to any act or failure to act which occurred prior to that amendment, repeal or adoption.

Any indemnification or payment or reimbursement of the expenses permitted by these Bylaws shall be furnished in accordance with the procedures provided for indemnification and payment or reimbursement of expenses under Section 2-418 of the MGCL for directors of Maryland corporations. The Trust may provide to Trustees, officers and shareholders such other and further indemnification or payment or reimbursement of expenses as may be permitted by the MGCL, as in effect from time to time, for directors of Maryland corporations.

ARTICLE XIII

WAIVER OF NOTICE

Whenever any notice is required to be given pursuant to the Declaration of Trust or Bylaws or pursuant to applicable law, a waiver thereof in writing, signed by the person or persons entitled to the notice, whether before or after the time stated therein, shall be deemed equivalent to the giving of the notice. Neither the business to be transacted at nor the purpose of any meeting need be set forth in the waiver of notice, unless specifically required by statute. The attendance of any person at any meeting shall constitute a waiver of notice of the meeting, except where the person attends the meeting for the express purpose of objecting to the transaction of any business on the ground that the meeting is not lawfully called or convened.

ARTICLE XIV

AMENDMENT OF BYLAWS

The Trustees shall have the power to alter, amend or repeal any provision of these Bylaws and to make new Bylaws. In addition, the shareholders shall have the power, by the affirmative vote of a majority of all the votes outstanding and entitled to be cast on the matter, to alter, amend or repeal any provision of these Bylaws and to make new Bylaws; provided, however, that the shareholders shall not have the power to alter, amend or repeal Article XII or this Article XIV or adopt any new provision of these Bylaws inconsistent with Article XII or this Article XIV without the approval of the Board of Trustees.

ARTICLE XV

EXEMPTION FROM CONTROL SHARE ACQUISITION ACT

Notwithstanding any other provision of the Declaration of Trust or these Bylaws, the provisions of the Maryland Control Share Acquisition Act (Section 3-701 et seq. of the Maryland General Corporation Law) (or any successor statute) shall not apply to any acquisition by any person or entity of any shares of beneficial interest of the Company pursuant to or in connection with the transactions contemplated by (i) that certain Agreement and Plan of Merger by and among the Trust, Leaf Holdco Property Trust, a Maryland real estate investment trust and wholly owned subsidiary of the Trust, Liberty Property Limited Partnership, a Pennsylvania limited partnership, Prologis, Inc., a Maryland corporation, Lambda REIT Acquisition LLC, a Maryland limited liability company and wholly owned subsidiary of Prologis, Prologis, L.P., a Delaware limited partnership and Lambda OP Acquisition LLC, a Delaware limited liability company and wholly owned subsidiary of Prologis OP. This Article XV may be repealed, in

whole or in part, at any time, whether before or after an acquisition of Control Shares (as defined in Section 3-701(d) of the Maryland General Corporation Law, or any successor provision).

***********************

The foregoing are certified as the First Amended and Restated Bylaws of the Trust adopted by the Trustees on May 17, 2000, as amended on April 5, 2006, December 6, 2007, March 27, 2017, May 17, 2018 and October 27, 2019.

Herman C. Fala, Secretary

EX-31.1

Exhibit 31.1

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, William P. Hankowsky, certify that:

1. I have reviewed this Form 10-Q of Liberty Property Trust;

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,

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 6, 2019	By: /s/ WILLIAM P. HANKOWSKY
		William P. Hankowsky
		Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, Christopher J. Papa, certify that:

1. I have reviewed this Form 10-Q of Liberty Property Trust;

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,

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 6, 2019	By: /s/ CHRISTOPHER J. PAPA
		Christopher J. Papa
		Executive Vice President and Chief Financial Officer

EX-31.3

Exhibit 31.3

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, William P. Hankowsky, certify that:

1. I have reviewed this Form 10-Q of Liberty Property 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,

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 6, 2019	By: /s/ WILLIAM P. HANKOWSKY
		William P. Hankowsky
		Chairman, President and Chief Executive Officer of
		Liberty Property Trust, the Registrant’s sole general partner

EX-31.4

Exhibit 31.4

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, Christopher J. Papa, certify that:

1. I have reviewed this Form 10-Q of Liberty Property 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,

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 6, 2019	By: /s/ CHRISTOPHER J. PAPA
		Christopher J. Papa
		Executive Vice President and Chief Financial Officer of Liberty Property Trust, the Registrant’s sole general partner

EX-32.1

Exhibit 32.1

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report of Liberty Property Trust (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, WILLIAM P. HANKOWSKY, President and Chief Executive Officer of the Company, certify in connection with Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, that based on my knowledge:

(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 result of operations of the Company.

/s/ WILLIAM P. HANKOWSKY
William P. Hankowsky
Chairman, President and Chief Executive Officer
Date:	November 6, 2019

EX-32.2

Exhibit 32.2

LIBERTY PROPERTY TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report of Liberty Property Trust (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2019, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, CHRISTOPHER J. PAPA., Executive Vice President and Chief Financial Officer of the Company, certify in connection with Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, that based on my knowledge:

(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 result of operations of the Company.

/s/ CHRISTOPHER J. PAPA
Christopher J. Papa
Executive Vice President and Chief Financial Officer
Date:	November 6, 2019

EX-32.3

Exhibit 32.3

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report of Liberty Property Limited Partnership (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2019, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, WILLIAM P. HANKOWSKY, President and Chief Executive Officer of Liberty Property Trust (the sole general partner of the Company), certify in connection with Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, that based on my knowledge:

(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 result of operations of the Company.

/s/ WILLIAM P. HANKOWSKY
William P. Hankowsky
Chairman, President and Chief Executive Officer of Liberty Property Trust, the Company’s sole general partner
Date:	November 6, 2019

EX-32.4

Exhibit 32.4

LIBERTY PROPERTY LIMITED PARTNERSHIP

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report of Liberty Property Limited Partnership (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2019, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, CHRISTOPHER J. PAPA, Executive Vice President and Chief Financial Officer of Liberty Property Trust (the sole general partner of the Company), certify in connection with Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, that based on my knowledge:

(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 result of operations of the Company.

/s/ CHRISTOPHER J. PAPA
Christopher J. Papa
Executive Vice President and Chief Financial Officer of Liberty Property Trust, the Company’s sole general partner
Date:	November 6, 2019

XML

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Gain (loss) on property dispositions in discontinued operations	$ 37.2	$ 94.9	$ 87.4	$ 184.7
Liberty Property Limited Partnership
Gain (loss) on property dispositions in discontinued operations	$ 37.2	$ 94.9	$ 87.4	$ 184.7

XML

Document and Entity Information Document - shares	9 Months Ended
	Sep. 30, 2019	Nov. 04, 2019
Entity Information [Line Items]
Title of 12(g) Security	Common Shares of Beneficial Interest, $0.001 par value
Entity Registrant Name	LIBERTY PROPERTY TRUST
Entity Tax Identification Number	23-7768996
Entity Address, Address Line One	650 East Swedesford Road
Entity Address, City or Town	Wayne,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19087
Trading Symbol	LPT
City Area Code	610
Local Phone Number	648-1700
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Central Index Key	0000921112
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2019
Entity File Number	1-13130
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Emerging Growth Company	false
Entity Small Business	false
Amendment Flag	false
Entity Common Stock, Shares Outstanding		157,771,589
Security Exchange Name	NYSE
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	MD
Liberty Property Limited Partnership
Entity Information [Line Items]
Entity Registrant Name	LIBERTY PROPERTY LIMITED PARTNERSHIP
Entity Tax Identification Number	23-2766549
Entity Central Index Key	0000921113
Entity File Number	1-13132
Entity Incorporation, State or Country Code	PA

XML

Segment Information - Total Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Document Period End Date	Sep. 30, 2019
Assets	$ 7,338,732	$ 6,934,394
Operating Segments
Segment Reporting Information [Line Items]
Assets	6,701,430	6,737,720
Operating Segments | Other
Segment Reporting Information [Line Items]
Assets	1,062,447	1,153,518
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Assets	637,302	196,674
North America | Operating Segments | Carolinas/Richmond
Segment Reporting Information [Line Items]
Assets	516,811	525,041
North America | Operating Segments | Chicago/Minneapolis
Segment Reporting Information [Line Items]
Assets	597,557	591,792
North America | Operating Segments | Cincinnati/Columbus/Indianapolis
Segment Reporting Information [Line Items]
Assets	134,111	131,400
North America | Operating Segments | Dallas
Segment Reporting Information [Line Items]
Assets	306,463	261,538
North America | Operating Segments | Florida
Segment Reporting Information [Line Items]
Assets	550,623	547,232
North America | Operating Segments | Houston
Segment Reporting Information [Line Items]
Assets	608,761	568,756
North America | Operating Segments | Lehigh/Central PA
Segment Reporting Information [Line Items]
Assets	1,225,016	1,210,220
North America | Operating Segments | Philadelphia
Segment Reporting Information [Line Items]
Assets	540,972	624,373
North America | Operating Segments | Southern California
Segment Reporting Information [Line Items]
Assets	766,578	660,688
United Kingdom | Operating Segments | United Kingdom
Segment Reporting Information [Line Items]
Assets	$ 392,091	$ 463,162

XML

Income per Common Share of the Trust

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Income per Common Share of the Trust

Income per Common Share of the Trust

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	Three Months Ended					Three Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	59,091	150,140	$	0.39	$	43,713	147,324	$	0.30
Dilutive shares for long-term compensation plans	—		839			—		947
Income from continuing operations net of noncontrolling interest - diluted	$	59,091	150,979	$	0.39	$	43,713	148,271	$	0.29
Discontinued operations net of noncontrolling interests - basic	$	41,273	150,140	$	0.28	$	106,430	147,324	$	0.72
Dilutive shares for long-term compensation plans	—		839			—		947
Discontinued operations net of noncontrolling interests - diluted	$	41,273	150,979	$	0.27	$	106,430	148,271	$	0.72
Net income available to common shareholders - basic	$	100,364	150,140	$	0.67	$	150,143	147,324	$	1.02
Dilutive shares for long-term compensation plans	—		839			—		947
Net income available to common shareholders - diluted	$	100,364	150,979	$	0.66	$	150,143	148,271	$	1.01
	Nine Months Ended					Nine Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	151,150	148,532	$	1.02	$	91,051	147,241	$	0.62
Dilutive shares for long-term compensation plans	—		851			—		919
Income from continuing operations net of noncontrolling interest - diluted	$	151,150	149,383	$	1.01	$	91,051	148,160	$	0.61
Discontinued operations net of noncontrolling interests - basic	$	103,315	148,532	$	0.69	$	218,887	147,241	$	1.48
Dilutive shares for long-term compensation plans	—		851			—		919
Discontinued operations net of noncontrolling interests - diluted	$	103,315	149,383	$	0.69	$	218,887	148,160	$	1.48
Net income available to common shareholders - basic	$	254,465	148,532	$	1.71	$	309,938	147,241	$	2.10
Dilutive shares for long-term compensation plans	—		851			—		919
Net income available to common shareholders - diluted	$	254,465	149,383	$	1.70	$	309,938	148,160	$	2.09

Dilutive shares for long-term compensation plans represent the unvested common shares outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common share for the three and nine months ended September 30, 2019 or 2018.

During the three and nine months ended September 30, 2019, 251,000 and 374,000 common shares, respectively, were issued upon the exercise of options. During the year ended December 31, 2018, 151,000 common shares were issued upon the exercise of options.

Equity Offering

In September 2019, the Company completed the sale of 9.2 million common shares, at a price of $50.50 per share, for net proceeds of $447.9 million. The net proceeds from this issuance were used to fund the early redemption on October 12, 2019 of the Operating Partnership's $350 million 4.75% senior notes due October 2020, repay outstanding balances on the Company's revolving credit facilities and for general corporate purposes. In conjunction with such early redemption, the Company incurred charges of approximately $9.0 million.

Share Repurchase

The Company’s Board of Trustees had authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common shares through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three and nine months ended September 30, 2019 or for the year ended December 31, 2018.

XML

Noncontrolling Interests of the Trust- Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Redeemable Noncontrolling Interest [Line Items]
Limited Partners' common units outstanding	3,500,000	3,520,205
Liberty Property Limited Partnership
Redeemable Noncontrolling Interest [Line Items]
Limited Partners' common units outstanding	3,500,000	3,520,205
Market value of common units based on closing price	$ 179.3

XML

Income per Common Share of the Trust - Share Repurchase (Details) - 2017 Share Repurchase Program - Common shares - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized amount	$ 250	$ 250
Stock repurchased in period (in shares)	0	0	0

XML

Organization and Basis of Presentation Rental Income Lessor (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Continuing Operations
Lessor, Lease, Description [Line Items]
Rental income - operating leases	$ 127,125	$ 371,744
Variable lease income - operating leases	35,787	107,900
Discontinued operations
Lessor, Lease, Description [Line Items]
Rental income - operating leases	6,233	25,481
Variable lease income - operating leases	$ 2,265	$ 8,112

XML

Organization and Basis of Presentation - Organization (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Ownership interest in operating partnership - Limited Partnership	97.80%
Liberty Comcast 1701 JFK Boulevard, LP
Variable Interest Entity [Line Items]
Ownership percentage of equity method investment	20.00%
Liberty Comcast 1701 JFK Boulevard, LP | Variable Interest Entity, Not Primary Beneficiary | Other Investments
Variable Interest Entity [Line Items]
Equity investment in joint venture	$ 73.9	$ 75.1

XML

Unconsolidated Joint Ventures

9 Months Ended

Sep. 30, 2019

Equity Method Investments and Joint Ventures [Abstract]

Unconsolidated Joint Ventures

Unconsolidated Joint Ventures

Liberty Property 18th & Arch LP and Liberty Property 18th & Arch Hotel, LP

On June 30, 2014, the Company entered into two joint ventures for the purpose of developing and owning the Comcast Technology Center (the “Project”) located in Philadelphia, Pennsylvania as part of a mixed-use development. The 60-story building includes 1.3 million square feet of leasable office space (the “Office”), which is substantially complete and fully occupied by Comcast Corporation, and a 219-room Four Seasons Hotel (the “Hotel”), which is substantially complete and opened to the public in August 2019. Costs for the development of the Project, exclusive of tenant-funded interior improvements, are anticipated to be approximately $968 million. As of September 30, 2019, the Company's investment in the project was $193.7 million and is reflected in investments in and advances to unconsolidated joint ventures in the Company's consolidated balance sheet. These joint ventures are part of the Company's Philadelphia reportable segment.

The two joint ventures engaged the Company as the developer of the Project pursuant to a Development Agreement by which the Company agreed, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. To mitigate its risk, the Company entered into guaranteed maximum price contracts (the "GMP Contracts") with a third party contractor (the "General Contractor") to construct the Project. The Company has been notified by the General Contractor that the General Contractor has incurred cost overruns comprised of amounts owed to third-party subcontractors and internal general condition costs of the General Contractor in connection with completing the Project in excess of the guaranteed maximum price payable to the General Contractor under the GMP Contracts, which guaranteed maximum price has been previously adjusted pursuant to accepted change orders. Notwithstanding the GMP Contracts, the General Contractor has generally refused to fund the cost overruns owed to third-party subcontractors, and the Company has funded, and may continue to fund, subcontractor cost overruns in compliance with its obligations under its development cost guarantee to the joint ventures. Accordingly, in periods prior to 2019, the Company accrued $69.3 million relating primarily to cost overruns that it estimated were probable of being funded to third-party subcontractors under its development cost guarantees to the joint ventures. As of September 30, 2019 and December 31, 2018, the Company's remaining accrual was $29.6 million and $67.3 million, respectively (including, in each case, estimated retainage of approximately $24 million payable to subcontractors), which accruals are included in other liabilities in the accompanying consolidated balance sheets and are reflective of amounts cumulatively funded by the Company as of those dates. The Company is accounting for the development of the Project on a variable basis as a percentage of costs incurred under the development contract. The Company recognized a loss of $61.8 million for the nine months ended September 30, 2018 in development service fee income, net of development service fee expense and other related expenses. There was no loss or gain recognized related to the Project during the three months ended September 30, 2018 or the three and nine months ended September 30, 2019. The Company intends to pursue all remedies to recover from the General Contractor any amounts expended by the Company or the joint ventures in excess of their contractual obligations.

In addition to the costs to comply with the Company's obligations under its development cost guarantee, other claims related to the development of the Project have been asserted by the General Contractor and certain subcontractors. Should disputes with respect to these asserted claims proceed, the Company expects that it would assert claims against the General Contractor, both with respect to the claims as to which the above-described accrual has been made, as well as with respect to the additional claims described in this paragraph. There can be no assurances that amounts incurred, including as a result of such claims, will not exceed the above estimates. The Company is not able to reasonably estimate the amount of additional costs, if any, that it may incur as a result of such claims, and accordingly any potential exposure of the Company for such claims is not included within the accrual described above. Similarly, the Company is not able to reasonably estimate the amount, if any, that the Company may recover with respect to any claims it may assert against the General Contractor. If the Company were to incur additional expenses in connection with its development cost guarantee or in connection with such claims, such amounts would be accrued when they are determined to be probable of being incurred and are reasonably estimable, and could be material to the Company's results of operations in future periods. If the Company were to subsequently recover any of the cost overruns initially funded by the Company, whether pursuant to any such claims asserted by the Company or otherwise, such recoveries would be recorded when and if realized in future periods.

Liberty Washington, LP

During the three months ended September 30, 2019, the Company concluded that a property owned by this joint venture and held for sale had an indicator of impairment resulting from a decline in the Washington, DC market fundamentals. The joint venture recognized impairment charges of $10.3 million and $26.7 million for the three and nine months ended September 30, 2019, respectively. The Company's share of these impairment charges were $2.6 million and $6.7 million, respectively, for the same periods. The impairment charges are related to the Company's DC Metro reportable segment and the Company's share is included in equity in earnings of unconsolidated joint ventures in the accompanying consolidated statements of comprehensive income.

The Company determined these impairments based on estimated future discounted cash flows. This is a Level 3 fair value calculation.

Cambridge Medipark Ltd

During the three and nine months ended September 30, 2019, Cambridge Medipark, Ltd (a joint venture in which the Company holds a 50% interest) recognized gains on the sale of land leasehold interests. The Company's share of these gains was $112,000 and $1.1 million for the three and nine months ended September 30, 2019, respectively, compared to $1.2 million and $5.0 million, respectively, for the same periods in 2018.

XML

Subsequent Events

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Events

Prepayment of Senior Notes

On October 12, 2019, the Company prepaid the Operating Partnership's $350 million 4.75% unsecured notes due in October 2020. The Company incurred a loss on early extinguishment of debt of approximately $9.0 million.

Proposed Merger with Prologis, Inc.

On October 27, 2019, the Trust, Leaf Holdco Company Trust, a Maryland real estate investment trust and wholly owned subsidiary of the Trust (“New Liberty Holdco”), and the Operating Partnership (collectively with the Trust and New Liberty Holdco, the “Company Parties”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prologis, Inc., a Maryland corporation (“Prologis”), Lambda REIT Acquisition LLC, a Maryland limited liability company and wholly owned subsidiary of Prologis (“Prologis Merger Sub”), Prologis, L.P., a Delaware limited partnership (“Prologis OP”), and Lambda OP Acquisition LLC, a Delaware limited liability company and wholly owned subsidiary of Prologis OP (“Prologis OP Merger Sub” and, together with Prologis, Prologis Merger Sub and Prologis OP, the “Prologis Parties”).

The Merger Agreement provides that upon the terms and subject to the conditions set forth in the Merger Agreement, (i) a newly created indirect wholly owned subsidiary of New Liberty Holdco will merge with and into the Trust (the “Company Merger”) with the Trust continuing as the surviving entity and as an indirect wholly owned subsidiary of New Liberty Holdco; (ii) thereafter, New Liberty Holdco will merge with and into Prologis Merger Sub (the “Topco Merger” and together with the Company Merger, the “Company Mergers”), with Prologis Merger Sub continuing as the surviving corporation and a wholly owned subsidiary of Prologis; (iii) immediately after the Topco Merger, Prologis will cause all of the outstanding equity interests in the Prologis Merger Sub to be contributed to Prologis OP in exchange for the issuance by Prologis OP of partnership interests in Prologis OP to other subsidiaries of Prologis; and (iv) thereafter, Prologis OP Merger Sub will merge with and into the Operating Partnership, with the Operating Partnership continuing as the surviving entity and a wholly owned subsidiary of Prologis OP (the “Partnership Merger” and together with the Company Merger and the Topco Merger, the “Mergers”).

Under the terms of the Merger Agreement, shareholders of the Trust and holders of common units in the Operating Partnership will receive 0.675 shares of Prologis common stock and limited partnership interests in Prologis OP, respectively, for each common share of the Trust or common unit in the Operating Partnership that they own.

The board of trustees of the Trust and the board of directors of Prologis have both unanimously approved the Merger Agreement, the Mergers and the other transactions contemplated by the Merger Agreement. The transaction, which is currently expected to close in the first quarter of 2020, is subject to the approval of the Trust’s shareholders and other customary closing conditions.

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Disclosure of Fair Value of Financial Instruments Fair Value of Financial Instruments (Policies)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

ASC 820, Fair Value Measurements and Disclosures, provides guidance on the fair value measurement of a financial asset or liability. Inputs used to develop fair value are classified in one of three categories: Level 1 inputs (quoted prices (unadjusted) in active markets for identical assets or liabilities), Level 2 inputs (inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly) and Level 3 inputs (unobservable inputs for the asset or liability).

