10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

ý ANNUAL REPORT PURSUANT TO THE SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017

OR

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

For the transition period from              to             

Commission file number: 1-07533

FEDERAL REALTY INVESTMENT TRUST

(Exact Name of Registrant as Specified in its Declaration of Trust)

Maryland	52-0782497
(State of Organization)	(IRS Employer Identification No.)
1626 East Jefferson Street, Rockville, Maryland	20852
(Address of Principal Executive Offices)	(Zip Code)

(301) 998-8100

(Registrant’s Telephone Number, Including Area Code)

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

Title of Each Class	Name of Each Exchange On Which Registered
Common Shares of Beneficial Interest, $.01 par value per share, with associated Common Share Purchase Rights	New York Stock Exchange
Depository Shares, each representing 1/1000 of a share of 5.00% Series C Cumulative Redeemable Preferred Stock, $.01 par value per share	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ý  Yes    ¨  No

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. ¨  Yes    ý  No

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

Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    ý  Yes    ¨  No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of Registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ý

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large Accelerated Filer	ý	Accelerated Filer	¨
Non-Accelerated Filer	o  (Do not check if a smaller reporting company)	Smaller reporting company	¨
		Emerging growth company	¨
If an emerging growth company, indicate by checkmark if the registrant has elected not use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.			¨

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

The aggregate market value of the Registrant's common shares held by non-affiliates of the Registrant, based upon the closing sales price of the Registrant's common shares on June 30, 2017 was $9.1 billion.

The number of Registrant’s common shares outstanding on February 8, 2018 was 73,192,726.

FEDERAL REALTY INVESTMENT TRUST

ANNUAL REPORT ON FORM 10-K

FISCAL YEAR ENDED DECEMBER 31, 2017

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Registrant’s Proxy Statement to be filed with the Securities and Exchange Commission for the Registrant’s 2017 annual meeting of shareholders to be held in May 2018 will be incorporated by reference into Part III hereof.

TABLE OF CONTENTS

PART I
Item 1.	Business	3
Item 1A.	Risk Factors	7
Item 1B.	Unresolved Staff Comments	16
Item 2.	Properties	16
Item 3.	Legal Proceedings	24
Item 4.	Mine Safety Disclosures	25
PART II
Item 5.	Market for Our Common Equity and Related Shareholder Matters and Issuer Purchases of Equity Securities	26
Item 6.	Selected Financial Data	28
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	30
Item 7A.	Quantitative and Qualitative Disclosures about Market Risk	51
Item 8.	Financial Statements and Supplementary Data	51
Item 9.	Changes In and Disagreements with Accountants on Accounting and Financial Disclosure	52
Item 9A.	Controls and Procedures	52
Item 9B.	Other Information	52
PART III
Item 10.	Trustees, Executive Officers and Corporate Governance	53
Item 11.	Executive Compensation	53
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters	53
Item 13.	Certain Relationships and Related Transactions, and Trustee Independence	53
Item 14.	Principal Accountant Fees and Services	53
PART IV
Item 15.	Exhibits and Financial Statement Schedules	53
Item 16.	Form 10-K Summary	57
SIGNATURES		58

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PART I

ITEM 1.    BUSINESS

References to “we,” “us,” “our” or the “Trust” refer to Federal Realty Investment Trust and our business and operations conducted through our directly or indirectly owned subsidiaries.

General

We are an equity real estate investment trust (“REIT”) specializing in the ownership, management, and redevelopment of high quality retail and mixed-use properties located primarily in densely populated and affluent communities in strategically selected metropolitan markets in the Northeast and Mid-Atlantic regions of the United States, as well as in California and South Florida. As of December 31, 2017, we owned or had a majority interest in community and neighborhood shopping centers and mixed-use properties which are operated as 104 predominantly retail real estate projects comprising approximately 24.2 million square feet. In total, the real estate projects were 95.3% leased and 93.9% occupied at December 31, 2017. We have paid quarterly dividends to our shareholders continuously since our founding in 1962 and have increased our dividends per common share for 50 consecutive years.

We were founded in 1962 as a REIT under the laws of the District of Columbia and re-formed as a REIT in the state of Maryland in 1999. We operate in a manner intended to qualify as a REIT for tax purposes pursuant to provisions of the Internal Revenue Code of 1986, as amended (the “Code”). Our principal executive offices are located at 1626 East Jefferson Street, Rockville, Maryland 20852. Our telephone number is (301) 998-8100. Our website address is www.federalrealty.com. The information contained on our website is not a part of this report and is not incorporated herein by reference.

Business Objectives and Strategies

Our primary business objective is to own, manage, acquire and redevelop a portfolio of high quality retail focused properties that will:

• provide increasing cash flow for distribution to shareholders;

• generate higher internal growth than the shopping center industry over the long term;

• provide potential for capital appreciation; and

• protect investor capital.

Our portfolio includes, and we continue to acquire and redevelop, high quality retail in many formats ranging from regional, community and neighborhood shopping centers that often are anchored by grocery stores to mixed-use properties that are typically centered around a retail component but also include office, residential and/or hotel components.

Operating Strategies

Our core operating strategy is to actively manage our properties to maximize rents and maintain occupancy levels by attracting and retaining a strong and diverse base of tenants and replacing less relevant, weaker, underperforming tenants with stronger ones. Our properties are generally located in some of the most densely populated and affluent areas of the country. These strong demographics help our tenants generate higher sales, which has enabled us to maintain higher occupancy rates, charge higher rental rates, and maintain steady rent growth, all of which increase the value of our portfolio. Our operating strategies also include:

• increasing rental rates through the renewal of expiring leases or the leasing of space to new tenants at higher rental rates while limiting vacancy and down-time;

• maintaining a diversified tenant base, thereby limiting exposure to any one tenant’s financial or operating difficulties;

• monitoring the merchandising mix of our tenant base to achieve a balance of strong national and regional tenants with local specialty tenants;

• minimizing overhead and operating costs;

• monitoring the physical appearance of our properties and the construction quality, condition and design of the buildings and other improvements located on our properties to maximize our ability to attract customers and thereby generate higher rents and occupancy rates;

• developing local and regional market expertise in order to capitalize on market and retailing trends;

• leveraging the contacts and experience of our management team to build and maintain long-term relationships with tenants;

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• providing exceptional customer service; and

• creating an experience at many of our properties that is identifiable, unique and serves the surrounding communities to help insulate these properties and the tenants at these properties from the impact of on-line retailing.

Investing Strategies

Our investment strategy is to deploy capital at risk-adjusted rates of return that exceed our long-term weighted average cost of capital in projects that have potential for future income growth and increased value. Our investments primarily fall into one of the following four categories:

• renovating, expanding, reconfiguring and/or retenanting our existing properties to take advantage of under-utilized land or existing square footage to increase revenue;

• renovating or expanding tenant spaces for tenants capable of producing higher sales, and therefore, paying higher rents;

• acquiring quality retail and mixed-use properties located in densely populated and/or affluent areas where barriers to entry for further development are high, and that have possibilities for enhancing operating performance and creating value through renovation, expansion, reconfiguration and/or retenanting; and

• developing the retail portions of mixed-use properties and developing or otherwise investing in non-retail portions of mixed-use properties we already own in order to capitalize on the overall value created in these properties.

Investment Criteria

When we evaluate potential redevelopment, retenanting, expansion, acquisition and development opportunities, we consider such factors as:

• the expected returns in relation to our short and long-term cost of capital as well as the anticipated risk we will face in achieving the expected returns;

• the anticipated growth rate of operating income generated by the property;

• the ability to increase the long-term value of the property through redevelopment and retenanting;

• the tenant mix at the property, tenant sales performance and the creditworthiness of those tenants;

• the geographic area in which the property is located, including the population density, household incomes, education levels, as well as the population and income trends in that geographic area;

• competitive conditions in the vicinity of the property, including gross leasable area (GLA) per capita, competition for tenants and the ability of others to create competing properties through redevelopment, new construction or renovation;

• access to and visibility of the property from existing roadways and the potential for new, widened or realigned, roadways within the property’s trade area, which may affect access and commuting and shopping patterns;

• the level and success of our existing investments in the market area;

• the current market value of the land, buildings and other improvements and the potential for increasing those market values; and

• the physical condition of the land, buildings and other improvements, including the structural and environmental condition.