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies. However, considerable judgment is necessary to interpret market data and develop estimated fair value. Accordingly, the following estimates are not necessarily indicative of the amounts the Company could have realized on disposition of the financial instruments at December 31, 2018 and September 30, 2019. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

The carrying value of cash and cash equivalents, restricted cash, accounts receivable, accounts payable, accrued interest, dividend and distributions payable and other liabilities are reasonable estimates of fair value because of the short-term nature of these instruments. The carrying value of the outstanding amounts under the Company's credit facilities is a reasonable estimate of fair value because interest rates float at a rate based on LIBOR.

The Company determines the fair value of its interest rate swaps by using the standard methodology of netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to not be significant inputs for the fair value calculations for the periods presented. See Note 14 - Derivative Instruments.

The Company used a discounted cash flow model to determine the estimated fair value of its debt as of December 31, 2018 and September 30, 2019. This is a Level 3 fair value calculation. The inputs used in preparing the discounted cash flow model include actual maturity dates and scheduled cash flows as well as estimates for market value discount rates. The Company updates the discounted cash flow model on a quarterly basis to reflect any changes in the Company's debt holdings and changes to discount rate assumptions.

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Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of gains or losses recognized related to derivatives

The following table presents the location in the financial statements of the gains or losses recognized related to the Company’s cash flow hedges for the three and nine months ended September 30, 2019 and 2018 (in thousands):

	Three Months Ended				Nine Months Ended
	September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
Amount of gain related to the effective portion recognized in other comprehensive (loss) income	$	13	$	69	$	424	$	619
Total Amount of Interest Expense Presented in the Consolidated Statements of Comprehensive Income	25,791		23,133		76,644		66,189

Schedule of derivative instruments, classification on the accompanying balance sheets

The following table presents the fair value of the Company’s derivative financial instruments as well as their classification on the accompanying consolidated balance sheets as of September 30, 2019 and December 31, 2018 (amounts in thousands):

	Derivatives
		Fair Value at:
	Balance Sheet Location	September 30, 2019		December 31, 2018
Derivatives designated as hedging instruments:
Interest Rate Swaps	Other Liabilities	$	345	$	677
Interest Rate Treasury Locks	Other Liabilities	—		3,972
Total		$	345	$	4,649

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Schedule of operating information by reportable segment

The operating information by reportable segment is as follows (in thousands):

		Three Months Ended						Nine Months Ended
		September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Revenue
	Carolinas/Richmond	$	20,377		$	19,417		$	61,129		$	58,723
	Chicago/Minneapolis	17,479			17,274			52,299			50,414
	Cincinnati/Columbus/Indianapolis	4,792			4,245			13,822			13,613
	Dallas	5,953			5,537			17,252			14,300
	Florida	15,871			15,847			48,218			47,117
	Houston	19,103			16,561			51,831			48,514
	Lehigh/Central PA	38,878			39,188			118,588			115,799
	Philadelphia	9,779			10,598			32,043			33,659
	Southern California	10,510			7,914			30,660			22,226
	United Kingdom	5,900			3,523			17,857			11,579
	Other	22,768			32,119			69,717			97,853
Segment-level revenue		171,410			172,223			513,416			513,797
Reconciliation to total revenue
	Development service fee income	257			12,956			2,099			59,132
	Discontinued operations	(8,498		)	(23,911		)	(33,593		)	(73,613		)
	Other	—			18			(179		)	(372		)
Total revenue		$	163,169		$	161,286		$	481,743		$	498,944
Net operating income
	Carolinas/Richmond	$	15,638		$	14,620		$	47,020		$	43,795
	Chicago/Minneapolis	10,902			10,564			33,294			31,271
	Cincinnati/Columbus/Indianapolis	3,262			2,749			9,186			9,099
	Dallas	4,035			3,666			11,848			9,274
	Florida	11,628			11,461			35,097			33,717
	Houston	12,377			9,676			32,159			28,714
	Lehigh/Central PA	29,902			29,406			89,639			86,085
	Philadelphia	7,876			7,947			25,583			28,211
	Southern California	8,200			6,496			23,524			17,675
	United Kingdom	5,421			3,234			16,131			10,662
	Other	15,507			23,213			47,727			69,620
Net operating income		124,748			123,032			371,208			368,123
Reconciliation to income from continuing operations
	Interest expense (1)	(26,220		)	(24,670		)	(78,297		)	(71,331		)
	Development service fee income	257			12,956			2,099			59,132
	Development service fee expense	(168		)	(12,924		)	(1,848		)	(120,799		)
	Depreciation/amortization expense (1) (2)	(32,279		)	(32,243		)	(97,642		)	(97,576		)
	Impairment charges - real estate assets	—			—			(99		)	(26,000		)
	Gain on property dispositions	15,168			2,002			21,125			54,705
	Equity in earnings of unconsolidated joint ventures	1,776			6,766			10,966			20,958
	General and administrative expense (1)	(10,193		)	(9,814		)	(35,559		)	(32,758		)
	Leasing cost	(3,082		)	(2,610		)	(9,608		)	(8,189		)
	Other operating expenses	(3,166		)	(3,169		)	(8,690		)	(7,467		)
	Discontinued operations excluding losses on impairment and debt extinguishment and gain on property dispositions	(4,951		)	(14,320		)	(18,553		)	(39,842		)
	Income taxes (1) (2)	(811		)	(329		)	(1,635		)	(1,539		)
	Other	(592		)	196			1,389			(3,262		)
Income from continuing operations		$	60,487		$	44,873		$	154,856		$	94,155

(1) Includes activity in discontinued operations.

(2)

Excludes costs that are included in determining net operating income.

Schedule of total assets by reportable segments

The Company's total assets by reportable segment as of September 30, 2019 and December 31, 2018 is as follows (in thousands):

	September 30, 2019		December 31, 2018
Carolinas/Richmond	$	516,811	$	525,041
Chicago/Minnesota	597,557		591,792
Cincinnati/Columbus/Indianapolis	134,111		131,400
Dallas	306,463		261,538
Florida	550,623		547,232
Houston	608,761		568,756
Lehigh/Central PA	1,225,016		1,210,220
Philadelphia	540,972		624,373
Southern California	766,578		660,688
United Kingdom	392,091		463,162
Other	1,062,447		1,153,518
Segment-level total assets	6,701,430		6,737,720
Corporate Other	637,302		196,674
Total assets	$	7,338,732	$	6,934,394

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Income per Common Share of the Trust (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of earnings per share

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	Three Months Ended					Three Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	59,091	150,140	$	0.39	$	43,713	147,324	$	0.30
Dilutive shares for long-term compensation plans	—		839			—		947
Income from continuing operations net of noncontrolling interest - diluted	$	59,091	150,979	$	0.39	$	43,713	148,271	$	0.29
Discontinued operations net of noncontrolling interests - basic	$	41,273	150,140	$	0.28	$	106,430	147,324	$	0.72
Dilutive shares for long-term compensation plans	—		839			—		947
Discontinued operations net of noncontrolling interests - diluted	$	41,273	150,979	$	0.27	$	106,430	148,271	$	0.72
Net income available to common shareholders - basic	$	100,364	150,140	$	0.67	$	150,143	147,324	$	1.02
Dilutive shares for long-term compensation plans	—		839			—		947
Net income available to common shareholders - diluted	$	100,364	150,979	$	0.66	$	150,143	148,271	$	1.01
	Nine Months Ended					Nine Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	151,150	148,532	$	1.02	$	91,051	147,241	$	0.62
Dilutive shares for long-term compensation plans	—		851			—		919
Income from continuing operations net of noncontrolling interest - diluted	$	151,150	149,383	$	1.01	$	91,051	148,160	$	0.61
Discontinued operations net of noncontrolling interests - basic	$	103,315	148,532	$	0.69	$	218,887	147,241	$	1.48
Dilutive shares for long-term compensation plans	—		851			—		919
Discontinued operations net of noncontrolling interests - diluted	$	103,315	149,383	$	0.69	$	218,887	148,160	$	1.48
Net income available to common shareholders - basic	$	254,465	148,532	$	1.71	$	309,938	147,241	$	2.10
Dilutive shares for long-term compensation plans	—		851			—		919
Net income available to common shareholders - diluted	$	254,465	149,383	$	1.70	$	309,938	148,160	$	2.09

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Real Estate

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

Real Estate

Real Estate

Information on the Operating Properties and land parcels the Company acquired during the three months and nine months ended September 30, 2019 is as follows:

	Three Months Ended September 30, 2019					Nine Months Ended September 30, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)		Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)
Chicago/Minneapolis	—	23.5	—	$	13,200	—	23.5	—	$	13,200
Dallas	—	—	—	—		2	—	509,733	44,400
Southern California	1	—	203,280	55,500		2	—	492,963	86,785
United Kingdom	—	—	—	—		—	25.0	—	2,658
Other:
Atlanta	—	—	—	—		—	154.7	—	5,000
New Jersey	—	—	—	—		3	—	488,254	78,275
	1	23.5	203,280	$	68,700	7	203.2	1,490,950	$	230,318

In the nine months ended September 30, 2019, the Company purchased the noncontrolling interest of three consolidated joint ventures in the following reportable segments: four buildings in Philadelphia, one building in New Jersey, one building in Dallas and one building in Southern California as well as 21.7 acres of land in Arizona, for $18.5 million.

Information on the Operating Properties and land parcels the Company sold during the three and nine months ended September 30, 2019 is as follows:

	Three Months Ended September 30, 2019					Nine Months Ended September 30, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)		Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)
Carolinas/Richmond	1	—	136,000	$	14,100	1	—	136,000	$	14,100
Chicago/Minneapolis	—	—	—	—		—	11.3	—	2,865
Florida	—	—	—	—		3	—	150,751	23,400
Houston	—	7.6	—	1,700		—	11.6	—	3,205
Philadelphia	2	—	156,411	60,650		3	—	309,653	159,900
Other:
Arizona	—	—	—	—		—	8.8	—	11,500
New Jersey (1)	—	67.6	—	4,070		—	68.4	—	8,070
DC Metro	1	—	290,762	92,500		2	—	437,234	154,250
Southeastern PA	2	—	180,151	30,000		5	18.0	254,331	40,200
	6	75.2	763,324	$	203,020	14	118.1	1,287,969	$	417,490

(1) Includes land that the Company sold for $4.1 million to an unconsolidated joint venture in which the Company holds a 25% interest.

In connection with the sale of a building in the Philadelphia reportable segment in June 2019 the Company repaid a $35.9 million 4.84% mortgage loan due 2033 encumbering the property and, consequently, recognized a loss of $7.6 million on early extinguishment of debt, which is reported in discontinued operations.

In addition to the sale of land parcels described above, the Company also received gross proceeds of $5.5 million from the sale of non-depreciable assets in Tempe, Arizona included in Company’s Other reportable segment in the third quarter of 2019, as well as $4.0 million from the sale of non-depreciable assets in Camden, New Jersey included in the Company’s Philadelphia reportable segment during the nine months ended September 30, 2019.  Including the above-described sales of land and other non-depreciable assets, the Company recognized gains on sales of non-depreciable assets of $7.0 million and $12.9 million during the three and nine months ended September 30, 2019, respectively.

In addition to the transactions described above, during the three and nine months ended September 30, 2019, a subsidiary of the Company entered into an agreement with an entity affiliated with an employee of the Company, pursuant to which the Company waived its rights to purchase and develop a particular land parcel in Company’s Philadelphia reportable segment in consideration for reimbursement of a portion of the infrastructure costs totaling $3.2 million previously incurred by the Company.

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Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

9 Months Ended

Sep. 30, 2019

Preferred Units [Line Items]

Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

Noncontrolling Interests of the Trust

Noncontrolling interests in the accompanying financial statements represent the interests of the common and preferred units in the Operating Partnership not held by the Trust. In addition, noncontrolling interests include third-party ownership interests in consolidated joint venture investments.

Common units

The common units of the Operating Partnership not held by the Trust outstanding as of September 30, 2019 have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units of the Operating Partnership not held by the Trust share proportionately in the net income or loss and in any distributions of the Operating Partnership. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at September 30, 2019 was $179.3 million.

Liberty Property Limited Partnership

Preferred Units [Line Items]

Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership

Limited partners' equity in the accompanying financial statements represents the interests of the common and preferred units in the Operating Partnership not held by the Trust. The Operating Partnership's noncontrolling interest includes third-party ownership interests in consolidated joint venture investments.

Common units

The common units outstanding have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units as of September 30, 2019 not held by the Trust are the limited partners' equity - common units held by persons and entities other than the Trust. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at September 30, 2019 was $179.3 million.

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Supplemental Disclosure to Statements of Cash Flows - Schedule of Supplemental Disclosures (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Continuing Operations
Other Significant Noncash Transactions [Line Items]
Write off of fully depreciated property and deferred costs	$ 2,218	$ 7,197
Write of depreciated property and deferred costs due to sale and related debt repayment	1,642	20,273
Change in accrued development capital expenditures	(4,436)	12,361
Unrealized (loss) gain on cash flow hedge, non cash transaction	(1,887)	493
Capitalized equity-based compensation	915	727
Discontinued operations
Other Significant Noncash Transactions [Line Items]
Write off of fully depreciated property and deferred costs	0	11,789
Write of depreciated property and deferred costs due to sale and related debt repayment	51,455	99,072
Change in accrued development capital expenditures	$ 0	$ (4,628)

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Unconsolidated Joint Ventures -Liberty Washington, LP (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018
Schedule of Equity Method Investments [Line Items]
Impairment charges - real estate assets		$ 99	$ 26,000
DC Metro | Liberty Washington, LP [Member] | Discontinued operations
Schedule of Equity Method Investments [Line Items]
Impairment charges - real estate assets	$ 10,300	26,700
DC Metro | Liberty Property Limited Partnership | Other Investments | Equity Method Investee | Liberty Washington, LP [Member]
Schedule of Equity Method Investments [Line Items]
Impairment charges - real estate assets	$ 2,600	$ 6,700

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Income per Common Share of the Trust Equity Offering (Details) - Common shares $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended
	Sep. 30, 2019 USD ($) $ / shares shares
Class of Shares [Line Items]
Shares, Issued | shares	9.2
Shares Issued, Price Per Share | $ / shares	$ 50.50
Proceeds from Issuance of Shares | $	$ 447.9

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Income per Common Unit of the Operations Partnership - Options Exercised (Details) - shares	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Liberty Property Limited Partnership | Stock Option | Common Units
Stock Option Exercises [Line Items]
Amount of options exercised in period	251,000	374,000	151,000

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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 3,396,772	$ 3,148,366
Ending balance	3,905,443	3,289,584
Total accumulated other comprehensive loss	3,905,443	3,148,366	$ 3,905,443	$ 3,417,364	$ 3,396,772	$ 3,289,584	$ 3,197,225
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity			3,842,855		3,329,861
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(52,862)	(38,701)
Unrealized income (loss)	(7,574)	(9,221)
Ending balance	(60,436)	(47,922)
Total accumulated other comprehensive loss	(52,862)	(38,701)	(60,436)		(52,862)	(47,922)
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(3,550)	150
Unrealized income (loss)	(1,820)	620
Reclassification adjustment	(67)	(127)
Ending balance	(5,437)	643
Total accumulated other comprehensive loss	(3,550)	150	(5,437)		(3,550)	643
AOCI Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Ending balance	(65,873)	(47,279)
Total accumulated other comprehensive loss	(65,873)	(47,279)	(65,873)			(47,279)
AOCI Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Ending balance	1,377	957
Total accumulated other comprehensive loss	1,377	957	1,377			957
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(55,243)	(37,797)
Ending balance	(64,496)	(46,322)
Total accumulated other comprehensive loss	$ (64,496)	$ (46,322)	(64,496)	$ (57,674)	$ (55,243)	(46,322)	$ (43,383)
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity			$ (64,496)			$ (46,322)

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Real Estate (Tables)

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

Schedule of operating properties and land parcels

Information on the Operating Properties and land parcels the Company acquired during the three months and nine months ended September 30, 2019 is as follows:

	Three Months Ended September 30, 2019					Nine Months Ended September 30, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)		Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Purchase Price (in thousands)
Chicago/Minneapolis	—	23.5	—	$	13,200	—	23.5	—	$	13,200
Dallas	—	—	—	—		2	—	509,733	44,400
Southern California	1	—	203,280	55,500		2	—	492,963	86,785
United Kingdom	—	—	—	—		—	25.0	—	2,658
Other:
Atlanta	—	—	—	—		—	154.7	—	5,000
New Jersey	—	—	—	—		3	—	488,254	78,275
	1	23.5	203,280	$	68,700	7	203.2	1,490,950	$	230,318

In the nine months ended September 30, 2019, the Company purchased the noncontrolling interest of three consolidated joint ventures in the following reportable segments: four buildings in Philadelphia, one building in New Jersey, one building in Dallas and one building in Southern California as well as 21.7 acres of land in Arizona, for $18.5 million.

Information on the Operating Properties and land parcels the Company sold during the three and nine months ended September 30, 2019 is as follows:

	Three Months Ended September 30, 2019					Nine Months Ended September 30, 2019
	Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)		Number of Buildings	Acres of Developable Land	Leaseable Square Feet	Gross Proceeds (in thousands)
Carolinas/Richmond	1	—	136,000	$	14,100	1	—	136,000	$	14,100
Chicago/Minneapolis	—	—	—	—		—	11.3	—	2,865
Florida	—	—	—	—		3	—	150,751	23,400
Houston	—	7.6	—	1,700		—	11.6	—	3,205
Philadelphia	2	—	156,411	60,650		3	—	309,653	159,900
Other:
Arizona	—	—	—	—		—	8.8	—	11,500
New Jersey (1)	—	67.6	—	4,070		—	68.4	—	8,070
DC Metro	1	—	290,762	92,500		2	—	437,234	154,250
Southeastern PA	2	—	180,151	30,000		5	18.0	254,331	40,200
	6	75.2	763,324	$	203,020	14	118.1	1,287,969	$	417,490

(1) Includes land that the Company sold for $4.1 million to an unconsolidated joint venture in which the Company holds a 25% interest.

In connection with the sale of a building in the Philadelphia reportable segment in June 2019 the Company repaid a $35.9 million 4.84% mortgage loan due 2033 encumbering the property and, consequently, recognized a loss of $7.6 million on early extinguishment of debt, which is reported in discontinued operations.

In addition to the sale of land parcels described above, the Company also received gross proceeds of $5.5 million from the sale of non-depreciable assets in Tempe, Arizona included in Company’s Other reportable segment in the third quarter of 2019, as well as $4.0 million from the sale of non-depreciable assets in Camden, New Jersey included in the Company’s Philadelphia reportable segment during the nine months ended September 30, 2019.  Including the above-described sales of land and other non-depreciable assets, the Company recognized gains on sales of non-depreciable assets of $7.0 million and $12.9 million during the three and nine months ended September 30, 2019, respectively.

In addition to the transactions described above, during the three and nine months ended September 30, 2019, a subsidiary of the Company entered into an agreement with an entity affiliated with an employee of the Company, pursuant to which the Company waived its rights to purchase and develop a particular land parcel in Company’s Philadelphia reportable segment in consideration for reimbursement of a portion of the infrastructure costs totaling $3.2 million previously incurred by the Company.

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Organization and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of future minimum rent payments

. The following schedule indicates the approximate future minimum lease payments for the ground and office leases as of September 30, 2019:

Year	Amount
	(in thousands)
2019 (remainder of year)	$	373
2020	1,370
2021	1,234
2022	1,136
2023	1,035
Thereafter	40,684
Total minimum payments	$	45,832
Imputed interest	(26,941		)
Amortization	(512		)
Lease liabilities	$	18,379
Deferred rent	(715		)
Right of use asset	$	17,664

Future minimum rental payments

Since the Company has applied the provisions on a modified retrospective basis, the following represents approximate future minimum lease payments by year as of December 31, 2018, as applicable under ASC 840, Leases, prior to the adoption of the New Lease Standard.

Year	Amount
	(in thousands)
2019	$	1,512
2020	1,356
2021	1,205
2022	1,082
2023	981
Thereafter	40,799
	$	46,935

Schedule of lease income

The following details the rental income and variable lease income for the three and nine months ended September 30, 2019 (in thousands):

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Rental income - operating leases - continuing operations	$	127,125	$	371,744
Rental income - operating leases - discontinued operations	6,233		25,481
Variable lease income - operating leases - continuing operations	35,787		107,900
Variable lease income - operating leases - discontinued operations	2,265		8,112

Schedule of lease payments receivable

The following amounts reflect the estimated contractual rents due to the Company for the remainder of terms of the Company's operating leases as of September 30, 2019:

	(in thousands)
Remainder of 2019	$	220,242
2020	500,908
2021	452,679
2022	382,294
2023	314,211
2024	259,139
Thereafter	977,267
Total	$	3,106,740

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Disclosure of Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Debt Instrument, Fair Value Disclosure [Abstract]

Schedule of fair value

The following summarizes the fair value of the Company's mortgage loans and unsecured notes as of December 31, 2018 and September 30, 2019 (in thousands):

	Mortgage Loans				Unsecured Notes
	Carrying Value		Fair Value		Carrying Value		Fair Value
As of December 31, 2018	$	395,202	$	397,167	$	2,285,698	$	2,295,699
As of September 30, 2019	$	297,326	$	304,689	$	2,633,941	$	2,821,931

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Segment Information

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company owns and operates industrial properties nationally and owns and operates certain non-core office properties in a focused group of office markets. Additionally, the Company owns certain assets in the United Kingdom. At September 30, 2019, the Company's reportable segments were based on the Company's method of internal reporting and were as follows:

• Carolinas/Richmond;

• Chicago/Minneapolis;

• Cincinnati/Columbus/Indianapolis;

• Dallas

• Florida;

• Houston;

• Lehigh/Central PA;

• Philadelphia;

• Southern California; and

• United Kingdom.

Certain other segments are aggregated into an "Other" category which includes the reportable segments: Arizona; Atlanta; DC Metro; New Jersey; and Southeastern Pennsylvania.

Comparative prior periods have been restated to reflect current segment disclosures.

The Company evaluates the performance of its reportable segments based on net operating income. Net operating income includes operating revenue from external customers, real estate taxes, amortization of lease transaction costs and other operating expenses which relate directly to the management and operation of the assets within each reportable segment.

The Company's accounting policies for the segments are the same as those used in the Company's consolidated financial statements. There are no material inter-segment transactions.

The operating information by reportable segment is as follows (in thousands):

		Three Months Ended						Nine Months Ended
		September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Revenue
	Carolinas/Richmond	$	20,377		$	19,417		$	61,129		$	58,723
	Chicago/Minneapolis	17,479			17,274			52,299			50,414
	Cincinnati/Columbus/Indianapolis	4,792			4,245			13,822			13,613
	Dallas	5,953			5,537			17,252			14,300
	Florida	15,871			15,847			48,218			47,117
	Houston	19,103			16,561			51,831			48,514
	Lehigh/Central PA	38,878			39,188			118,588			115,799
	Philadelphia	9,779			10,598			32,043			33,659
	Southern California	10,510			7,914			30,660			22,226
	United Kingdom	5,900			3,523			17,857			11,579
	Other	22,768			32,119			69,717			97,853
Segment-level revenue		171,410			172,223			513,416			513,797
Reconciliation to total revenue
	Development service fee income	257			12,956			2,099			59,132
	Discontinued operations	(8,498		)	(23,911		)	(33,593		)	(73,613		)
	Other	—			18			(179		)	(372		)
Total revenue		$	163,169		$	161,286		$	481,743		$	498,944
Net operating income
	Carolinas/Richmond	$	15,638		$	14,620		$	47,020		$	43,795
	Chicago/Minneapolis	10,902			10,564			33,294			31,271
	Cincinnati/Columbus/Indianapolis	3,262			2,749			9,186			9,099
	Dallas	4,035			3,666			11,848			9,274
	Florida	11,628			11,461			35,097			33,717
	Houston	12,377			9,676			32,159			28,714
	Lehigh/Central PA	29,902			29,406			89,639			86,085
	Philadelphia	7,876			7,947			25,583			28,211
	Southern California	8,200			6,496			23,524			17,675
	United Kingdom	5,421			3,234			16,131			10,662
	Other	15,507			23,213			47,727			69,620
Net operating income		124,748			123,032			371,208			368,123
Reconciliation to income from continuing operations
	Interest expense (1)	(26,220		)	(24,670		)	(78,297		)	(71,331		)
	Development service fee income	257			12,956			2,099			59,132
	Development service fee expense	(168		)	(12,924		)	(1,848		)	(120,799		)
	Depreciation/amortization expense (1) (2)	(32,279		)	(32,243		)	(97,642		)	(97,576		)
	Impairment charges - real estate assets	—			—			(99		)	(26,000		)
	Gain on property dispositions	15,168			2,002			21,125			54,705
	Equity in earnings of unconsolidated joint ventures	1,776			6,766			10,966			20,958
	General and administrative expense (1)	(10,193		)	(9,814		)	(35,559		)	(32,758		)
	Leasing cost	(3,082		)	(2,610		)	(9,608		)	(8,189		)
	Other operating expenses	(3,166		)	(3,169		)	(8,690		)	(7,467		)
	Discontinued operations excluding losses on impairment and debt extinguishment and gain on property dispositions	(4,951		)	(14,320		)	(18,553		)	(39,842		)
	Income taxes (1) (2)	(811		)	(329		)	(1,635		)	(1,539		)
	Other	(592		)	196			1,389			(3,262		)
Income from continuing operations		$	60,487		$	44,873		$	154,856		$	94,155

(1) Includes activity in discontinued operations.

(2) Excludes costs that are included in determining net operating income.

The Company's total assets by reportable segment as of September 30, 2019 and December 31, 2018 is as follows (in thousands):

	September 30, 2019		December 31, 2018
Carolinas/Richmond	$	516,811	$	525,041
Chicago/Minnesota	597,557		591,792
Cincinnati/Columbus/Indianapolis	134,111		131,400
Dallas	306,463		261,538
Florida	550,623		547,232
Houston	608,761		568,756
Lehigh/Central PA	1,225,016		1,210,220
Philadelphia	540,972		624,373
Southern California	766,578		660,688
United Kingdom	392,091		463,162
Other	1,062,447		1,153,518
Segment-level total assets	6,701,430		6,737,720
Corporate Other	637,302		196,674
Total assets	$	7,338,732	$	6,934,394

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Noncontrolling Interest - Operating Partnership/Limited Partnership/Limited Partners' Equity - Preferred Units

9 Months Ended

Sep. 30, 2019

Temporary Equity [Line Items]

Noncontrolling Interest - Operating Partnership/Limited Partnership/Limited Partners' Equity - Preferred Units

Noncontrolling Interest - Operating Partnership/Limited Partners' Equity - Preferred Units

As of September 30, 2019, the Company had outstanding the following cumulative preferred units of the Operating Partnership:

ISSUE	AMOUNT		UNITS	LIQUIDATION PREFERENCE		DIVIDEND RATE
	(in 000’s)
Series I-2	$	5,337	213	$	25	6.25	%

The preferred units are putable at the holder's option at any time and are callable at the Operating Partnership's option after a stated period of time for cash. During the nine months ended September 30, 2019, 88,000 preferred units were redeemed for $2.2 million.

XML

Commitments and Contingencies - Other (Details) $ in Thousands, ft² in Millions	Sep. 30, 2019 USD ($) ft² properties bldg investment	Dec. 31, 2018 USD ($)	Jun. 30, 2014 ft² investment
Loss Contingencies [Line Items]
Letters of credit outstanding	$ 8,900
Development in progress	323,790	$ 462,572
Acres of developable land | Land Purchases
Loss Contingencies [Line Items]
Remaining amount committed to future acquisitions	53,100
Supply Commitment | Leasehold Improvements
Loss Contingencies [Line Items]
Remaining maximum amount committed for tenant improvements	$ 19,500
Supply Commitment | Construction in Progress
Loss Contingencies [Line Items]
Leaseable square feet (in sqft) | ft²	4.7
Number of buildings (in buildings) | bldg	22
Total anticipated development cost	$ 463,900
Development in progress	323,800
Deferred leasing costs in development	3,200
Remaining amount committed or obligated to pay	$ 1,000
Supply Commitment | Construction in Progress | Equity Method Investments
Loss Contingencies [Line Items]
Number of buildings (in buildings) | properties	3
Supply Commitment | Land, Buildings and Improvements
Loss Contingencies [Line Items]
Remaining amount committed or obligated to pay	$ 20,300
Philadelphia | Liberty Property 18th & Arch
Loss Contingencies [Line Items]
Number of equity method investments (in investments) | investment	2		2
Total anticipated development cost	$ 968,000
Philadelphia | Liberty Property 18th & Arch | Construction in Progress
Loss Contingencies [Line Items]
Leaseable square feet (in sqft) | ft²			1.3
American Water Works, Inc | Supply Commitment | Building and Building Improvements
Loss Contingencies [Line Items]
Other commitment	$ 35,600

XML

Unconsolidated Joint Ventures - Cambridge Medipark Ltd (Details) - Cambridge Medipark Ltd - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method investment	50.00%		50.00%
Leaseholds and Leasehold Improvements | Other Income | Disposal Group, Not Discontinued Operations
Schedule of Equity Method Investments [Line Items]
Gain on sale of leasehold interests	$ 112,000	$ 1,200,000	$ 1,100,000	$ 5,000,000.0

XML

Real Estate (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2019 USD ($)	Sep. 30, 2019 USD ($) a ft² bldg	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) a ft² bldg	Sep. 30, 2018 USD ($)
Property, Plant and Equipment [Line Items]
Loss on debt extinguishment				$ (7,618)	$ 0
Net proceeds from disposition of properties/land				412,474	574,542
Repayments of Secured Debt				98,467	31,954
Acquisition of noncontrolling interest				18,513
Discontinued operations
Property, Plant and Equipment [Line Items]
Loss on debt extinguishment		$ 0	$ 0	$ (7,618)	$ 0
2019 acquisitions [Member] | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		7		7
Leaseable Square Feet (in sqft) | ft²		1,490,950		1,490,950
2019 acquisitions [Member] | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		203.2		203.2
2019 acquisitions [Member] | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 230,318
2019 acquisitions [Member] | Dallas | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		2		2
Leaseable Square Feet (in sqft) | ft²		509,733		509,733
2019 acquisitions [Member] | Dallas | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 44,400
2019 acquisitions [Member] | Chicago/Minneapolis | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		23.5		23.5
2019 acquisitions [Member] | Chicago/Minneapolis | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 13,200
2019 acquisitions [Member] | Southern California | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		2		2
Leaseable Square Feet (in sqft) | ft²		492,963		492,963
2019 acquisitions [Member] | Southern California | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 86,785
2019 acquisitions [Member] | United Kingdom | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		25.0		25.0
2019 acquisitions [Member] | United Kingdom | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 2,658
2019 acquisitions [Member] | Atlanta | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		154.7		154.7
2019 acquisitions [Member] | Atlanta | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 5,000
2019 acquisitions [Member] | New Jersey | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		3		3
Leaseable Square Feet (in sqft) | ft²		488,254		488,254
2019 acquisitions [Member] | New Jersey | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 78,275
2019 acquisitions current quarter [Member] | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
Leaseable Square Feet (in sqft) | ft²		203,280		203,280
2019 acquisitions current quarter [Member] | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		23.5		23.5
2019 acquisitions current quarter [Member] | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)		$ 68,700
2019 acquisitions current quarter [Member] | Chicago/Minneapolis | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		23.5		23.5
2019 acquisitions current quarter [Member] | Chicago/Minneapolis | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)		$ 13,200
2019 acquisitions current quarter [Member] | Southern California | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
Leaseable Square Feet (in sqft) | ft²		203,280		203,280
2019 acquisitions current quarter [Member] | Southern California | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)		$ 55,500
2019 acquisitions of noncontrolling interest
Property, Plant and Equipment [Line Items]
Number of Consolidated Joint Ventures		3		3
2019 acquisitions of noncontrolling interest | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Purchase Price (in thousands)				$ 18,500
2019 acquisitions of noncontrolling interest | Dallas | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
2019 acquisitions of noncontrolling interest | Philadelphia | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		4		4
2019 acquisitions of noncontrolling interest | Southern California | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
2019 acquisitions of noncontrolling interest | Arizona | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		21.7		21.7
2019 acquisitions of noncontrolling interest | New Jersey | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		6		6
Leaseable Square Feet (in sqft) | ft²		763,324		763,324
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		75.2		75.2
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 203,020
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gain on sale of nondepreciable assets		$ 7,000
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Houston | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		7.6		7.6
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Houston | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 1,700
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Philadelphia | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		2		2
Leaseable Square Feet (in sqft) | ft²		156,411		156,411
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Philadelphia | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 60,650
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Arizona | Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 5,500
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Southeastern PA | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		2		2
Leaseable Square Feet (in sqft) | ft²		180,151		180,151
2019 sales current quarter | Disposal Group, Not Discontinued Operations | Southeastern PA | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 30,000
2019 sales current quarter | Disposal Group, Not Discontinued Operations | New Jersey | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		67.6		67.6
2019 sales current quarter | Disposal Group, Not Discontinued Operations | New Jersey | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 4,070
2019 sales current quarter | Disposal Group, Not Discontinued Operations | DC Metro | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
Leaseable Square Feet (in sqft) | ft²		290,762		290,762
2019 sales current quarter | Disposal Group, Not Discontinued Operations | DC Metro | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 92,500
2019 sales current quarter | Operating Segments | Disposal Group, Not Discontinued Operations | Carolinas/Richmond | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
Leaseable Square Feet (in sqft) | ft²		136,000		136,000
2019 sales current quarter | Operating Segments | Disposal Group, Not Discontinued Operations | Carolinas/Richmond | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 14,100
2019 sales | Philadelphia
Property, Plant and Equipment [Line Items]
Repayments of Secured Debt	$ (35,900)
2019 sales | Disposal Group, Not Discontinued Operations | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		14		14
Leaseable Square Feet (in sqft) | ft²		1,287,969		1,287,969
2019 sales | Disposal Group, Not Discontinued Operations | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		118.1		118.1
2019 sales | Disposal Group, Not Discontinued Operations | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 417,490
2019 sales | Disposal Group, Not Discontinued Operations | Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gain on sale of nondepreciable assets				$ 12,900
2019 sales | Disposal Group, Not Discontinued Operations | Chicago/Minneapolis | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		11.3		11.3
2019 sales | Disposal Group, Not Discontinued Operations | Chicago/Minneapolis | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 2,865
2019 sales | Disposal Group, Not Discontinued Operations | Florida | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		3		3
Leaseable Square Feet (in sqft) | ft²		150,751		150,751
2019 sales | Disposal Group, Not Discontinued Operations | Florida | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 23,400
2019 sales | Disposal Group, Not Discontinued Operations | Houston | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		11.6		11.6
2019 sales | Disposal Group, Not Discontinued Operations | Houston | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 3,205
2019 sales | Disposal Group, Not Discontinued Operations | Philadelphia | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		3		3
Leaseable Square Feet (in sqft) | ft²		309,653		309,653
2019 sales | Disposal Group, Not Discontinued Operations | Philadelphia | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 159,900
2019 sales | Disposal Group, Not Discontinued Operations | Philadelphia | Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)		$ 4,000
2019 sales | Disposal Group, Not Discontinued Operations | Arizona | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		8.8		8.8
2019 sales | Disposal Group, Not Discontinued Operations | Southeastern PA | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		18.0		18.0
2019 sales | Disposal Group, Not Discontinued Operations | New Jersey | Acres of Developable Land
Property, Plant and Equipment [Line Items]
Acres of Developable Land (in acres) | a		68.4		68.4
2019 sales | Discontinued operations | Philadelphia
Property, Plant and Equipment [Line Items]
Debt Instrument, Interest Rate During Period	4.84%
Loss on debt extinguishment	$ 7,600
2019 sales | Discontinued operations | Arizona | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 11,500
2019 sales | Discontinued operations | Southeastern PA | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		5		5
Leaseable Square Feet (in sqft) | ft²		254,331		254,331
2019 sales | Discontinued operations | Southeastern PA | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 40,200
2019 sales | Discontinued operations | New Jersey | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 8,070
2019 sales | Discontinued operations | DC Metro | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		2		2
Leaseable Square Feet (in sqft) | ft²		437,234		437,234
2019 sales | Discontinued operations | DC Metro | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 154,250
2019 sales | Operating Segments | Disposal Group, Not Discontinued Operations | Carolinas/Richmond | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Number of buildings (in buildings) | bldg		1		1
Leaseable Square Feet (in sqft) | ft²		136,000		136,000
2019 sales | Operating Segments | Disposal Group, Not Discontinued Operations | Carolinas/Richmond | Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Gross Proceeds (in thousands)				$ 14,100

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Income per Common Share of the Trust Subsequent Event (Details) - USD ($) $ in Thousands		9 Months Ended
	Oct. 12, 2019	Sep. 30, 2019	Sep. 30, 2018
Subsequent Event [Line Items]
Loss on debt extinguishment		$ (7,618)	$ 0
Subsequent Event [Member]
Subsequent Event [Line Items]
Loss on debt extinguishment	$ (9,000)
Unsecured Notes | Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of unsecured notes	$ 350,000
Interest Rate	4.75%

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Income per Common Unit of the Operating Partnership Unit Repurchase (Details) - Liberty Property Limited Partnership - 2017 Share Repurchase Program - Common Units - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized amount	$ 250	$ 250
Stock repurchased in period (in shares)	0	0	0

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Impairment and Disposal of Long-Lived Assets - Discontinued Operations (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($) a	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) a	Sep. 30, 2018 USD ($)	Sep. 30, 2019 properties	Sep. 30, 2019 bldg	Dec. 31, 2018 bldg
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income taxes	$ (878)	$ (444)	$ (1,449)	$ (1,884)
Loss on debt extinguishment			(7,618)	0
Gain on property dispositions	37,200	94,900	87,400	184,700
Income from discontinued operations	42,189	109,198	105,905	224,531
Noncontrolling interest - consolidated joint ventures	(3)	(232)	(170)	(1,010)
Income from discontinued operations available to common shareholders	41,273	106,430	103,315	218,887
Discontinued operations
Discontined Operations Income Statement [Line Items]
Capital expenditures	100	10,800	3,600	38,300
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues	8,498	23,911	33,593	73,613
Operating expenses	(3,117)	(5,329)	(10,903)	(17,276)
Depreciation and amortization	0	(2,666)	(2,129)	(11,138)
Impairment charges - real estate assets	(7,190)	0	(21,482)	0
Interest and other income (expense)	4	(31)	(57)	(132)
Income taxes	(5)	(28)	(298)	(83)
Loss on debt extinguishment	0	0	(7,618)	0
Interest expense	(429)	(1,537)	(1,653)	(5,142)
Gain on property dispositions	44,428	94,878	116,452	184,689
Income from discontinued operations	42,189	109,198	105,905	224,531
Noncontrolling interest - operating partnership	(916)	(2,544)	(2,404)	(5,232)
Noncontrolling interest - consolidated joint ventures	0	(224)	(186)	(412)
Income from discontinued operations available to common shareholders	$ 41,273	$ 106,430	$ 103,315	$ 218,887
Properties included in discontinued operations, held for sale
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						9
Properties included in discontinued operations, held for sale | Chicago/Minneapolis
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						1
Properties included in discontinued operations, held for sale | Philadelphia
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						6
Properties included in discontinued operations, held for sale | United Kingdom
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						2
Properties included in discontinued operations, sold
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						13	37
Properties included in discontinued operations, total
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						59
Properties included in continuing operations, held for sale
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						1
Properties included in continuing operations, sold
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						1	2
Properties included in continuing operations, total
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						4
Properties sold or classified as held for sale, held for sale
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings)					3	10
Acres of Developable Land (in acres) | a	74.4		74.4
Properties sold or classified as held for sale, sold
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						14	39
Properties sold or classified as held for sale, total
Discontined Operations Income Statement [Line Items]
Number of buildings (in buildings) | bldg						63

XML

Organization and Basis of Presentation

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Basis of Presentation

Organization and Basis of Presentation

Organization

Liberty Property Trust (the “Trust”) is a self-administered and self-managed Maryland real estate investment trust (a “REIT”). Substantially all of the Trust’s assets are owned directly or indirectly, and substantially all of the Trust’s operations are conducted directly or indirectly, by its subsidiary, Liberty Property Limited Partnership, a Pennsylvania limited partnership (the “Operating Partnership” and, together with the Trust and their consolidated subsidiaries, the “Company”). The Trust is the sole general partner and also a limited partner of the Operating Partnership, owning 97.8% of the common equity of the Operating Partnership at September 30, 2019. The Company owns and operates industrial properties in the United States nationally, as well as in the United Kingdom. Prior to the Company's proposed merger with Prologis, Inc. described in Note 17, the Company had intended to divest its remaining office properties (other than its headquarters) over the next few years and focus its efforts and capital solely on its industrial platform. Unless otherwise indicated, the notes to the Consolidated Financial Statements apply to both the Trust and the Operating Partnership. The terms the “Company,” “we,” “our” and “us” mean the Trust and Operating Partnership collectively.

The Operating Partnership is a variable interest entity (“VIE”) of the Trust as the limited partners do not have substantive kick-out or participating rights. The Trust is the primary beneficiary of the Operating Partnership as it has the power to direct the activities of the Operating Partnership and the rights to absorb 97.8% of the net income of the Operating Partnership. The Trust has no significant assets or liabilities other than its investment in the Operating Partnership. As the Operating Partnership is already consolidated in the balance sheets of the Trust, the identification of this entity as a VIE has no impact on the consolidated financial statements of the Trust. In addition, the Company holds a 20% interest in Liberty/Comcast 1701 JFK Boulevard, LP which was determined to be a VIE. The Company determined that it is not the primary beneficiary as the Company and its third party partner share control of the joint venture. The Company's maximum exposure to loss is equal to its equity investment in the joint venture which was $73.9 million and $75.1 million as of September 30, 2019 and December 31, 2018, respectively.

Basis of Presentation

The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with United States generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements and should be read in conjunction with the consolidated financial statements and notes thereto included in the Annual Report on Form 10-K of the Company for the year ended December 31, 2018. In the opinion of management, all adjustments (consisting solely of normal recurring adjustments) necessary for a fair presentation of the financial statements for these interim periods have been included. The results of interim periods are not necessarily indicative of the results to be obtained for a full fiscal year.

Revenue Recognition

In May 2014, the Financial Accounting Standards Board (“FASB”) issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”), which supersedes nearly all existing revenue recognition guidance (except revenue in the scope of other accounting standards, including standards related to leasing). Subsequently, the FASB issued supplementary standards providing additional guidance and targeted improvements to ASU 2014-09 (collectively, the “Revenue Standards”). The Revenue Standards provide a unified model to determine how revenue is recognized. In accordance with the Revenue Standards, the Company performs the following steps: (i) identify the contract with the customer, (ii) identify the performance obligations within the contract, (iii) determine the transaction price, (iv) allocate the transaction price to the performance obligations and (v) recognize revenue when (or as) a performance obligation is satisfied.

Upon adoption of the Revenue Standards, the Company evaluated each of its revenue streams: lease agreement revenue, development service fee revenue, deferred land sale revenue and gain or loss on sale of nonfinancial assets. The Company concluded that there are no revenue streams from its lease agreements that are covered by the Revenue Standards with the possible exception of non-lease components as further discussed below.

The Revenue Standards did not have an impact on the amount and timing of recognizing the Company's development service fee income. The Company recognizes development service fee income on a variable basis as a percentage of costs incurred on third party development contracts. Property development services, which are a single performance obligation, continue to be satisfied and recognized over time. The Company measures its progress toward completing the performance obligations under each arrangement. The measurement of the transfer of value to the customer for these services utilizes the input method (actual costs

incurred against anticipated project costs) since this method best depicts the actual transfer of value promised to the customer. Estimated expected losses on such contracts are accrued in the period in which they are determinable. The total amount of consideration to be received from these projects is assessed on a quarterly basis. Based on existing contracts, substantial completion is anticipated during 2020.

The Company recognizes revenues from improving land sites and selling the underlying land on behalf of its development partner to home builders in the United Kingdom. These agreements typically contain a pre-emption clause and a seller's call option. The Company recognizes revenue as the pre-emption period or seller's call option lapses utilizing the output method. There was $4.5 million and $10.4 million in revenue recognized for such contracts during the three and nine months ended September 30, 2019, respectively.

The Revenue Standards did not have an impact on the gain or loss on sale of nonfinancial assets. The Revenue Standards require the Company to derecognize nonfinancial assets once it transfers control of a distinct nonfinancial asset or distinct in-substance nonfinancial asset. Additionally, when the Company transfers its controlling interest in a nonfinancial asset, but retains a noncontrolling ownership interest, the Company is required to measure any noncontrolling interest it receives or retains at fair value. The guidance requires companies to recognize a full gain or loss on the transaction. See Notes 5 and 7 for further discussion of sales of nonfinancial assets during the nine months ended September 30, 2019.

Estimated gross revenue related to the remaining performance obligations under existing contracts (before allocation of related costs and expenses) as of September 30, 2019 that will be recognized as revenue in future periods was approximately $28.1 million, which is expected to be recognized in 2019 through 2022.

Recently Issued Accounting Standards

Leases

In February 2016, the FASB issued Accounting Standard Update 2016-02, Leases (“ASU 2016-02”). Additional guidance and targeted improvements to ASU 2016-02 were made through the issuances of supplementary ASUs in July 2018, December 2018 and March 2019 (collectively, the "New Lease Standard"). The New Lease Standard sets out the principles for the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). It 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 will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. The New Lease Standard requires lessors to account for leases using an approach that is substantially equivalent to prior guidance for sales type leases, direct financing leases and operating leases.

The New Lease Standards limit capitalization of certain initial direct costs which were capitalizable under previous lease standards. Such costs, which were expensed during the three and nine months ended September 30, 2019, were $0.1 million and $0.7 million, respectively.

The Company adopted the New Lease Standard on January 1, 2019 and applied it using a modified retrospective approach whereby the cumulative effect of the adoption was recognized on the adoption date and prior periods were not restated. There was no net cumulative effect adjustment to retained earnings as of January 1, 2019 as a result of this adoption.

The following practical expedients available for implementation were elected:

a. whether an expired or existing contract meets the definition of a lease

b. the lease classification at the adoption date for existing or expired leases

c. whether costs previously capitalized as initial direct costs would continue to be amortized

Additionally, the Company has elected the practical expedient not to recognize right of use assets and lease liabilities with a term of one year or less.

The Company's leases met the criteria in the New Lease Standard to not separate non-lease components from the related lease component; therefore, the accounting for these leases remained largely unchanged from the previous standard. The Company has elected to exclude sales and other similar taxes from the measurement of lease revenue and expense and the Company has excluded those costs paid directly by lessees to third parties.

Lessee Disclosure

As of September 30, 2019, the Company had a total of five properties subject to operating ground leases in Florida, New Jersey, Kentucky and the United Kingdom with a weighted average remaining term of 47 years. These leases have remaining terms of 11 to 110 years, expiration dates of June 2030 to June 2129, and renewal options of 25 to 48 years. The Company has included in the lease terms renewal options up to the useful life of the asset constructed on the land. Payments for certain properties are subject

to increases at five year intervals based upon the agreed or appraised fair market value of the leased premises on the adjustment date or the Consumer Price Index percentage increase since the base rent date. These future changes in payments are considered variable payments and do not impact the assessment of the asset or liability unless there is a significant event that triggers reassessment, such as an amendment with a change in the terms of the lease. The Company used discount rates in a range of 4.1% to 5.0% for a weighted average discount rate of 4.6%, which was derived from the Company's assessment of credit quality of the Company adjusted to reflect secured borrowing, estimated yield curves and long-term spread adjustments over appropriate tenures. The Company also leases office space from unrelated third-parties. The Company recognized lease expense of $0.5 million and $1.5 million during the three and nine months ended September 30, 2019, respectively, of which $0.5 million and $1.4 million, respectively, was paid in cash. The following schedule indicates the approximate future minimum lease payments for the ground and office leases as of September 30, 2019:

Year	Amount
	(in thousands)
2019 (remainder of year)	$	373
2020	1,370
2021	1,234
2022	1,136
2023	1,035
Thereafter	40,684
Total minimum payments	$	45,832
Imputed interest	(26,941		)
Amortization	(512		)
Lease liabilities	$	18,379
Deferred rent	(715		)
Right of use asset	$	17,664

As noted above, the Company adopted the New Lease Standard effective January 1, 2019. Since the Company has applied the provisions on a modified retrospective basis, the following represents approximate future minimum lease payments by year as of December 31, 2018, as applicable under ASC 840, Leases, prior to the adoption of the New Lease Standard.

Year	Amount
	(in thousands)
2019	$	1,512
2020	1,356
2021	1,205
2022	1,082
2023	981
Thereafter	40,799
	$	46,935

The Company recorded ground lease expense of $1.5 million for the year ended December 31, 2018.

Lessor Disclosures

The Company leases its operating properties to customers under agreements that are classified as operating leases. It manages residual risk through investing in properties that it believes will appreciate in value over time.

Substantially all of the Company's operating leases contain provisions for specified annual increases over the rents of the prior year. Rental income from operating leases is generally recognized on a straight-line basis over the lease term when the Company has determined that the collectibility of substantially all the lease payments is probable. If the Company determines that it is not probable that substantially all of the lease payments will be collected, the Company accounts for the revenue under the lease on a cash basis. Changes in the assessment of probability are accounted for on a cumulative basis as if the lease had always been accounted for based on the current determination of the likelihood of collection potentially resulting in increased volatility of rental revenue. Some of the Company's leases have options to extend, terminate or purchase the facilities, which are considered

when determining the lease term. Tenant rights to purchase an underlying asset are typically at prevailing market rates at the time of purchase. The Company does not include in the measurement of lease receivables certain variable payments, including changes in an index, until the specific events that trigger the variable payments have occurred.

Generally operating leases require the tenants to reimburse the Company for property tax and other expenditures that are not considered components of the lease and therefore no consideration is allocated to them as they do not result in the transfer of a good or service to the tenants. The Company has determined that all of its leases qualify for the practical expedient to not separate the lease and non-lease components because (i) the lease components are operating leases and (ii) the timing and pattern of recognition of the non-lease components are the same as the lease components. The Company applies the New Lease Standard to the combined component. Income derived from the Company's leases is recorded in rental revenue in the Company's consolidated statements of comprehensive income. Certain tenants are obligated to pay directly their obligations under their leases for real estate taxes, insurance and certain other expenses. These obligations, which have been assumed by the tenants under the terms of their respective leases, are not reflected in the Company's consolidated financial statements. To the extent any tenant responsible for these obligations under the respective lease defaults on its lease or if it is deemed probable that the tenant will fail to pay for such costs, the Company would record a liability for such obligation.

The following details the rental income and variable lease income for the three and nine months ended September 30, 2019 (in thousands):

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Rental income - operating leases - continuing operations	$	127,125	$	371,744
Rental income - operating leases - discontinued operations	6,233		25,481
Variable lease income - operating leases - continuing operations	35,787		107,900
Variable lease income - operating leases - discontinued operations	2,265		8,112

The following amounts reflect the estimated contractual rents due to the Company for the remainder of terms of the Company's operating leases as of September 30, 2019:

	(in thousands)
Remainder of 2019	$	220,242
2020	500,908
2021	452,679
2022	382,294
2023	314,211
2024	259,139
Thereafter	977,267
Total	$	3,106,740

Other

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities ("ASU 2017-12"). ASU 2017-12 is designed to better align a company’s financial reporting for hedging activities with the economic objectives of those activities. The Company adopted ASU 2017-12 on January 1, 2019 and it did not have a material impact on the Company's consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Intangibles - Goodwill and Other - Internal-Use Software: Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract ("ASU 2018-15"). ASU 2018-15 amends the definition of a hosting arrangement and requires a customer in a hosting arrangement that is a service contract to capitalize certain implementation costs as if the arrangement was an internal-use software project. ASU 2018-15 is effective for the Company beginning January 1, 2020. The Company does not anticipate the impact of ASU 2018-15 will have a material impact on the consolidated financial statements.

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Limited Partners' Equity and Noncontrolling Interest of the Operating Partnership (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Limited Partners' Capital Account [Line Items]
Limited Partners' common units outstanding	3,500,000	3,520,205
Liberty Property Limited Partnership
Limited Partners' Capital Account [Line Items]
Limited Partners' common units outstanding	3,500,000	3,520,205
Market value of common units based on closing price	$ 179.3

XML

Consolidated Statements of 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
REVENUE
Rental revenue	$ 162,912	$ 148,330	$ 479,644	$ 439,812
Development service fee income	257	12,956	2,099	59,132
Total revenue	163,169	161,286	481,743	498,944
EXPENSES
Rental property	12,012	12,871	39,780	39,340
Real estate taxes	23,001	22,693	68,862	65,988
General and administrative	10,186	9,807	35,483	32,747
Leasing expense	3,082	2,610	9,608	8,189
Other Cost and Expense, Operating	3,166	3,169	8,690	7,467
Interest expense	25,791	23,133	76,644	66,189
Depreciation and amortization	43,972	41,004	130,402	120,586
Development service fee expense	168	12,924	1,848	120,799
Impairment charges - real estate assets			99	26,000
Total expenses	121,378	128,211	371,416	487,305
OTHER INCOME (EXPENSE)
Interest and other income	2,630	3,474	13,887	8,737
Gain on property dispositions	15,168	2,002	21,125	54,705
Equity in earnings of unconsolidated joint ventures	1,776	6,766	10,966	20,958
Income from continuing operations before income taxes	61,365	45,317	156,305	96,039
Income taxes	(878)	(444)	(1,449)	(1,884)
Income from continuing operations	60,487	44,873	154,856	94,155
Income from discontinued operations	42,189	109,198	105,905	224,531
Net income	102,676	154,071	260,761	318,686
Noncontrolling interest - operating partnership	(2,309)	(3,696)	(6,126)	(7,738)
Noncontrolling interest - consolidated joint ventures	(3)	(232)	(170)	(1,010)
Net income available to common shareholders	100,364	150,143	254,465	309,938
Comprehensive income attributable to common shareholders
Net income	102,676	154,071	260,761	318,686
Other comprehensive loss - foreign currency translation	(7,056)	(3,015)	(7,574)	(9,221)
Other comprehensive income (loss) - derivative instruments	83	6	(1,887)	493
Other comprehensive income	(6,973)	(3,009)	(9,461)	(8,728)
Total comprehensive income	95,703	151,062	251,300	309,958
Less: comprehensive income attributable to noncontrolling interest	(2,463)	(3,858)	(6,390)	(8,545)
Comprehensive income attributable to parent	$ 93,240	$ 147,204	$ 244,910	$ 301,413
Weighted average number of common shares or units outstanding
Basic (in shares)	150,140	147,324	148,532	147,241
Diluted (in shares)	150,979	148,271	149,383	148,160
Amounts attributable to common shareholders or unitholders
Income from continuing operations net of noncontrolling interest	$ 59,091	$ 43,713	$ 151,150	$ 91,051
Income from discontinued operations	41,273	106,430	103,315	218,887
Net income available to common shareholders	100,364	150,143	254,465	309,938
Liberty Property Limited Partnership
REVENUE
Rental revenue	162,912	148,330	479,644	439,812
Development service fee income	257	12,956	2,099	59,132
Total revenue	163,169	161,286	481,743	498,944
EXPENSES
Rental property	12,012	12,871	39,780	39,340
Real estate taxes	23,001	22,693	68,862	65,988
General and administrative	10,186	9,807	35,483	32,747
Leasing expense	3,082	2,610	9,608	8,189
Other Cost and Expense, Operating	3,166	3,169	8,690	7,467
Interest expense	25,791	23,133	76,644	66,189
Depreciation and amortization	43,972	41,004	130,402	120,586
Development service fee expense	168	12,924	1,848	120,799
Impairment charges - real estate assets			99	26,000
Total expenses	121,378	128,211	371,416	487,305
OTHER INCOME (EXPENSE)
Interest and other income	2,630	3,474	13,887	8,737
Gain on property dispositions	15,168	2,002	21,125	54,705
Equity in earnings of unconsolidated joint ventures	1,776	6,766	10,966	20,958
Income from continuing operations before income taxes	61,365	45,317	156,305	96,039
Income taxes	(878)	(444)	(1,449)	(1,884)
Income from continuing operations	60,487	44,873	154,856	94,155
Income from discontinued operations	42,189	109,198	105,905	224,531
Net income	102,676	154,071	260,761	318,686
Noncontrolling interest - consolidated joint ventures	(3)	(232)	(170)	(1,010)
Preferred unit distributions	(83)	(118)	(251)	(354)
Net income available to common shareholders	102,590	153,721	260,340	317,322
Comprehensive income attributable to common shareholders
Net income	102,676	154,071	260,761	318,686
Other comprehensive loss - foreign currency translation	(7,056)	(3,015)	(7,574)	(9,221)
Other comprehensive income (loss) - derivative instruments	83	6	(1,887)	493
Other comprehensive income	(6,973)	(3,009)	(9,461)	(8,728)
Total comprehensive income	$ 95,703	$ 151,062	$ 251,300	$ 309,958
Weighted average number of common shares or units outstanding
Basic (in shares)	153,646	150,844	152,045	150,761
Diluted (in shares)	154,485	151,791	152,896	151,680
Amounts attributable to common shareholders or unitholders
Income from continuing operations net of noncontrolling interest	$ 60,484	$ 44,865	$ 154,872	$ 93,557
Income from discontinued operations	42,189	108,974	105,719	224,119
Net income available to common shareholders	102,590	153,721	260,340	317,322
Net income allocated to general partners	100,364	150,143	254,465	309,938
Net income allocated to limited partners	$ 2,309	$ 3,696	$ 6,126	$ 7,738
Common Units | Liberty Property Limited Partnership
Basic:
Income from continuing operations (in usd per share)	$ 0.39	$ 0.30	$ 1.02	$ 0.62
Income from discontinued operations (in usd per share)	0.28	0.72	0.69	1.48
Earnings Per Share, Basic	0.67	1.02	1.71	2.10
Diluted:
Income from continuing operations (in usd per share)	0.39	0.29	1.01	0.61
Income from discontinued operations (in usd per share)	0.27	0.72	0.69	1.48
Earnings Per Share, Diluted	0.66	1.01	1.70	2.09
Common shares
Basic:
Income from continuing operations (in usd per share)	0.39	0.30	1.02	0.62
Income from discontinued operations (in usd per share)	0.28	0.72	0.69	1.48
Earnings Per Share, Basic	0.67	1.02	1.71	2.10
Diluted:
Income from continuing operations (in usd per share)	0.39	0.29	1.01	0.61
Income from discontinued operations (in usd per share)	0.27	0.72	0.69	1.48
Earnings Per Share, Diluted	$ 0.66	$ 1.01	$ 1.70	$ 2.09

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Organization and Basis of Presentation - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Sep. 30, 2019
Ground Leases Disclosures [Abstract]
2019 (remainder of year)		$ 373
2020		1,370
2021		1,234
2022		1,136
2023		1,035
Thereafter		40,684
Total minimum payments		45,832
Imputed interest		(26,941)
Amortization		(512)
Lease liabilities	$ 0	18,379
Deferred rent		(715)
Right of use asset	0	17,664
Leases, Operating [Abstract]
2019	1,512
2020	1,356
2021	1,205
2022	1,082
2023	981
Thereafter	40,799
Future minimum payments due	46,935
Leasing expense	$ 1,500
Operating Leases Receivable
Remainder of 2019		220,242
2020		500,908
2021		452,679
2022		382,294
2023		314,211
2024		259,139
Thereafter		977,267
Total		$ 3,106,740

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Supplemental Disclosure to Statements of Cash Flows (Tables)

9 Months Ended

Sep. 30, 2019

Supplemental Cash Flow Information [Abstract]

Schedule of supplemental disclosure to statement of cash flows

The following is a reconciliation of the Company's cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2019 and 2018 (amounts in thousands):

	2019		2018
Cash and cash equivalents at beginning of period	$	84,923	$	11,882
Restricted cash at beginning of period	10,899		13,803
Cash and cash equivalents and restricted cash at beginning of period	$	95,822	$	25,685
Cash and cash equivalents at end of period	$	514,882	$	17,770
Restricted cash at end of period	14,006		13,371
Cash and cash equivalents and restricted cash at end of period	$	528,888	$	31,141

The following are supplemental disclosures to the consolidated statements of cash flows for the nine months ended September 30, 2019 and 2018 (amounts in thousands):

	2019			2018
Write-off of fully depreciated/amortized property and deferred costs - properties included in continuing operations	$	2,218		$	7,197
Write-off of fully depreciated/amortized property and deferred costs - properties included in discontinued operations	$	—		$	11,789
Write-off of depreciated property and deferred costs due to sale/demolition - properties included in continuing operations	$	1,642		$	20,273
Write-off of depreciated property and deferred costs due to sale and related debt repayment - properties included in discontinued operations	$	51,455		$	99,072
Changes in accrued development capital expenditures - properties included in continuing operations	$	(4,436	)	$	12,361
Changes in accrued development capital expenditures - properties included in discontinued operations	$	—		$	(4,628	)
Unrealized (loss) gain on cash flow hedge	$	(1,887	)	$	493
Capitalized equity-based compensation	$	915		$	727

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Income per Common Share of the Trust - Options Exercised (Details) - shares	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Stock Option | Common shares
Stock Option Exercises [Line Items]
Amount of options exercised in period	251,000	374,000	151,000

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Derivative Instruments Derivative Instruments (Policies)

9 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives, Policy [Policy Text Block]

The Company borrows funds at a combination of fixed and variable rates. Borrowings under the Company's revolving credit facility and certain bank mortgage loans bear interest at variable rates. Other long-term debt typically bears interest at fixed rates. The Company's interest rate risk management objectives are to limit generally the impact of interest rate changes on earnings and cash flows and to lower the Company's overall borrowing costs. To achieve these objectives, from time to time, the Company enters into interest rate hedge contracts such as collars, swaps, caps and treasury lock agreements in order to mitigate our interest rate risk with respect to various debt instruments. The Company generally does not hold or issue these derivative contracts for trading or speculative purposes.

Interest rate swaps involve the receipt of variable-rate amounts from a counterparty in exchange for making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. The changes in the fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive loss and noncontrolling interest (for the Trust) and general partner's equity and limited partners’ equity - common units (for the Operating Partnership) and is subsequently reclassified into interest expense in the period that the hedged forecasted transaction affects earnings.

The Company determines the fair value of its interest rate swaps by netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to be not significant inputs for the fair value calculations for the periods presented.

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Derivative Instruments

9 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

The Company borrows funds at a combination of fixed and variable rates. Borrowings under the Company's revolving credit facility and certain bank mortgage loans bear interest at variable rates. Other long-term debt typically bears interest at fixed rates. The Company's interest rate risk management objectives are to limit generally the impact of interest rate changes on earnings and cash flows and to lower the Company's overall borrowing costs. To achieve these objectives, from time to time, the Company enters into interest rate hedge contracts such as collars, swaps, caps and treasury lock agreements in order to mitigate our interest rate risk with respect to various debt instruments. The Company generally does not hold or issue these derivative contracts for trading or speculative purposes.

Interest rate swaps involve the receipt of variable-rate amounts from a counterparty in exchange for making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. The changes in the fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive loss and noncontrolling interest (for the Trust) and general partner's equity and limited partners’ equity - common units (for the Operating Partnership) and is subsequently reclassified into interest expense in the period that the hedged forecasted transaction affects earnings.

The Company determines the fair value of its interest rate swaps by netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to be not significant inputs for the fair value calculations for the periods presented.

The Company holds an interest in two interest rate swap contracts (“Swaps”) that eliminate the impact of changes in interest rates on the payments required under variable rate mortgages. The Swaps had aggregate notional amounts of $65.1 million and $66.8 million at September 30, 2019 and December 31, 2018, respectively, and expire in 2020.

In addition, in late 2018, in anticipation of conducting the offering of senior notes described in Note 11, the Operating Partnership entered into two interest rate lock agreements tied to the U.S. treasury rate for an aggregate notional amount of $200 million. An interest rate lock is a tool used to manage interest-rate risk by effectively securing interest rates on federal government securities as of the agreement date. One agreement had a notional amount of $100 million and was settled in 2018 for $2.4 million. The second agreement had a notional amount of $100 million and was settled in 2019 for $3.3 million. The interest rate lock agreements qualified as cash flow hedges with respect to the senior notes offering and, as such, the settlements of $5.7 million are being amortized into interest expense over the respective term of the notes.

The Company accounts for the changes in the fair value of a derivative in accumulated other comprehensive loss and subsequently reclassifies amounts to earnings over the term that the hedged transaction affects earnings.

The following table presents the location in the financial statements of the gains or losses recognized related to the Company’s cash flow hedges for the three and nine months ended September 30, 2019 and 2018 (in thousands):

	Three Months Ended				Nine Months Ended
	September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
Amount of gain related to the effective portion recognized in other comprehensive (loss) income	$	13	$	69	$	424	$	619
Total Amount of Interest Expense Presented in the Consolidated Statements of Comprehensive Income	25,791		23,133		76,644		66,189

The following table presents the fair value of the Company’s derivative financial instruments as well as their classification on the accompanying consolidated balance sheets as of September 30, 2019 and December 31, 2018 (amounts in thousands):

	Derivatives
		Fair Value at:
	Balance Sheet Location	September 30, 2019		December 31, 2018
Derivatives designated as hedging instruments:
Interest Rate Swaps	Other Liabilities	$	345	$	677
Interest Rate Treasury Locks	Other Liabilities	—		3,972
Total		$	345	$	4,649

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on the Company’s debt. The Company estimates that $0.5 million will be reclassified from accumulated other comprehensive loss as an increase to interest expense over the next 12 months.

The Company has agreements with its derivative counterparties that contain a provision whereby if the Company defaults on any of its indebtedness, including defaults where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default on its derivative obligations. If the Company were to breach any of the contractual provisions of the derivative contracts, it would be required to settle its obligations under the agreements at their termination value including accrued interest, which totaled approximately $0.3 million as of September 30, 2019.

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Organization and Basis of Presentation (Policy)

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Recently Issued Accounting Standards

Revenue Recognition

In May 2014, the Financial Accounting Standards Board (“FASB”) issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”), which supersedes nearly all existing revenue recognition guidance (except revenue in the scope of other accounting standards, including standards related to leasing). Subsequently, the FASB issued supplementary standards providing additional guidance and targeted improvements to ASU 2014-09 (collectively, the “Revenue Standards”). The Revenue Standards provide a unified model to determine how revenue is recognized. In accordance with the Revenue Standards, the Company performs the following steps: (i) identify the contract with the customer, (ii) identify the performance obligations within the contract, (iii) determine the transaction price, (iv) allocate the transaction price to the performance obligations and (v) recognize revenue when (or as) a performance obligation is satisfied.

Upon adoption of the Revenue Standards, the Company evaluated each of its revenue streams: lease agreement revenue, development service fee revenue, deferred land sale revenue and gain or loss on sale of nonfinancial assets. The Company concluded that there are no revenue streams from its lease agreements that are covered by the Revenue Standards with the possible exception of non-lease components as further discussed below.

The Revenue Standards did not have an impact on the amount and timing of recognizing the Company's development service fee income. The Company recognizes development service fee income on a variable basis as a percentage of costs incurred on third party development contracts. Property development services, which are a single performance obligation, continue to be satisfied and recognized over time. The Company measures its progress toward completing the performance obligations under each arrangement. The measurement of the transfer of value to the customer for these services utilizes the input method (actual costs

incurred against anticipated project costs) since this method best depicts the actual transfer of value promised to the customer. Estimated expected losses on such contracts are accrued in the period in which they are determinable. The total amount of consideration to be received from these projects is assessed on a quarterly basis. Based on existing contracts, substantial completion is anticipated during 2020.

The Company recognizes revenues from improving land sites and selling the underlying land on behalf of its development partner to home builders in the United Kingdom. These agreements typically contain a pre-emption clause and a seller's call option. The Company recognizes revenue as the pre-emption period or seller's call option lapses utilizing the output method. There was $4.5 million and $10.4 million in revenue recognized for such contracts during the three and nine months ended September 30, 2019, respectively.

The Revenue Standards did not have an impact on the gain or loss on sale of nonfinancial assets. The Revenue Standards require the Company to derecognize nonfinancial assets once it transfers control of a distinct nonfinancial asset or distinct in-substance nonfinancial asset. Additionally, when the Company transfers its controlling interest in a nonfinancial asset, but retains a noncontrolling ownership interest, the Company is required to measure any noncontrolling interest it receives or retains at fair value. The guidance requires companies to recognize a full gain or loss on the transaction. See Notes 5 and 7 for further discussion of sales of nonfinancial assets during the nine months ended September 30, 2019.

Estimated gross revenue related to the remaining performance obligations under existing contracts (before allocation of related costs and expenses) as of September 30, 2019 that will be recognized as revenue in future periods was approximately $28.1 million, which is expected to be recognized in 2019 through 2022.

Recently Issued Accounting Standards

Leases

In February 2016, the FASB issued Accounting Standard Update 2016-02, Leases (“ASU 2016-02”). Additional guidance and targeted improvements to ASU 2016-02 were made through the issuances of supplementary ASUs in July 2018, December 2018 and March 2019 (collectively, the "New Lease Standard"). The New Lease Standard sets out the principles for the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). It 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 will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. The New Lease Standard requires lessors to account for leases using an approach that is substantially equivalent to prior guidance for sales type leases, direct financing leases and operating leases.

The New Lease Standards limit capitalization of certain initial direct costs which were capitalizable under previous lease standards. Such costs, which were expensed during the three and nine months ended September 30, 2019, were $0.1 million and $0.7 million, respectively.

The Company adopted the New Lease Standard on January 1, 2019 and applied it using a modified retrospective approach whereby the cumulative effect of the adoption was recognized on the adoption date and prior periods were not restated. There was no net cumulative effect adjustment to retained earnings as of January 1, 2019 as a result of this adoption.

The following practical expedients available for implementation were elected:

a. whether an expired or existing contract meets the definition of a lease

b. the lease classification at the adoption date for existing or expired leases

c. whether costs previously capitalized as initial direct costs would continue to be amortized

Additionally, the Company has elected the practical expedient not to recognize right of use assets and lease liabilities with a term of one year or less.

The Company's leases met the criteria in the New Lease Standard to not separate non-lease components from the related lease component; therefore, the accounting for these leases remained largely unchanged from the previous standard. The Company has elected to exclude sales and other similar taxes from the measurement of lease revenue and expense and the Company has excluded those costs paid directly by lessees to third parties.

Lessee Disclosure

As of September 30, 2019, the Company had a total of five properties subject to operating ground leases in Florida, New Jersey, Kentucky and the United Kingdom with a weighted average remaining term of 47 years. These leases have remaining terms of 11 to 110 years, expiration dates of June 2030 to June 2129, and renewal options of 25 to 48 years. The Company has included in the lease terms renewal options up to the useful life of the asset constructed on the land. Payments for certain properties are subject

to increases at five year intervals based upon the agreed or appraised fair market value of the leased premises on the adjustment date or the Consumer Price Index percentage increase since the base rent date. These future changes in payments are considered variable payments and do not impact the assessment of the asset or liability unless there is a significant event that triggers reassessment, such as an amendment with a change in the terms of the lease. The Company used discount rates in a range of 4.1% to 5.0% for a weighted average discount rate of 4.6%, which was derived from the Company's assessment of credit quality of the Company adjusted to reflect secured borrowing, estimated yield curves and long-term spread adjustments over appropriate tenures. The Company also leases office space from unrelated third-parties. The Company recognized lease expense of $0.5 million and $1.5 million during the three and nine months ended September 30, 2019, respectively, of which $0.5 million and $1.4 million, respectively, was paid in cash. The following schedule indicates the approximate future minimum lease payments for the ground and office leases as of September 30, 2019:

Year	Amount
	(in thousands)
2019 (remainder of year)	$	373
2020	1,370
2021	1,234
2022	1,136
2023	1,035
Thereafter	40,684
Total minimum payments	$	45,832
Imputed interest	(26,941		)
Amortization	(512		)
Lease liabilities	$	18,379
Deferred rent	(715		)
Right of use asset	$	17,664

As noted above, the Company adopted the New Lease Standard effective January 1, 2019. Since the Company has applied the provisions on a modified retrospective basis, the following represents approximate future minimum lease payments by year as of December 31, 2018, as applicable under ASC 840, Leases, prior to the adoption of the New Lease Standard.

Year	Amount
	(in thousands)
2019	$	1,512
2020	1,356
2021	1,205
2022	1,082
2023	981
Thereafter	40,799
	$	46,935

The Company recorded ground lease expense of $1.5 million for the year ended December 31, 2018.

Lessor Disclosures

The Company leases its operating properties to customers under agreements that are classified as operating leases. It manages residual risk through investing in properties that it believes will appreciate in value over time.

Substantially all of the Company's operating leases contain provisions for specified annual increases over the rents of the prior year. Rental income from operating leases is generally recognized on a straight-line basis over the lease term when the Company has determined that the collectibility of substantially all the lease payments is probable. If the Company determines that it is not probable that substantially all of the lease payments will be collected, the Company accounts for the revenue under the lease on a cash basis. Changes in the assessment of probability are accounted for on a cumulative basis as if the lease had always been accounted for based on the current determination of the likelihood of collection potentially resulting in increased volatility of rental revenue. Some of the Company's leases have options to extend, terminate or purchase the facilities, which are considered

when determining the lease term. Tenant rights to purchase an underlying asset are typically at prevailing market rates at the time of purchase. The Company does not include in the measurement of lease receivables certain variable payments, including changes in an index, until the specific events that trigger the variable payments have occurred.

Generally operating leases require the tenants to reimburse the Company for property tax and other expenditures that are not considered components of the lease and therefore no consideration is allocated to them as they do not result in the transfer of a good or service to the tenants. The Company has determined that all of its leases qualify for the practical expedient to not separate the lease and non-lease components because (i) the lease components are operating leases and (ii) the timing and pattern of recognition of the non-lease components are the same as the lease components. The Company applies the New Lease Standard to the combined component. Income derived from the Company's leases is recorded in rental revenue in the Company's consolidated statements of comprehensive income. Certain tenants are obligated to pay directly their obligations under their leases for real estate taxes, insurance and certain other expenses. These obligations, which have been assumed by the tenants under the terms of their respective leases, are not reflected in the Company's consolidated financial statements. To the extent any tenant responsible for these obligations under the respective lease defaults on its lease or if it is deemed probable that the tenant will fail to pay for such costs, the Company would record a liability for such obligation.

The following details the rental income and variable lease income for the three and nine months ended September 30, 2019 (in thousands):

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Rental income - operating leases - continuing operations	$	127,125	$	371,744
Rental income - operating leases - discontinued operations	6,233		25,481
Variable lease income - operating leases - continuing operations	35,787		107,900
Variable lease income - operating leases - discontinued operations	2,265		8,112

The following amounts reflect the estimated contractual rents due to the Company for the remainder of terms of the Company's operating leases as of September 30, 2019:

	(in thousands)
Remainder of 2019	$	220,242
2020	500,908
2021	452,679
2022	382,294
2023	314,211
2024	259,139
Thereafter	977,267
Total	$	3,106,740

Other

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities ("ASU 2017-12"). ASU 2017-12 is designed to better align a company’s financial reporting for hedging activities with the economic objectives of those activities. The Company adopted ASU 2017-12 on January 1, 2019 and it did not have a material impact on the Company's consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Intangibles - Goodwill and Other - Internal-Use Software: Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract ("ASU 2018-15"). ASU 2018-15 amends the definition of a hosting arrangement and requires a customer in a hosting arrangement that is a service contract to capitalize certain implementation costs as if the arrangement was an internal-use software project. ASU 2018-15 is effective for the Company beginning January 1, 2020. The Company does not anticipate the impact of ASU 2018-15 will have a material impact on the consolidated financial statements.

Segment Reporting

The Company evaluates the performance of its reportable segments based on net operating income. Net operating income includes operating revenue from external customers, real estate taxes, amortization of lease transaction costs and other operating expenses which relate directly to the management and operation of the assets within each reportable segment.

The Company's accounting policies for the segments are the same as those used in the Company's consolidated financial statements.

Discontinued Operations

The Company determined that the strategic shift would have a major effect on its operations and financial results. As such, properties sold or those that meet the criteria to be classified as held for sale within the corporate strategy were classified within discontinued operations. Consistent with the held for sale criteria these properties are expected to be sold within one year. As a result of the classification within discontinued operations, the in-service assets and liabilities of this portfolio are required to be presented as held for sale for all prior periods presented in our Consolidated Balance Sheets. Operating results pertaining to these properties were reclassified to discontinued operations for all prior periods presented in our Consolidated Statements of Comprehensive Income.

Fair Value of Financial Instruments

ASC 820, Fair Value Measurements and Disclosures, provides guidance on the fair value measurement of a financial asset or liability. Inputs used to develop fair value are classified in one of three categories: Level 1 inputs (quoted prices (unadjusted) in active markets for identical assets or liabilities), Level 2 inputs (inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly) and Level 3 inputs (unobservable inputs for the asset or liability).

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies. However, considerable judgment is necessary to interpret market data and develop estimated fair value. Accordingly, the following estimates are not necessarily indicative of the amounts the Company could have realized on disposition of the financial instruments at December 31, 2018 and September 30, 2019. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

The carrying value of cash and cash equivalents, restricted cash, accounts receivable, accounts payable, accrued interest, dividend and distributions payable and other liabilities are reasonable estimates of fair value because of the short-term nature of these instruments. The carrying value of the outstanding amounts under the Company's credit facilities is a reasonable estimate of fair value because interest rates float at a rate based on LIBOR.

The Company determines the fair value of its interest rate swaps by using the standard methodology of netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to not be significant inputs for the fair value calculations for the periods presented. See Note 14 - Derivative Instruments.

The Company used a discounted cash flow model to determine the estimated fair value of its debt as of December 31, 2018 and September 30, 2019. This is a Level 3 fair value calculation. The inputs used in preparing the discounted cash flow model include actual maturity dates and scheduled cash flows as well as estimates for market value discount rates. The Company updates the discounted cash flow model on a quarterly basis to reflect any changes in the Company's debt holdings and changes to discount rate assumptions.

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Accumulated Other Comprehensive Income

9 Months Ended

Sep. 30, 2019

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income

Accumulated Other Comprehensive Loss

The following table sets forth the components of Accumulated Other Comprehensive Loss (in thousands):

	As of and for the nine months ended September 30,
	2019			2018
Foreign Currency Translation:
Beginning balance	$	(52,862	)	$	(38,701	)
Translation adjustment	(7,574		)	(9,221		)
Ending balance	(60,436		)	(47,922		)
Derivative Instruments:
Beginning balance	(3,550		)	150
Unrealized gain	(1,820		)	620
Reclassification adjustment (1)	(67		)	(127		)
Ending balance	(5,437		)	643
Total accumulated other comprehensive loss	(65,873		)	(47,279		)
Less: portion included in noncontrolling interest – operating partnership	1,377			957
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity	$	(64,496	)	$	(46,322	)

(1)

Amounts reclassified out of Accumulated Other Comprehensive Loss/General & Limited Partner's Equity into contractual interest expense.

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Noncontrolling Interests of the Trust

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Attributable to Noncontrolling Interest [Abstract]

Noncontrolling Interests of the Trust

Noncontrolling Interests of the Trust

Noncontrolling interests in the accompanying financial statements represent the interests of the common and preferred units in the Operating Partnership not held by the Trust. In addition, noncontrolling interests include third-party ownership interests in consolidated joint venture investments.

Common units

The common units of the Operating Partnership not held by the Trust outstanding as of September 30, 2019 have the same economic characteristics as common shares of the Trust. The 3.5 million outstanding common units of the Operating Partnership not held by the Trust share proportionately in the net income or loss and in any distributions of the Operating Partnership. The common units of the Operating Partnership not held by the Trust are redeemable at any time at the option of the holder. The Trust, as the sole general partner of the Operating Partnership, may at its option elect to settle the redemption in cash or through the exchange on a one-for-one basis with unregistered common shares of the Trust. The market value of the 3.5 million outstanding common units based on the closing price of the common shares of the Trust at September 30, 2019 was $179.3 million.

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Disclosure of Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2019

Debt Instrument, Fair Value Disclosure [Abstract]

Disclosure of Fair Value of Financial Instruments

Fair Value of Financial Instruments

ASC 820, Fair Value Measurements and Disclosures, provides guidance on the fair value measurement of a financial asset or liability. Inputs used to develop fair value are classified in one of three categories: Level 1 inputs (quoted prices (unadjusted) in active markets for identical assets or liabilities), Level 2 inputs (inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly) and Level 3 inputs (unobservable inputs for the asset or liability).

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies. However, considerable judgment is necessary to interpret market data and develop estimated fair value. Accordingly, the following estimates are not necessarily indicative of the amounts the Company could have realized on disposition of the financial instruments at December 31, 2018 and September 30, 2019. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

The carrying value of cash and cash equivalents, restricted cash, accounts receivable, accounts payable, accrued interest, dividend and distributions payable and other liabilities are reasonable estimates of fair value because of the short-term nature of these instruments. The carrying value of the outstanding amounts under the Company's credit facilities is a reasonable estimate of fair value because interest rates float at a rate based on LIBOR.

The Company determines the fair value of its interest rate swaps by using the standard methodology of netting discounted future fixed cash payments with the discounted expected variable cash receipts. These variable cash receipts of interest rate swaps are based on expectations of future LIBOR interest rates (forward curves) estimated by observing market LIBOR interest rate curves. This is a Level 2 fair value calculation. Also, credit valuation adjustments are factored into the fair value calculations to account for potential nonperformance risk. These credit valuation adjustments were concluded to not be significant inputs for the fair value calculations for the periods presented. See Note 14 - Derivative Instruments.

The Company used a discounted cash flow model to determine the estimated fair value of its debt as of December 31, 2018 and September 30, 2019. This is a Level 3 fair value calculation. The inputs used in preparing the discounted cash flow model include actual maturity dates and scheduled cash flows as well as estimates for market value discount rates. The Company updates the discounted cash flow model on a quarterly basis to reflect any changes in the Company's debt holdings and changes to discount rate assumptions.

The following summarizes the fair value of the Company's mortgage loans and unsecured notes as of December 31, 2018 and September 30, 2019 (in thousands):

	Mortgage Loans				Unsecured Notes
	Carrying Value		Fair Value		Carrying Value		Fair Value
As of December 31, 2018	$	395,202	$	397,167	$	2,285,698	$	2,295,699
As of September 30, 2019	$	297,326	$	304,689	$	2,633,941	$	2,821,931

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Impairment and Disposal of Long-Lived Assets Impairment and Disposal of Long-Lived Assets (Tables)

9 Months Ended

Sep. 30, 2019

Discontinued Operations and Disposal Groups [Abstract]

Schedule of disposal groups

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

	September 30, 2019									December 31, 2018
	Included in Continuing Operations			Included in Discontinued Operations			Total			Included in Continuing Operations			Included in Discontinued Operations			Total
Land and land improvements	$	613		$	19,210		$	19,823		$	1,301		$	113,080		$	114,381
Buildings and improvements	8,541			174,595			183,136			5,638			384,737			390,375
Development in progress	—			10,108			10,108			—			9,597			9,597
Land held for development	19,420			—			19,420			26,253			—			26,253
Accumulated depreciation	(3,745		)	(21,592		)	(25,337		)	(1,546		)	(70,242		)	(71,788		)
Deferred financing and leasing costs, net	717			7,910			8,627			58			13,697			13,755
Other assets	756			9,971			10,727			164			19,470			19,634
Total assets held for sale	$	26,302		$	200,202		$	226,504		$	31,868		$	470,339		$	502,207
Total liabilities held for sale	$	419		$	15,520		$	15,939		$	141		$	20,990		$	21,131

A summary of the results of operations for the properties classified as discontinued operations is as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Revenues	$	8,498		$	23,911		$	33,593		$	73,613
Operating expenses	(3,117		)	(5,329		)	(10,903		)	(17,276		)
Depreciation and amortization	—			(2,666		)	(2,129		)	(11,138		)
Impairment charges - real estate assets	(7,190		)	—			(21,482		)	—
Interest and other income (expense)	4			(31		)	(57		)	(132		)
Income taxes	(5		)	(28		)	(298		)	(83		)
Loss on debt extinguishment	—			—			(7,618		)	—
Interest expense	(429		)	(1,537		)	(1,653		)	(5,142		)
Gain on property dispositions	44,428			94,878			116,452			184,689
Income from discontinued operations	42,189			109,198			105,905			224,531
Noncontrolling interest - operating partnership	(916		)	(2,544		)	(2,404		)	(5,232		)
Noncontrolling interest - consolidated joint venture	—			(224		)	(186		)	(412		)
Income from discontinued operations available to common shareholders	$	41,273		$	106,430		$	103,315		$	218,887

The following table illustrates the number of sold or held for sale properties included in, or excluded from, discontinued operations:

	Held for sale as of September 30, 2019	Sold during the nine months ended September 30, 2019	Sold during the year ended December 31, 2018	Total
Properties included in discontinued operations	9	13	37	59
Properties included in continuing operations	1	1	2	4
Properties sold or classified as held for sale	10	14	39	63

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Income per Common Unit of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Unit, Basic and Diluted [Line Items]

Schedule of earnings per share

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	Three Months Ended					Three Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	59,091	150,140	$	0.39	$	43,713	147,324	$	0.30
Dilutive shares for long-term compensation plans	—		839			—		947
Income from continuing operations net of noncontrolling interest - diluted	$	59,091	150,979	$	0.39	$	43,713	148,271	$	0.29
Discontinued operations net of noncontrolling interests - basic	$	41,273	150,140	$	0.28	$	106,430	147,324	$	0.72
Dilutive shares for long-term compensation plans	—		839			—		947
Discontinued operations net of noncontrolling interests - diluted	$	41,273	150,979	$	0.27	$	106,430	148,271	$	0.72
Net income available to common shareholders - basic	$	100,364	150,140	$	0.67	$	150,143	147,324	$	1.02
Dilutive shares for long-term compensation plans	—		839			—		947
Net income available to common shareholders - diluted	$	100,364	150,979	$	0.66	$	150,143	148,271	$	1.01
	Nine Months Ended					Nine Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	151,150	148,532	$	1.02	$	91,051	147,241	$	0.62
Dilutive shares for long-term compensation plans	—		851			—		919
Income from continuing operations net of noncontrolling interest - diluted	$	151,150	149,383	$	1.01	$	91,051	148,160	$	0.61
Discontinued operations net of noncontrolling interests - basic	$	103,315	148,532	$	0.69	$	218,887	147,241	$	1.48
Dilutive shares for long-term compensation plans	—		851			—		919
Discontinued operations net of noncontrolling interests - diluted	$	103,315	149,383	$	0.69	$	218,887	148,160	$	1.48
Net income available to common shareholders - basic	$	254,465	148,532	$	1.71	$	309,938	147,241	$	2.10
Dilutive shares for long-term compensation plans	—		851			—		919
Net income available to common shareholders - diluted	$	254,465	149,383	$	1.70	$	309,938	148,160	$	2.09

Liberty Property Limited Partnership

Earnings Per Unit, Basic and Diluted [Line Items]

Schedule of earnings per share

The following table sets forth the computation of basic and diluted income per common unit of the Operating Partnership (in thousands, except per unit amounts):

	Three Months Ended						Three Months Ended
	September 30, 2019						September 30, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Income from continuing operations - net of noncontrolling interest - consolidated joint ventures	$	60,484					$	44,865
Less: Preferred unit distributions	(83		)				(118		)
Income from continuing operations available to common unitholders - basic	$	60,401		153,646	$	0.39	$	44,747		150,844	$	0.30
Dilutive units for long-term compensation plans	—			839			—			947
Income from continuing operations available to common unitholders - diluted	$	60,401		154,485	$	0.39	$	44,747		151,791	$	0.29
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	42,189		153,646	$	0.28	$	108,974		150,844	$	0.72
Dilutive units for long-term compensation plans	—			839			—			947
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	42,189		154,485	$	0.27	$	108,974		151,791	$	0.72
Income available to common unitholders - basic	$	102,590		153,646	$	0.67	$	153,721		150,844	$	1.02
Dilutive units for long-term compensation plans	—			839			—			947
Income available to common unitholders - diluted	$	102,590		154,485	$	0.66	$	153,721		151,791	$	1.01

	Nine Months Ended						Nine Months Ended
	September 30, 2019						September 30, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Net income - net of noncontrolling interest - consolidated joint ventures	$	154,872					$	93,557
Less: Preferred unit distributions	(251		)				(354		)
Income from continuing operations available to common unitholders - basic	154,621			152,045	$	1.02	93,203			150,761	$	0.62
Dilutive units for long-term compensation plans	—			851			—			919
Income from continuing operations available to common unitholders - diluted	$	154,621		152,896	$	1.01	$	93,203		151,680	$	0.61
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	105,719		152,045	$	0.69	$	224,119		150,761	$	1.48
Dilutive units for long-term compensation plans	—			851			—			919
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	105,719		152,896	$	0.69	$	224,119		151,680	$	1.48
Net income available to common unitholders - basic	$	260,340		152,045	$	1.71	$	317,322		150,761	$	2.10
Dilutive units for long-term compensation plans	—			851			—			919
Net income available to common unitholders - diluted	$	260,340		152,896	$	1.70	$	317,322		151,680	$	2.09

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Income per Common Unit of the Operating Partnership - Anti-dilutive Options (Details) - shares	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Stock Option
Antidilutive Options Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive options excluded from computation of earnings per share	0	0	0	0
Liberty Property Limited Partnership | Stock Option
Antidilutive Options Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive options excluded from computation of earnings per share	0	0	0	0
Common Units | 2017 Share Repurchase Program | Liberty Property Limited Partnership
Antidilutive Options Excluded from Computation of Earnings Per Share [Line Items]
Stock repurchased in period (in shares)	0		0		0

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Income per Common Unit of the Operating Partnership Subsequent Event (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		1 Months Ended	9 Months Ended
	Oct. 12, 2019	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018
Subsequent Event [Line Items]
Loss on debt extinguishment			$ (7,618)	$ 0
Subsequent Event [Member]
Subsequent Event [Line Items]
Loss on debt extinguishment	$ (9,000)
Unsecured Notes | Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of unsecured notes	$ 350,000
Interest Rate	4.75%
Liberty Property Limited Partnership
Subsequent Event [Line Items]
Loss on debt extinguishment			$ (7,618)	$ 0
Liberty Property Limited Partnership | Subsequent Event [Member]
Subsequent Event [Line Items]
Loss on debt extinguishment	$ (9,000)
Liberty Property Limited Partnership | Unsecured Notes | Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of unsecured notes	$ 350,000
Interest Rate	4.75%
Common Units | Liberty Property Limited Partnership
Subsequent Event [Line Items]
Shares, Issued		9.2	9.2
Shares Issued, Price Per Share		$ 50.50	$ 50.50
Proceeds from Issuance of Units		$ 447,900

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Supplemental Disclosure to Statements of Cash Flows - Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2017
Cash and Cash Equivalents, at Carrying Value [Abstract]
Cash and cash equivalents	$ 514,882	$ 84,923	$ 17,770	$ 11,882
Restricted cash	14,006	10,899	13,371	13,803
Cash, cash equivalents and restricted cash	$ 528,888	$ 95,822	$ 31,141	$ 25,685

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Derivative Instruments (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2019 USD ($)	Sep. 30, 2019 USD ($) contract	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) contract	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) contract
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense		$ 25,791	$ 23,133	$ 76,644	$ 66,189
Interest Rate Derivatives [Abstract]
Number of interest rate swaps | contract		2		2
Fair value		$ 345		$ 345		$ 4,649
Reclassification during next 12 months		500		500
Termination value		300		300
Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense		25,791	23,133	76,644	66,189
Interest Rate Swap
Interest Rate Derivatives [Abstract]
Aggregate notional amount		65,100		65,100		$ 66,800
Interest Rate Swap | Other Comprehensive Income (Loss) | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain related to the effective portion recognized in other comprehensive (loss) income		13	$ 69	424	$ 619
Interest Rate Lock Commitments
Interest Rate Derivatives [Abstract]
Number of interest rate swaps | contract						2
Aggregate notional amount						$ 200,000
Gain (loss) on contract termination	$ 5,700
Interest Rate Lock Agreement A
Interest Rate Derivatives [Abstract]
Aggregate notional amount						100,000
Derivative, gain on derivative						$ 2,400
Number of derivative instruments expired | contract						1
Interest Rate Lock Agreement B
Interest Rate Derivatives [Abstract]
Aggregate notional amount	100,000
Derivative, gain on derivative	$ 3,300
Other Liabilities | Interest Rate Swap
Interest Rate Derivatives [Abstract]
Fair value		345		345		$ 677
Other Liabilities | Interest Rate Lock Commitments
Interest Rate Derivatives [Abstract]
Fair value		$ 0		$ 0		$ 3,972

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Disclosure of Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans, net	$ 297,326	$ 395,202
Unsecured Debt	2,633,941	2,285,698
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans, net	297,326	395,202
Unsecured Debt	2,633,941	2,285,698
Long-term Debt [Member] | Fair Value, Inputs, Level 3 [Member] | Mortgage Loans | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Financial and Nonfinancial Liabilities, Fair Value Disclosure	304,689	397,167
Long-term Debt [Member] | Fair Value, Inputs, Level 3 [Member] | Unsecured Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Financial and Nonfinancial Liabilities, Fair Value Disclosure	$ 2,821,931	$ 2,295,699

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Income per Common Share of the Trust (Details) - USD ($) $ / shares in Units, 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 and Diluted [Line Items]
Document Period End Date			Sep. 30, 2019
Income (Numerator) [Abstract]
Income from continuing operations net of noncontrolling interest	$ 59,091	$ 43,713	$ 151,150	$ 91,051
Income from discontinued operations net of noncontrolling interest	41,273	106,430	103,315	218,887
Net income available to common shareholders	$ 100,364	$ 150,143	$ 254,465	$ 309,938
Weighted Average Shares (Denominator) [Abstract]
Income from continuing operations net of noncontrolling interest - basic, weighted average shares (in shares)	150,140	147,324	148,532	147,241
Dilutive shares for long-term compensation plans, weighted average shares (in shares)	839	947	851	919
Income from continuing operations net of noncontrolling interest - diluted, weighted average shares (in shares)	150,979	148,271	149,383	148,160
Common shares
Earnings Per Share, Basic [Abstract]
Income from continuing operations (in usd per share)	$ 0.39	$ 0.30	$ 1.02	$ 0.62
Income from discontinued operations (in usd per share)	0.28	0.72	0.69	1.48
Income per common share or unit - basic (in usd per share)	0.67	1.02	1.71	2.10
Earnings Per Share, Diluted [Abstract]
Income from continuing operations (in usd per share)	0.39	0.29	1.01	0.61
Income from discontinued operations (in usd per share)	0.27	0.72	0.69	1.48
Income per common share or unit - diluted (in usd per share)	$ 0.66	$ 1.01	$ 1.70	$ 2.09

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Organization and Basis of Presentation - Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue from contracts	$ 257	$ 12,956	$ 2,099	$ 59,132
Revenue from remaining performance obligation	28,100		28,100
United Kingdom
Disaggregation of Revenue [Line Items]
Revenue from contracts	$ 4,500		$ 10,400

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Segment Information - Income Statement (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Revenue	$ 163,169,000	$ 161,286,000	$ 481,743,000	$ 498,944,000
Interest expense	(25,791,000)	(23,133,000)	(76,644,000)	(66,189,000)
Development service fee income	257,000	12,956,000	2,099,000	59,132,000
Development service fee expense	(168,000)	(12,924,000)	(1,848,000)	(120,799,000)
Depreciation and amortization expense	(43,972,000)	(41,004,000)	(130,402,000)	(120,586,000)
Impairment charges - real estate assets			(99,000)	(26,000,000)
Gain on property dispositions	15,168,000	2,002,000	21,125,000	54,705,000
Equity in earnings of unconsolidated joint ventures	1,776,000	6,766,000	10,966,000	20,958,000
General and administrative expense	(10,186,000)	(9,807,000)	(35,483,000)	(32,747,000)
Leasing cost	(3,082,000)	(2,610,000)	(9,608,000)	(8,189,000)
Other operating expense	(3,166,000)	(3,169,000)	(8,690,000)	(7,467,000)
Income taxes	(878,000)	(444,000)	(1,449,000)	(1,884,000)
Income from continuing operations	60,487,000	44,873,000	154,856,000	94,155,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue	0	0	0	0
Operating Segments
Segment Reporting Information [Line Items]
Revenue	171,410,000	172,223,000	513,416,000	513,797,000
Net operating income	124,748,000	123,032,000	371,208,000	368,123,000
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Revenue	0	18,000	(179,000)	(372,000)
Interest expense	(26,220,000)	(24,670,000)	(78,297,000)	(71,331,000)
Development service fee income	257,000	12,956,000	2,099,000	59,132,000
Development service fee expense	(168,000)	(12,924,000)	(1,848,000)	(120,799,000)
Depreciation and amortization expense	(32,279,000)	(32,243,000)	(97,642,000)	(97,576,000)
Impairment charges - real estate assets	0	0	(99,000)	(26,000,000)
Gain on property dispositions	15,168,000	2,002,000	21,125,000	54,705,000
Equity in earnings of unconsolidated joint ventures	1,776,000	6,766,000	10,966,000	20,958,000
General and administrative expense	(10,193,000)	(9,814,000)	(35,559,000)	(32,758,000)
Leasing cost	(3,082,000)	(2,610,000)	(9,608,000)	(8,189,000)
Other operating expense	(3,166,000)	(3,169,000)	(8,690,000)	(7,467,000)
Discontinued operations excluding (loss) gain on property dispositions	(4,951,000)	(14,320,000)	(18,553,000)	(39,842,000)
Income taxes	(811,000)	(329,000)	(1,635,000)	(1,539,000)
Other	(592,000)	196,000	1,389,000	(3,262,000)
Development service fee income | Segment Reconciling Items
Segment Reporting Information [Line Items]
Revenue	257,000	12,956,000	2,099,000	59,132,000
Discontinued operations | Segment Reconciling Items
Segment Reporting Information [Line Items]
Revenue	(8,498,000)	(23,911,000)	(33,593,000)	(73,613,000)
Carolinas/Richmond | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	20,377,000	19,417,000	61,129,000	58,723,000
Net operating income	15,638,000	14,620,000	47,020,000	43,795,000
Chicago/Minneapolis | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	17,479,000	17,274,000	52,299,000	50,414,000
Net operating income	10,902,000	10,564,000	33,294,000	31,271,000
Cincinnati/Columbus/Indianapolis | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	4,792,000	4,245,000	13,822,000	13,613,000
Net operating income	3,262,000	2,749,000	9,186,000	9,099,000
Dallas | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	5,953,000	5,537,000	17,252,000	14,300,000
Net operating income	4,035,000	3,666,000	11,848,000	9,274,000
Florida | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	15,871,000	15,847,000	48,218,000	47,117,000
Net operating income	11,628,000	11,461,000	35,097,000	33,717,000
Houston | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	19,103,000	16,561,000	51,831,000	48,514,000
Net operating income	12,377,000	9,676,000	32,159,000	28,714,000
Lehigh/Central PA | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	38,878,000	39,188,000	118,588,000	115,799,000
Net operating income	29,902,000	29,406,000	89,639,000	86,085,000
Philadelphia | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	9,779,000	10,598,000	32,043,000	33,659,000
Net operating income	7,876,000	7,947,000	25,583,000	28,211,000
Southern California | Operating Segments | North America
Segment Reporting Information [Line Items]
Revenue	10,510,000	7,914,000	30,660,000	22,226,000
Net operating income	8,200,000	6,496,000	23,524,000	17,675,000
United Kingdom | Operating Segments | United Kingdom
Segment Reporting Information [Line Items]
Revenue	5,900,000	3,523,000	17,857,000	11,579,000
Net operating income	5,421,000	3,234,000	16,131,000	10,662,000
Other | Operating Segments
Segment Reporting Information [Line Items]
Revenue	22,768,000	32,119,000	69,717,000	97,853,000
Net operating income	$ 15,507,000	$ 23,213,000	$ 47,727,000	$ 69,620,000

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Impairment and Disposal of Long-Lived Assets - Impairment Charges - Real Estate Assets (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment charges - real estate assets		$ 99,000	$ 26,000,000
Valuation adjustment	$ 0	0
Office Building | DC Metro
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment charges - real estate assets	$ 7,200,000	$ 21,600,000
Land | Philadelphia
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment charges - real estate assets			$ 26,000,000.0

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Consolidated Statements of Equity - USD ($) $ in Thousands	Total	COMMON SHARES OF BENEFICIAL INTEREST	ADDITIONAL PAID-IN CAPITAL	ACCUMULATED OTHER COMPREHENSIVE LOSS	DISTRIBUTIONS IN EXCESS OF NET INCOME	TOTAL LIBERTY PROPERTY TRUST SHAREHOLDERS’ EQUITY	NONCONTROLLING INTEREST - OPERATING PARTNERSHIP	NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES	Common shares	Liberty Property Limited Partnership	Liberty Property Limited Partnership GENERAL PARTNER	Liberty Property Limited Partnership LIMITED PARTNER	Liberty Property Limited Partnership NONCONTROLLING INTEREST - CONSOLIDATED JOINT VENTURES	Liberty Property Limited Partnership TOTAL OWNERS’ EQUITY	Liberty Property Limited Partnership Common Units GENERAL PARTNER	Liberty Property Limited Partnership Common Units LIMITED PARTNER	Liberty Property Limited Partnership, Preferred Activity
Common shares outstanding - Beginning Balance (shares) at Dec. 31, 2017									147,450,691
General Partner's units outstanding - Beginning Balance (units) at Dec. 31, 2017															147,450,691
Limited Partners' units outstanding - Beginning Balance (units) at Dec. 31, 2017																3,520,205
Beginning balance at Dec. 31, 2017	$ 3,148,366	$ 147	$ 3,674,978	$ (37,797)	$ (549,970)	$ 3,087,358	$ 56,159	$ 4,849			$ 3,087,358	$ 56,159	$ 4,849	$ 3,148,366
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from the issuance of common shares	5,255	1	5,254			5,255
Net proceeds from issuance of common shares (shares)									361,630
Net income	318,332				309,938	309,938	7,384	1,010			309,938	7,384	1,010	318,332
Net income available to common shareholders	309,938									$ 317,322
Contributions from partners											13,654			13,654
Contributions from partners (units)															361,630
Distributions to partners											(177,325)	(4,283)	(432)	(182,040)
Distributions	(182,040)				(177,325)	(177,325)	(4,283)	(432)
Share-based compensation	8,399		8,399			8,399
Other comprehensive loss - foreign currency translation activity	(9,221)			(9,007)		(9,007)	(214)			(9,221)	(9,007)	(214)		(9,221)
Other comprehensive income (loss) - derivative instruments	493			482		482	11			493	482	11		493
Common shares outstanding - Ending Balance (shares) at Sep. 30, 2018									147,812,321
General Partner's units outstanding - Ending Balance (units) at Sep. 30, 2018															147,812,321
Limited Partners' units outstanding - Ending Balance (units) at Sep. 30, 2018																3,520,205
Ending balance at Sep. 30, 2018	3,289,584	148	3,688,631	(46,322)	(417,357)	3,225,100	59,057	5,427			3,225,100	59,057	5,427	3,289,584
Noncontrolling Interest - Operating Partnership (Mezzanine) - Beginning Balance at Dec. 31, 2017	7,537																$ 7,537
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income (Mezzanine)	354																354
Distributions	(354)																(354)
Noncontrolling Interest - Operating Partnership (Mezzanine) - Ending Balance at Sep. 30, 2018	7,537																7,537
Common shares outstanding - Beginning Balance (shares) at Jun. 30, 2018									147,796,618
General Partner's units outstanding - Beginning Balance (units) at Jun. 30, 2018															147,796,618
Limited Partners' units outstanding - Beginning Balance (units) at Jun. 30, 2018																3,520,205
Beginning balance at Jun. 30, 2018	3,197,225	148	3,686,505	(43,383)	(508,386)	3,134,884	56,918	5,423			3,134,884	56,918	5,423	3,197,225
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from the issuance of common shares	728	0	728			728
Net proceeds from issuance of common shares (shares)									15,703
Net income	153,953				150,143	150,143	3,578	232			150,143	3,578	232	153,953
Net income available to common shareholders	150,143									153,721
Contributions from partners											2,126			2,126
Contributions from partners (units)															15,703
Distributions to partners											(59,114)	(1,369)	(228)	(60,711)
Distributions	(60,711)				(59,114)	(59,114)	(1,369)	(228)
Share-based compensation	1,398		1,398			1,398
Other comprehensive loss - foreign currency translation activity	(3,015)			(2,945)		(2,945)	(70)			(3,015)	(2,945)	(70)		(3,015)
Other comprehensive income (loss) - derivative instruments	6			6		6				$ 6	6	0		6
Common shares outstanding - Ending Balance (shares) at Sep. 30, 2018									147,812,321
General Partner's units outstanding - Ending Balance (units) at Sep. 30, 2018															147,812,321
Limited Partners' units outstanding - Ending Balance (units) at Sep. 30, 2018																3,520,205
Ending balance at Sep. 30, 2018	3,289,584	148	3,688,631	(46,322)	(417,357)	3,225,100	59,057	5,427			3,225,100	59,057	5,427	3,289,584
Noncontrolling Interest - Operating Partnership (Mezzanine) - Beginning Balance at Jun. 30, 2018	7,537																7,537
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income (Mezzanine)	118																118
Distributions	(118)																(118)
Noncontrolling Interest - Operating Partnership (Mezzanine) - Ending Balance at Sep. 30, 2018	$ 7,537																7,537
Common shares outstanding - Beginning Balance (shares) at Dec. 31, 2018	147,899,354								147,899,354	147,899,354
General Partner's units outstanding - Beginning Balance (units) at Dec. 31, 2018															147,899,354
Limited Partners' units outstanding - Beginning Balance (units) at Dec. 31, 2018	3,520,205									3,520,205						3,520,205
Beginning balance at Dec. 31, 2018	$ 3,396,772	148	3,691,778	(55,243)	(306,822)	3,329,861	61,471	5,440		$ 3,396,772	3,329,861	61,471	5,440	3,396,772
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from the issuance of common shares	462,117	10	462,107	0	0	462,117	0	0
Net proceeds from issuance of common shares (shares)									9,830,088
Net income	260,510	0	0	0			5,875	170			254,464	5,875	170	260,509
Net income available to common shareholders	254,465					254,465				260,340
Contributions from partners											466,945	0	0	466,945
Contributions from partners (units)															9,830,088
Distributions to partners											(186,271)	(4,371)	(167)	(190,809)
Distributions	(190,810)	0	0	0	(186,272)	(186,272)	(4,371)	(167)
Share-based compensation	4,828	0	4,828	0	0	4,828	0	0
Other comprehensive loss - foreign currency translation activity	(7,574)	0	0	(7,410)	0	(7,410)	(164)	0		(7,574)	(7,410)	(164)	0	(7,574)
Other comprehensive income (loss) - derivative instruments	(1,887)	0	0	(1,843)	0	(1,843)	(44)	0		$ (1,887)	(1,843)	(44)	0	(1,887)
Acquisition of noncontrolling interest	$ (18,513)	0	(13,350)	0	0	(13,350)	0	(5,163)			(13,350)	0	(5,163)	(18,513)		$ 0
Redemption of noncontrolling interests - common units (shares)									26,156						26,156
Redemption of noncontrolling interest - common units		0	459	0	0	459	(459)	0
Redemption of limited partners common units for common shares											459	(459)
Redemption of limited partners common units for common shares (units)																(26,156)
Common shares outstanding - Ending Balance (shares) at Sep. 30, 2019	157,755,598								157,755,598	157,755,598
General Partner's units outstanding - Ending Balance (units) at Sep. 30, 2019															157,755,598
Limited Partners' units outstanding - Ending Balance (units) at Sep. 30, 2019	3,500,000									3,500,000						3,494,049
Ending balance at Sep. 30, 2019	$ 3,905,443	158	4,145,822	(64,496)	(238,629)	3,842,855	62,308	280		$ 3,905,443	3,842,855	62,308	280	3,905,443
Noncontrolling Interest - Operating Partnership (Mezzanine) - Beginning Balance at Dec. 31, 2018	7,537									7,537							7,537
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income (Mezzanine)	251																251
Distributions	(251)																(251)
Temporary Equity Decrease from Redemption of Units	(2,200)																(2,200)
Noncontrolling Interest - Operating Partnership (Mezzanine) - Ending Balance at Sep. 30, 2019	5,337									5,337							5,337
Common shares outstanding - Beginning Balance (shares) at Jun. 30, 2019									148,258,042
General Partner's units outstanding - Beginning Balance (units) at Jun. 30, 2019															148,258,042
Limited Partners' units outstanding - Beginning Balance (units) at Jun. 30, 2019																3,513,049
Beginning balance at Jun. 30, 2019	3,417,364	148	3,687,085	(57,674)	(274,311)	3,355,248	61,839	277			3,355,248	61,839	277	3,417,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from the issuance of common shares	457,118	10	457,108	0	0	457,118	0	0
Net proceeds from issuance of common shares (shares)									9,478,556
Net income	102,593	0	0	0	100,364	100,364	2,226	3			100,364	2,226	3	102,593
Net income available to common shareholders	100,364									102,590
Contributions from partners											458,413	0	0	458,413
Contributions from partners (units)															9,478,556
Distributions to partners											(64,682)	(1,272)	0	(65,954)
Distributions	(65,954)	0	0	0	(64,682)	(64,682)	(1,272)	0
Share-based compensation	1,295	0	1,295	0	0	1,295	0	0
Other comprehensive loss - foreign currency translation activity	(7,056)	0	0	(6,903)	0	(6,903)	(153)	0		(7,056)	(6,903)	(153)	0	(7,056)
Other comprehensive income (loss) - derivative instruments	83	0	0	81	0	81	2	0		$ 83	81	2	0	83
Redemption of noncontrolling interests - common units (shares)									19,000						19,000
Redemption of noncontrolling interest - common units	$ 0	0	334	0	0	334	(334)	0
Redemption of limited partners common units for common shares											334	(334)
Redemption of limited partners common units for common shares (units)																(19,000)
Common shares outstanding - Ending Balance (shares) at Sep. 30, 2019	157,755,598								157,755,598	157,755,598
General Partner's units outstanding - Ending Balance (units) at Sep. 30, 2019															157,755,598
Limited Partners' units outstanding - Ending Balance (units) at Sep. 30, 2019	3,500,000									3,500,000						3,494,049
Ending balance at Sep. 30, 2019	$ 3,905,443	$ 158	$ 4,145,822	$ (64,496)	$ (238,629)	$ 3,842,855	$ 62,308	$ 280		$ 3,905,443	$ 3,842,855	$ 62,308	$ 280	$ 3,905,443
Noncontrolling Interest - Operating Partnership (Mezzanine) - Beginning Balance at Jun. 30, 2019	5,337																5,337
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income (Mezzanine)	83																83
Distributions	(83)																(83)
Noncontrolling Interest - Operating Partnership (Mezzanine) - Ending Balance at Sep. 30, 2019	$ 5,337									$ 5,337							$ 5,337

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Indebtedness (Details) - 4.375% Senior Unsecured Notes	Jan. 31, 2019 USD ($)
Debt Instrument [Line Items]
Debt issued, face amount	$ 350,000,000
Interest Rate	4.375%

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Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Real estate:
Land and land improvements	$ 1,393,474	$ 1,236,514
Building and improvements	4,785,171	4,397,049
Less accumulated depreciation	(1,040,249)	(941,299)
Operating real estate	5,138,396	4,692,264
Development in progress	323,790	462,572
Land held for development	303,440	296,244
Net real estate	5,765,626	5,451,080
Cash and cash equivalents	514,882	84,923
Restricted cash	14,006	10,899
Accounts receivable	16,975	14,109
Deferred rent receivable	124,509	111,372
Deferred financing and leasing costs, net of accumulated amortization (September 30, 2019, $192,325; December 31, 2018, $165,553)	162,235	157,823
Investments in and advances to unconsolidated joint ventures	347,880	350,981
Assets held for sale	226,504	502,207
Right of use asset	17,664	0
Prepaid expenses and other assets	148,451	251,000
Total assets	7,338,732	6,934,394
LIABILITIES
Mortgage loans, net	297,326	395,202
Unsecured notes, net	2,633,941	2,285,698
Credit facilities	100,000	411,846
Accounts payable	54,953	62,943
Accrued interest	36,530	22,309
Dividend and distributions payable	65,921	60,560
Lease liabilities	18,379	0
Other liabilities	204,963	270,396
Liabilities held for sale	15,939	21,131
Total liabilities	3,427,952	3,530,085
Noncontrolling interest - operating partnership - 213,483 and 301,483 preferred units outstanding as of September 30, 2019 and December 31, 2018, respectively	5,337	7,537
EQUITY
Common shares of beneficial interest, $.001 par value, 283,987,000 shares authorized; 157,755,598 and 147,899,354 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	158	148
Additional paid-in capital	4,145,822	3,691,778
Accumulated other comprehensive loss	(64,496)	(55,243)
Distributions in excess of net income	(238,629)	(306,822)
Total Liberty Property Trust shareholders’ equity	3,842,855	3,329,861
Noncontrolling interest - operating partnership
Noncontrolling interest – operating partnership - 3,494,049 and 3,520,205 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	62,308	61,471
Noncontrolling interest – consolidated joint ventures	280	5,440
Total equity	3,905,443	3,396,772
Total liabilities, noncontrolling interest - operating partnership and equity	7,338,732	6,934,394
Liberty Property Limited Partnership
Real estate:
Land and land improvements	1,393,474	1,236,514
Building and improvements	4,785,171	4,397,049
Less accumulated depreciation	(1,040,249)	(941,299)
Operating real estate	5,138,396	4,692,264
Development in progress	323,790	462,572
Land held for development	303,440	296,244
Net real estate	5,765,626	5,451,080
Cash and cash equivalents	514,882	84,923
Restricted cash	14,006	10,899
Accounts receivable	16,975	14,109
Deferred rent receivable	124,509	111,372
Deferred financing and leasing costs, net of accumulated amortization (September 30, 2019, $192,325; December 31, 2018, $165,553)	162,235	157,823
Investments in and advances to unconsolidated joint ventures	347,880	350,981
Assets held for sale	226,504	502,207
Right of use asset	17,664	0
Prepaid expenses and other assets	148,451	251,000
Total assets	7,338,732	6,934,394
LIABILITIES
Mortgage loans, net	297,326	395,202
Unsecured notes, net	2,633,941	2,285,698
Credit facilities	100,000	411,846
Accounts payable	54,953	62,943
Accrued interest	36,530	22,309
Dividend and distributions payable	65,921	60,560
Lease liabilities	18,379	0
Other liabilities	204,963	270,396
Liabilities held for sale	15,939	21,131
Total liabilities	3,427,952	3,530,085
Noncontrolling interest - operating partnership - 213,483 and 301,483 preferred units outstanding as of September 30, 2019 and December 31, 2018, respectively	5,337	7,537
EQUITY
General partner’s equity - 157,755,598 and 147,899,354 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	3,842,855	3,329,861
Limited partners’ equity – 3,494,049 and 3,520,205 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	62,308	61,471
Noncontrolling interest - operating partnership
Noncontrolling interest – consolidated joint ventures	280	5,440
Total equity	3,905,443	3,396,772
Total liabilities, noncontrolling interest - operating partnership and equity	$ 7,338,732	$ 6,934,394

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Supplemental Disclosure to Statements of Cash Flows

9 Months Ended

Sep. 30, 2019

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosure to Statements of Cash Flows

Supplemental Disclosure to Consolidated Statements of Cash Flows

The following are supplemental disclosures to the consolidated statements of cash flows for the nine months ended September 30, 2019 and 2018 (amounts in thousands):

	2019			2018
Write-off of fully depreciated/amortized property and deferred costs - properties included in continuing operations	$	2,218		$	7,197
Write-off of fully depreciated/amortized property and deferred costs - properties included in discontinued operations	$	—		$	11,789
Write-off of depreciated property and deferred costs due to sale/demolition - properties included in continuing operations	$	1,642		$	20,273
Write-off of depreciated property and deferred costs due to sale and related debt repayment - properties included in discontinued operations	$	51,455		$	99,072
Changes in accrued development capital expenditures - properties included in continuing operations	$	(4,436	)	$	12,361
Changes in accrued development capital expenditures - properties included in discontinued operations	$	—		$	(4,628	)
Unrealized (loss) gain on cash flow hedge	$	(1,887	)	$	493
Capitalized equity-based compensation	$	915		$	727

Amounts paid in cash for deferred leasing costs incurred in connection with signed leases with tenants are paid in conjunction with improving (acquiring) property, plant and equipment. Such costs are not contained within net real estate. However, they are integral to the completion of a tenant lease and ultimately are related to the improvement and thus the value of the Company’s property, plant and equipment. They are therefore included in investing activities in the Company’s consolidated statements of cash flows.

The following is a reconciliation of the Company's cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2019 and 2018 (amounts in thousands):

	2019		2018
Cash and cash equivalents at beginning of period	$	84,923	$	11,882
Restricted cash at beginning of period	10,899		13,803
Cash and cash equivalents and restricted cash at beginning of period	$	95,822	$	25,685
Cash and cash equivalents at end of period	$	514,882	$	17,770
Restricted cash at end of period	14,006		13,371
Cash and cash equivalents and restricted cash at end of period	$	528,888	$	31,141

Restricted cash includes tenant security deposits and escrow funds that the Company maintains pursuant to certain mortgage loans. Restricted cash also includes the undistributed proceeds from the sale of land in Kent County, United Kingdom.

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Impairment and Disposal of Long-Lived Assets Discontinued Operations (Policies)	9 Months Ended
	Sep. 30, 2019
Discontinued Operations and Disposal Groups [Abstract]
Discontinued Operations	The Company determined that the strategic shift would have a major effect on its operations and financial results. As such, properties sold or those that meet the criteria to be classified as held for sale within the corporate strategy were classified within discontinued operations. Consistent with the held for sale criteria these properties are expected to be sold within one year. As a result of the classification within discontinued operations, the in-service assets and liabilities of this portfolio are required to be presented as held for sale for all prior periods presented in our Consolidated Balance Sheets. Operating results pertaining to these properties were reclassified to discontinued operations for all prior periods presented in our Consolidated Statements of Comprehensive Income.

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Income per Common Share of the Trust Income per Common Share of the Trust - Anti-dilutive Options (Details) - shares	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Stock Option
Antidilutive Options Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive options excluded from computation of earnings per share	0	0	0	0
Common shares | 2017 Share Repurchase Program
Antidilutive Options Excluded from Computation of Earnings Per Share [Line Items]
Stock repurchased in period (in shares)	0		0		0

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Organization and Basis of Presentation - Ground Leases (Details) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2019 USD ($) properties	Sep. 30, 2019 USD ($) properties	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Number of properties subject to ground lease (in properties) | properties	5	5
Weighted average remaining lease term	47 years	47 years
Term of contract	11 years	11 years
Useful life increase interval		5 years
Weighted average discount rate	4.60%	4.60%
Operating Lease, Expense	$ 0.5	$ 1.5
Leasing expense			$ 1.5
Cash portion of lease expense	$ 0.5	$ 1.4
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	25 years	25 years
Weighted average discount rate	4.10%	4.10%
Maximum
Lessee, Lease, Description [Line Items]
Term of contract	110 years	110 years
Renewal term	48 years	48 years
Weighted average discount rate	5.00%	5.00%
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Leasing expense	$ 0.1	$ 0.7

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Document Period End Date	Sep. 30, 2019
OPERATING ACTIVITIES
Net income	$ 260,761	$ 318,686
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	132,511	132,276
Amortization of deferred financing costs	3,498	2,876
Expensed pursuit costs	864	1,675
Impairment charges - real estate assets	21,581	26,000
Loss on debt extinguishment	7,618	0
Equity in earnings of unconsolidated joint ventures	(10,966)	(20,958)
Distributions from unconsolidated joint ventures	1,500	0
Gain on property dispositions	(137,577)	(239,394)
Share-based compensation	12,405	12,310
Development service fee accrual	0	61,705
Other	(8,875)	(3,612)
Changes in operating assets and liabilities:
Accounts receivable	(3,069)	(1,543)
Deferred rent receivable	(14,366)	(14,782)
Prepaid expenses and other assets	2,102	29,981
Accounts payable	(4,729)	(6,435)
Accrued interest	14,221	13,695
Other liabilities	(50,874)	(16,035)
Net cash provided by operating activities	226,605	296,445
INVESTING ACTIVITIES
Investment in properties – acquisitions	(208,786)	(293,049)
Investment in properties – other	(31,856)	(34,331)
Investments in and advances to unconsolidated joint ventures	(8,567)	(79,036)
Distributions from unconsolidated joint ventures	20,739	30,055
Net proceeds from disposition of properties/land	412,474	574,542
Investment in development in progress	(165,820)	(165,197)
Investment in land held for development	(60,573)	(171,221)
Payment of deferred leasing costs	(25,173)	(18,452)
Release (deposit) of escrows and other	90,660	(128,910)
Net cash provided by (used in) investing activities	23,098	(285,599)
FINANCING ACTIVITIES
Net proceeds from issuance of common shares	462,117	5,255
Share repurchases, including shares related to tax withholdings	(8,847)	(4,638)
Redemption of preferred units	(2,200)	0
Proceeds from unsecured notes	349,097	0
Repayments of mortgage loans including prepayment penalty	(98,467)	(31,954)
Proceeds from credit facility	250,130	1,187,357
Repayments on credit facility	(561,976)	(975,456)
Payment of deferred financing costs	(2,789)	(15)
Acquisition of noncontrolling interest	(18,513)	0
Distribution paid on common shares	(180,735)	(177,210)
Distributions to partners/noncontrolling interests	(4,960)	(5,130)
Net cash provided by (used in) financing activities	182,857	(1,791)
Net increase in cash, cash equivalents and restricted cash	432,560	9,055
Increase (decrease) in cash, cash equivalents and restricted cash related to foreign currency translation	506	(3,599)
Cash, cash equivalents and restricted cash at beginning of period	95,822	25,685
Cash, cash equivalents and restricted cash at end of period	528,888	31,141
Liberty Property Limited Partnership
OPERATING ACTIVITIES
Net income	260,761	318,686
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	132,511	132,276
Amortization of deferred financing costs	3,498	2,876
Expensed pursuit costs	864	1,675
Impairment charges - real estate assets	21,581	26,000
Loss on debt extinguishment	7,618	0
Equity in earnings of unconsolidated joint ventures	(10,966)	(20,958)
Distributions from unconsolidated joint ventures	1,500	0
Gain on property dispositions	(137,577)	(239,394)
Share-based compensation	12,405	12,310
Development service fee accrual	0	61,705
Other	(8,875)	(3,612)
Changes in operating assets and liabilities:
Accounts receivable	(3,069)	(1,543)
Deferred rent receivable	(14,366)	(14,782)
Prepaid expenses and other assets	2,102	29,981
Accounts payable	(4,729)	(6,435)
Accrued interest	14,221	13,695
Other liabilities	(50,874)	(16,035)
Net cash provided by operating activities	226,605	296,445
INVESTING ACTIVITIES
Investment in properties – acquisitions	(208,786)	(293,049)
Investment in properties – other	(31,856)	(34,331)
Investments in and advances to unconsolidated joint ventures	(8,567)	(79,036)
Distributions from unconsolidated joint ventures	20,739	30,055
Net proceeds from disposition of properties/land	412,474	574,542
Investment in development in progress	(165,820)	(165,197)
Investment in land held for development	(60,573)	(171,221)
Payment of deferred leasing costs	(25,173)	(18,452)
Release (deposit) of escrows and other	90,660	(128,910)
Net cash provided by (used in) investing activities	23,098	(285,599)
FINANCING ACTIVITIES
Redemption of preferred units	(2,200)	0
Proceeds from unsecured notes	349,097	0
Repayments of mortgage loans including prepayment penalty	(98,467)	(31,954)
Proceeds from credit facility	250,130	1,187,357
Repayments on credit facility	(561,976)	(975,456)
Payment of deferred financing costs	(2,789)	(15)
Acquisition of noncontrolling interest	(18,513)	0
Capital contributions	462,117	5,255
Distributions to partners/noncontrolling interests	(194,542)	(186,978)
Net cash provided by (used in) financing activities	182,857	(1,791)
Net increase in cash, cash equivalents and restricted cash	432,560	9,055
Increase (decrease) in cash, cash equivalents and restricted cash related to foreign currency translation	506	(3,599)
Cash, cash equivalents and restricted cash at beginning of period	95,822	25,685
Cash, cash equivalents and restricted cash at end of period	$ 528,888	$ 31,141

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Noncontrolling Interest - Operating Partnership/Limited Partners' Equity - Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Temporary Equity [Line Items]
AMOUNT	$ 5,337	$ 5,337	$ 7,537	$ 7,537	$ 7,537	$ 7,537
Preferred units redeemed (in shares)	88,000
Preferred units redeemed, value	$ 2,200
Series I-2
Temporary Equity [Line Items]
UNITS	213,483		301,483
LIQUIDATION PREFERENCE (in usd per share)	$ 25
DIVIDEND RATE	6.25%

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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Deferred financing and leasing costs, accumulated amortization	$ 192,325	$ 165,553
Limited Partners' common units outstanding	3,500,000	3,520,205
Common shares of beneficial interest, par value per share	$ 0.001	$ 0.001
Common shares of beneficial interest, shares authorized	283,987,000	283,987,000
Common shares of beneficial interest, shares issued	157,755,598	147,899,354
Common shares of beneficial interest, shares outstanding	157,755,598	147,899,354
Liberty Property Limited Partnership
Deferred financing and leasing costs, accumulated amortization	$ 192,325	$ 165,553
Limited Partners' common units outstanding	3,500,000	3,520,205
Common shares of beneficial interest, shares outstanding	157,755,598	147,899,354
Series I-2
Noncontrolling interest - operating partnership, preferred units outstanding	213,483	301,483
Series I-2 | Liberty Property Limited Partnership
Noncontrolling interest - operating partnership, preferred units outstanding	213,483	301,483

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Real Estate Related Party (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
New Jersey | Equity Method Investee
Related Party Transaction [Line Items]
Ownership percentage of equity method investment	25.00%	25.00%
Land Improvements [Member] | Philadelphia | Vice President [Member] | sale of development rights [Member]
Related Party Transaction [Line Items]
Land sold to related party	$ 3.2	$ 3.2
2019 sales | Acres of Developable Land | Disposal Group, Not Discontinued Operations | New Jersey | Equity Method Investee | land sale to related party [Member]
Related Party Transaction [Line Items]
Land sold to related party		$ 4.1
2019 sales current quarter | Acres of Developable Land | Disposal Group, Not Discontinued Operations | New Jersey | Equity Method Investee | land sale to related party [Member]
Related Party Transaction [Line Items]
Land sold to related party	$ 4.1

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Impairment and Disposal of Long-Lived Assets - Assets Held for Sale (Details) $ in Thousands	Sep. 30, 2019 USD ($)	Sep. 30, 2019 a	Sep. 30, 2019 properties	Sep. 30, 2019 bldg	Dec. 31, 2018 USD ($)
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Total assets held for sale	$ 226,504				$ 502,207
Liabilities held for sale	15,939				21,131
Included in Continuing Operations
Balance Sheet Disclosures by Disposal Groups [Line Items]
Number of buildings (in buildings) | bldg				1
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Land and land improvements	613				1,301
Buildings and improvements	8,541				5,638
Disposal Group, Including Discontinued Operation, Development in Progress	0				0
Land held for development	19,420				26,253
Accumulated depreciation	(3,745)				(1,546)
Deferred financing and leasing costs, net	717				58
Other assets	756				164
Total assets held for sale	26,302				31,868
Liabilities held for sale	419				141
Included in Discontinued Operations
Balance Sheet Disclosures by Disposal Groups [Line Items]
Number of buildings (in buildings) | bldg				9
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Land and land improvements	19,210				113,080
Buildings and improvements	174,595				384,737
Disposal Group, Including Discontinued Operation, Development in Progress	10,108				9,597
Land held for development	0				0
Accumulated depreciation	(21,592)				(70,242)
Deferred financing and leasing costs, net	7,910				13,697
Other assets	9,971				19,470
Total assets held for sale	200,202				470,339
Liabilities held for sale	15,520				20,990
Total
Balance Sheet Disclosures by Disposal Groups [Line Items]
Acres of Developable Land (in acres) | a		74.4
Number of buildings (in buildings)			3	10
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Land and land improvements	19,823				114,381
Buildings and improvements	183,136				390,375
Disposal Group, Including Discontinued Operation, Development in Progress	10,108				9,597
Land held for development	19,420				26,253
Accumulated depreciation	(25,337)				(71,788)
Deferred financing and leasing costs, net	8,627				13,755
Other assets	10,727				19,634
Total assets held for sale	226,504				502,207
Liabilities held for sale	$ 15,939				$ 21,131

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Environmental Matters

Substantially all of the Company's properties and land were subject to Phase I Environmental Assessments and when appropriate Phase II Environmental Assessments (collectively, the “Environmental Assessments”) obtained in contemplation of their acquisition by the Company or obtained by predecessor owners prior to the sale of the property or land to the Company. The Environmental Assessments did not reveal, nor is the Company aware of, any non-compliance with environmental laws, environmental liability or other environmental claim that the Company believes would likely have a material adverse effect on the Company.

Legal Matters

From time to time, the Company is a party to a variety of legal proceedings, claims and assessments arising in the normal course of business. As of September 30, 2019 there were no legal proceedings, claims or assessments that the Company expects to have a material adverse effect on the Company. However, see Note 13 for discussion of Comcast Technology Center.

Other

As of September 30, 2019, the Company had letter of credit obligations of $8.9 million.

As of September 30, 2019, the Company had 22 buildings under development. These buildings are expected to contain, when completed, a total of 4.7 million square feet of leasable space and represent an anticipated aggregate investment of $463.9 million. At September 30, 2019, development in progress totaled $323.8 million. In addition, as of September 30, 2019, the Company had invested $3.2 million in deferred leasing costs related to these development buildings.

The Company is also currently developing three properties for its unconsolidated joint ventures which represent an anticipated aggregate investment by the joint ventures of $35.6 million.

As of September 30, 2019, the Company was committed to the following:

• $20.3 million in improvements on certain buildings and land parcels;

• $53.1 million in future land acquisitions which it expects to complete during the year ending December 31, 2019;

• up to $19.5 million of tenant improvements not yet completed; and

• infrastructure improvements of approximately $1.0 million.

The Company maintains cash and cash equivalents at financial institutions. The combined account balances at each institution typically exceed FDIC insurance coverage and, as a result, there is a concentration of credit risk related to amounts on deposit in excess of FDIC insurance coverage. The Company believes the risk is not significant.

Two unconsolidated joint ventures in which the Company holds an interest have engaged the Company as the developer of the Comcast Technology Center (the “Project") pursuant to a Development Agreement by which the Company agrees, in consideration for a development fee, to be responsible for all aspects of the development of the Project and to guarantee the timely lien-free completion of construction of the Project as well as the payment, subject to certain exceptions, of any cost overruns incurred in the development of the Project. See Note 13 for details on the commitments and contingencies associated with the Project.

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Segment Information Segment Information (Policies)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Segment Reporting

The Company evaluates the performance of its reportable segments based on net operating income. Net operating income includes operating revenue from external customers, real estate taxes, amortization of lease transaction costs and other operating expenses which relate directly to the management and operation of the assets within each reportable segment.

The Company's accounting policies for the segments are the same as those used in the Company's consolidated financial statements.

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Indebtedness

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Indebtedness

Indebtedness

In January 2019, the Company issued $350 million of 4.375% senior unsecured notes due 2029. The net proceeds from this issuance were used to repay borrowings under the Company's unsecured credit facilities and for general corporate purposes.

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Income per Common Unit of the Operating Partnership

9 Months Ended

Sep. 30, 2019

Earnings Per Unit, Basic and Diluted [Line Items]

Income per Common Share of the Trust

Income per Common Share of the Trust

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	Three Months Ended					Three Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	59,091	150,140	$	0.39	$	43,713	147,324	$	0.30
Dilutive shares for long-term compensation plans	—		839			—		947
Income from continuing operations net of noncontrolling interest - diluted	$	59,091	150,979	$	0.39	$	43,713	148,271	$	0.29
Discontinued operations net of noncontrolling interests - basic	$	41,273	150,140	$	0.28	$	106,430	147,324	$	0.72
Dilutive shares for long-term compensation plans	—		839			—		947
Discontinued operations net of noncontrolling interests - diluted	$	41,273	150,979	$	0.27	$	106,430	148,271	$	0.72
Net income available to common shareholders - basic	$	100,364	150,140	$	0.67	$	150,143	147,324	$	1.02
Dilutive shares for long-term compensation plans	—		839			—		947
Net income available to common shareholders - diluted	$	100,364	150,979	$	0.66	$	150,143	148,271	$	1.01
	Nine Months Ended					Nine Months Ended
	September 30, 2019					September 30, 2018
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Income from continuing operations net of noncontrolling interest - basic	$	151,150	148,532	$	1.02	$	91,051	147,241	$	0.62
Dilutive shares for long-term compensation plans	—		851			—		919
Income from continuing operations net of noncontrolling interest - diluted	$	151,150	149,383	$	1.01	$	91,051	148,160	$	0.61
Discontinued operations net of noncontrolling interests - basic	$	103,315	148,532	$	0.69	$	218,887	147,241	$	1.48
Dilutive shares for long-term compensation plans	—		851			—		919
Discontinued operations net of noncontrolling interests - diluted	$	103,315	149,383	$	0.69	$	218,887	148,160	$	1.48
Net income available to common shareholders - basic	$	254,465	148,532	$	1.71	$	309,938	147,241	$	2.10
Dilutive shares for long-term compensation plans	—		851			—		919
Net income available to common shareholders - diluted	$	254,465	149,383	$	1.70	$	309,938	148,160	$	2.09

Dilutive shares for long-term compensation plans represent the unvested common shares outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common share for the three and nine months ended September 30, 2019 or 2018.

During the three and nine months ended September 30, 2019, 251,000 and 374,000 common shares, respectively, were issued upon the exercise of options. During the year ended December 31, 2018, 151,000 common shares were issued upon the exercise of options.

Equity Offering

In September 2019, the Company completed the sale of 9.2 million common shares, at a price of $50.50 per share, for net proceeds of $447.9 million. The net proceeds from this issuance were used to fund the early redemption on October 12, 2019 of the Operating Partnership's $350 million 4.75% senior notes due October 2020, repay outstanding balances on the Company's revolving credit facilities and for general corporate purposes. In conjunction with such early redemption, the Company incurred charges of approximately $9.0 million.

Share Repurchase

The Company’s Board of Trustees had authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common shares through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three and nine months ended September 30, 2019 or for the year ended December 31, 2018.

Liberty Property Limited Partnership

Earnings Per Unit, Basic and Diluted [Line Items]

Income per Common Share of the Trust

Income per Common Unit of the Operating Partnership

The following table sets forth the computation of basic and diluted income per common unit of the Operating Partnership (in thousands, except per unit amounts):

	Three Months Ended						Three Months Ended
	September 30, 2019						September 30, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Income from continuing operations - net of noncontrolling interest - consolidated joint ventures	$	60,484					$	44,865
Less: Preferred unit distributions	(83		)				(118		)
Income from continuing operations available to common unitholders - basic	$	60,401		153,646	$	0.39	$	44,747		150,844	$	0.30
Dilutive units for long-term compensation plans	—			839			—			947
Income from continuing operations available to common unitholders - diluted	$	60,401		154,485	$	0.39	$	44,747		151,791	$	0.29
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	42,189		153,646	$	0.28	$	108,974		150,844	$	0.72
Dilutive units for long-term compensation plans	—			839			—			947
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	42,189		154,485	$	0.27	$	108,974		151,791	$	0.72
Income available to common unitholders - basic	$	102,590		153,646	$	0.67	$	153,721		150,844	$	1.02
Dilutive units for long-term compensation plans	—			839			—			947
Income available to common unitholders - diluted	$	102,590		154,485	$	0.66	$	153,721		151,791	$	1.01

	Nine Months Ended						Nine Months Ended
	September 30, 2019						September 30, 2018
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Net income - net of noncontrolling interest - consolidated joint ventures	$	154,872					$	93,557
Less: Preferred unit distributions	(251		)				(354		)
Income from continuing operations available to common unitholders - basic	154,621			152,045	$	1.02	93,203			150,761	$	0.62
Dilutive units for long-term compensation plans	—			851			—			919
Income from continuing operations available to common unitholders - diluted	$	154,621		152,896	$	1.01	$	93,203		151,680	$	0.61
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	105,719		152,045	$	0.69	$	224,119		150,761	$	1.48
Dilutive units for long-term compensation plans	—			851			—			919
Income from discontinued operations net of noncontrolling interest consolidated joint venture - basic	$	105,719		152,896	$	0.69	$	224,119		151,680	$	1.48
Net income available to common unitholders - basic	$	260,340		152,045	$	1.71	$	317,322		150,761	$	2.10
Dilutive units for long-term compensation plans	—			851			—			919
Net income available to common unitholders - diluted	$	260,340		152,896	$	1.70	$	317,322		151,680	$	2.09

Dilutive units for long-term compensation plans represent the unvested common units outstanding during the periods as well as the dilutive effect of outstanding options. There were no anti-dilutive options excluded from the computation of diluted income per common unit for the three and nine months ended September 30, 2019 or 2018.

During the three and nine months ended September 30, 2019, 251,000 and 374,000 common units, respectively, were issued upon exercise of options. During the year ended December 31, 2018, 151,000 common units were issued upon the exercise of options.

Equity Offering

In September 2019, the Company completed the sale of 9.2 million common units, at a price of $50.50 per share, for net proceeds of $447.9 million. The net proceeds from this issuance were used to fund the early redemption on October 12, 2019 of the Operating Partnership's $350 million 4.75% senior notes due October 2020, repay outstanding balances on the Company's revolving credit facilities and for general corporate purposes. In conjunction with such early redemption, the Company incurred charges of approximately $9.0 million.

Unit Repurchase

The Company’s Board of Trustees had authorized a share repurchase plan under which the Company may purchase up to $250 million of the Company’s outstanding common units through September 28, 2019. Purchases made pursuant to the program may be made in either the open market or in privately negotiated transactions from time to time as permitted by securities laws and other legal requirements. There were no purchases under the plan during the three and nine months ended September 30, 2019 or for the year ended December 31, 2018.

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Impairment and Disposal of Long-Lived Assets

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

Impairment and Disposal of Long-Lived Assets

7: Impairment or Disposal of Long-Lived Assets

In 2017, the Company initiated a strategic shift whereby it adopted a plan to divest of its remaining suburban office properties. In the third quarter of 2018, the Company updated its strategy whereby it adopted a plan to divest of all of its remaining office properties. The Company determined that the strategic shift would have a major effect on its operations and financial results. As such, properties sold or those that meet the criteria to be classified as held for sale within the corporate strategy were classified within discontinued operations. Consistent with the held for sale criteria these properties are expected to be sold within one year. As a result of the classification within discontinued operations, the in-service assets and liabilities of this portfolio are required to be presented as held for sale for all prior periods presented in our Consolidated Balance Sheets. Operating results pertaining to these properties were reclassified to discontinued operations for all prior periods presented in our Consolidated Statements of Comprehensive Income.

The following table illustrates the number of sold or held for sale properties included in, or excluded from, discontinued operations:

	Held for sale as of September 30, 2019	Sold during the nine months ended September 30, 2019	Sold during the year ended December 31, 2018	Total
Properties included in discontinued operations	9	13	37	59
Properties included in continuing operations	1	1	2	4
Properties sold or classified as held for sale	10	14	39	63

In addition, there were three land parcels comprising 74.4 acres included as held for sale as of September 30, 2019.

The properties held for sale with operating results in discontinued operations as of September 30, 2019 were located in the following reportable segments: one property in Chicago/Minneapolis, six properties in Philadelphia and two properties in the United Kingdom.

A summary of the results of operations for the properties classified as discontinued operations is as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
Revenues	$	8,498		$	23,911		$	33,593		$	73,613
Operating expenses	(3,117		)	(5,329		)	(10,903		)	(17,276		)
Depreciation and amortization	—			(2,666		)	(2,129		)	(11,138		)
Impairment charges - real estate assets	(7,190		)	—			(21,482		)	—
Interest and other income (expense)	4			(31		)	(57		)	(132		)
Income taxes	(5		)	(28		)	(298		)	(83		)
Loss on debt extinguishment	—			—			(7,618		)	—
Interest expense	(429		)	(1,537		)	(1,653		)	(5,142		)
Gain on property dispositions	44,428			94,878			116,452			184,689
Income from discontinued operations	42,189			109,198			105,905			224,531
Noncontrolling interest - operating partnership	(916		)	(2,544		)	(2,404		)	(5,232		)
Noncontrolling interest - consolidated joint venture	—			(224		)	(186		)	(412		)
Income from discontinued operations available to common shareholders	$	41,273		$	106,430		$	103,315		$	218,887

Interest expense has been allocated to discontinued operations. The allocation of interest expense to discontinued operations was based on the ratio of net assets sold and held for sale included in discontinued operations to the sum of total net assets plus consolidated debt.

Capital expenditures on a cash basis related to properties within discontinued operations were $0.1 million and $3.6 million, respectively, for the three and nine months ended September 30, 2019, and $10.8 million and $38.3 million, respectively, for the three and nine months ended September 30, 2018.

Assets Held for Sale

As of September 30, 2019, 10 properties were classified as held for sale, of which nine properties met the criteria to be classified within discontinued operations and one property was classified within continuing operations. In addition, there were three land parcels comprising 74.4 acres included as held for sale as of September 30, 2019.

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

	September 30, 2019									December 31, 2018
	Included in Continuing Operations			Included in Discontinued Operations			Total			Included in Continuing Operations			Included in Discontinued Operations			Total
Land and land improvements	$	613		$	19,210		$	19,823		$	1,301		$	113,080		$	114,381
Buildings and improvements	8,541			174,595			183,136			5,638			384,737			390,375
Development in progress	—			10,108			10,108			—			9,597			9,597
Land held for development	19,420			—			19,420			26,253			—			26,253
Accumulated depreciation	(3,745		)	(21,592		)	(25,337		)	(1,546		)	(70,242		)	(71,788		)
Deferred financing and leasing costs, net	717			7,910			8,627			58			13,697			13,755
Other assets	756			9,971			10,727			164			19,470			19,634
Total assets held for sale	$	26,302		$	200,202		$	226,504		$	31,868		$	470,339		$	502,207
Total liabilities held for sale	$	419		$	15,520		$	15,939		$	141		$	20,990		$	21,131

Impairment Charges - Real Estate Assets

The Company recorded $7.2 million and $21.6 million of impairment charges during the three and nine months ended September 30, 2019, respectively. These impairment charges were primarily related to an office building in the Company's DC Metro segment that was sold in the three months ended September 30, 2019 and is primarily included in discontinued operations in the Company's Consolidated Statements of Comprehensive Income.

The Company determined these impairments based on third party offer prices which are Level 2 according to the fair value hierarchy established in ASC 820.

The Company recorded a $26.0 million impairment charge during the nine months ended September 30, 2018. This charge related to the Camden Waterfront project located in Camden, New Jersey and reported in the Company's Philadelphia reportable segment. The Company determined this impairment based on quoted offer prices on comparable properties, which is a Level 3 fair value calculation.

The Company has applied reasonable estimates and judgments in evaluating each of its properties and land held for development and has determined that there are no additional valuation adjustments necessary at September 30, 2019. Should external or internal circumstances change requiring the need to shorten the holding periods or adjust the estimated future cash flows of the Company’s assets, the Company could be required to record additional impairment charges in the future.

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Noncontrolling Interest - Operating Partnership/Limited Partners' Equity - Preferred Units (Tables)

9 Months Ended

Sep. 30, 2019

Temporary Equity [Line Items]

Schedule of preferred units

As of September 30, 2019, the Company had outstanding the following cumulative preferred units of the Operating Partnership:

ISSUE	AMOUNT		UNITS	LIQUIDATION PREFERENCE		DIVIDEND RATE
	(in 000’s)
Series I-2	$	5,337	213	$	25	6.25	%

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Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2019

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of accumulated other comprehensive income

The following table sets forth the components of Accumulated Other Comprehensive Loss (in thousands):

	As of and for the nine months ended September 30,
	2019			2018
Foreign Currency Translation:
Beginning balance	$	(52,862	)	$	(38,701	)
Translation adjustment	(7,574		)	(9,221		)
Ending balance	(60,436		)	(47,922		)
Derivative Instruments:
Beginning balance	(3,550		)	150
Unrealized gain	(1,820		)	620
Reclassification adjustment (1)	(67		)	(127		)
Ending balance	(5,437		)	643
Total accumulated other comprehensive loss	(65,873		)	(47,279		)
Less: portion included in noncontrolling interest – operating partnership	1,377			957
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity	$	(64,496	)	$	(46,322	)

(1)

Amounts reclassified out of Accumulated Other Comprehensive Loss/General & Limited Partner's Equity into contractual interest expense.

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Income per Common Unit of the Operating Partnership - Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income (Numerator) [Abstract]
Income from continuing operations net of noncontrolling interest	$ 59,091	$ 43,713	$ 151,150	$ 91,051
Income from discontinued operations	41,273	106,430	103,315	218,887
Net income available to common shareholders	$ 100,364	$ 150,143	$ 254,465	$ 309,938
Weighted Average Units (Denominator) [Abstract]
Income from continuing operations net of noncontrolling interest - basic, weighted average shares (in shares)	150,140	147,324	148,532	147,241
Dilutive units for long-term compensation plans	839	947	851	919
Income from continuing operations net of noncontrolling interest - diluted, weighted average shares (in shares)	150,979	148,271	149,383	148,160
Liberty Property Limited Partnership
Income (Numerator) [Abstract]
Income from continuing operations net of noncontrolling interest	$ 60,484	$ 44,865	$ 154,872	$ 93,557
Preferred unit distributions	(83)	(118)	(251)	(354)
Income from continuing operations available to common unitholders	60,401	44,747	154,621	93,203
Income from discontinued operations	42,189	108,974	105,719	224,119
Net income available to common shareholders	$ 102,590	$ 153,721	$ 260,340	$ 317,322
Weighted Average Units (Denominator) [Abstract]
Income from continuing operations net of noncontrolling interest - basic, weighted average shares (in shares)	153,646	150,844	152,045	150,761
Dilutive units for long-term compensation plans	839	947	851	919
Income from continuing operations net of noncontrolling interest - diluted, weighted average shares (in shares)	154,485	151,791	152,896	151,680
Liberty Property Limited Partnership | Common Units
Earnings Per Unit, Basic [Abstract]
Income from continuing operations (in usd per share)	$ 0.39	$ 0.30	$ 1.02	$ 0.62
Income from discontinued operations (in usd per share)	0.28	0.72	0.69	1.48
Income per common share or unit - basic (in usd per share)	0.67	1.02	1.71	2.10
Earnings Per Unit, Diluted [Abstract]
Income from continuing operations (in usd per share)	0.39	0.29	1.01	0.61
Income from discontinued operations (in usd per share)	0.27	0.72	0.69	1.48
Income per common share or unit - diluted (in usd per share)	$ 0.66	$ 1.01	$ 1.70	$ 2.09

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Income per Common Unit of the Operating Partnership Equity Offering (Details) - Liberty Property Limited Partnership - Common Units $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended
	Sep. 30, 2019 USD ($) $ / shares shares
Class of Shares [Line Items]
Units, Issued | shares	9.2
Units Issued, Price Per Unit | $ / shares	$ 50.50
Proceeds from Issuance of Units | $	$ 447.9

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Commitments and Contingencies - Legal Matters (Details)	Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Number of legal claims	0

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Unconsolidated Joint Ventures - Liberty Property 18th & Arch LP and Liberty Property 18th & Arch, Hotel, LP (Details) $ in Thousands, ft² in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($) investment	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) investment	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2014 ft² room investment story
Schedule of Equity Method Investments [Line Items]
Investments in and advances to unconsolidated joint ventures	$ 347,880		$ 347,880		$ 350,981
Philadelphia | Liberty Property 18th & Arch
Schedule of Equity Method Investments [Line Items]
Number of equity method investments (in investments) | investment	2		2			2
Anticipated Aggregate Investment	$ 968,000		$ 968,000
Investments in and advances to unconsolidated joint ventures	193,700		193,700
Philadelphia | Construction in Progress | Liberty Property 18th & Arch
Schedule of Equity Method Investments [Line Items]
Number of stories in a high-rise building (in stories) | story						60
Number of hotel rooms (in rooms) | room						219
Leaseable square feet (in sqft) | ft²						1.3
Other Liabilities | Philadelphia | Liberty Property 18th & Arch | Guarantee Obligations
Schedule of Equity Method Investments [Line Items]
Loss contingency accrual	29,600	$ 69,300	29,600	$ 69,300	$ 67,300
Accounts Payable [Member] | Philadelphia | Liberty Property 18th & Arch | Guarantee Obligations
Schedule of Equity Method Investments [Line Items]
Retention Payable	24,000		24,000
Equity Method Investee | Liberty Property 18th & Arch | Philadelphia
Schedule of Equity Method Investments [Line Items]
Net operating income	$ 0	$ 0	$ 0	$ (61,800)

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Subsequent Events (Details) $ in Thousands		1 Months Ended	9 Months Ended
	Oct. 12, 2019 USD ($)	Oct. 28, 2019	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Subsequent Event [Line Items]
Loss on debt extinguishment			$ 7,618	$ 0
Subsequent Event [Member]
Subsequent Event [Line Items]
Loss on debt extinguishment	$ 9,000
Unsecured Notes | Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of unsecured notes	$ 350,000
Interest Rate	4.75%
Prologis Inc. [Member] | Common shares | Liberty Property Trust [Member] | Subsequent Event [Member]
The Proposed Merger with Prologis, Inc. [Abstract]
Conversion ratio		0.675
Prologis Inc. [Member] | Common Units | Liberty Property Limited Partnership | Subsequent Event [Member]
The Proposed Merger with Prologis, Inc. [Abstract]
Conversion ratio		0.675