Financing Strategies

Our financing strategies are designed to enable us to maintain an investment grade balance sheet while retaining sufficient flexibility to fund our operating and investing activities in the most cost-efficient way possible. Our financing strategies include:

• maintaining a prudent level of overall leverage and an appropriate pool of unencumbered properties that is sufficient to support our unsecured borrowings;

• managing our exposure to variable-rate debt;

• maintaining an available line of credit to fund operating and investing needs on a short-term basis;

• taking advantage of market opportunities to refinance existing debt, reduce interest costs and manage our debt maturity schedule so that a significant portion of our debt relative to our size does not mature in any one year;

• selling properties that have limited growth potential or are not a strategic fit within our overall portfolio and redeploying the proceeds to redevelop, renovate, retenant and/or expand our existing properties, acquire new properties or reduce debt; and

• utilizing the most advantageous long-term source of capital available to us to finance redevelopment and acquisition opportunities, which may include:

◦ the sale of our equity or debt securities through public offerings, including our at-the-market ("ATM") equity program in which we may from time to time offer and sell common shares, or private placements,

◦ the incurrence of indebtedness through unsecured or secured borrowings,

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◦ the issuance of operating partnership units in a new or existing “downREIT partnership” that is controlled and consolidated by us (generally operating partnership units in a “downREIT” partnership are issued in exchange for a tax deferred contribution of property; these units receive the same distributions as our common shares and the holders of these units have the right to exchange their units for cash or the same number of our common shares, at our option), or

◦ the use of joint venture arrangements.

Employees

At February 8, 2018, we had 311 full-time employees and 15 part-time employees. None of our employees are represented by a collective bargaining unit. We believe that our relationship with our employees is good.

Tax Status

We elected to be taxed as a REIT under the federal income tax laws when we filed our 1962 tax return. As a REIT, we are generally not subject to federal income tax on taxable income that we distribute to our shareholders. Under the Code, REITs are subject to numerous organizational and operational requirements, including the requirement to generally distribute at least 90% of taxable income each year. We will be subject to federal income tax on our taxable income (including any applicable alternative minimum tax) at regular corporate rates if we fail to qualify as a REIT for tax purposes in any taxable year, or to the extent we distribute less than 100% of our taxable income. We will also generally not qualify for treatment as a REIT for federal income tax purposes for four years following the year during which qualification is lost. Even if we qualify as a REIT for federal income tax purposes, we may be subject to certain state and local income and franchise taxes and to federal income and excise taxes on our undistributed taxable income.

We have elected to treat certain of our subsidiaries as taxable REIT subsidiaries, which we refer to as a TRS. In general, a TRS may engage in any real estate business and certain non-real estate businesses, subject to certain limitations under the Code. A TRS is subject to federal and state income taxes. Our TRS activities have not been material.

Governmental Regulations Affecting Our Properties

We and our properties are subject to a variety of federal, state and local environmental, health, safety and similar laws, including without limitation:

• the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended, which we refer to as CERCLA;

• the Resource Conservation & Recovery Act;

• the Federal Clean Water Act;

• the Federal Clean Air Act;

• the Toxic Substances Control Act;

• the Occupational Safety & Health Act; and

• the Americans with Disabilities Act.

The application of these laws to a specific property that we own depends on a variety of property-specific circumstances, including the current and former uses of the property, the building materials used at the property and the physical layout of the property. Under certain environmental laws, principally CERCLA, we, as the owner or operator of properties currently or previously owned, may be required to investigate and clean up certain hazardous or toxic substances, asbestos-containing materials, or petroleum product releases at the property. We may also be held liable to a governmental entity or third parties for property damage and for investigation and clean up costs incurred in connection with the contamination, whether or not we knew of, or were responsible for, such contamination. In addition, some environmental laws create a lien on the contaminated site in favor of the government for damages and costs it incurs in connection with the contamination. As the owner or operator of real estate, we also may be liable under common law to third parties for damages and injuries resulting from environmental contamination emanating from the real estate. Such costs or liabilities could exceed the value of the affected real estate. The presence of contamination or the failure to remediate contamination may adversely affect our ability to sell or lease real estate or to borrow using the real estate as collateral.

Neither existing environmental, health, safety and similar laws nor the costs of our compliance with these laws has had a material adverse effect on our financial condition or results of operations, and management does not believe they will in the future. In addition, we have not incurred, and do not expect to incur, any material costs or liabilities due to environmental contamination at properties we currently own or have owned in the past. However, we cannot predict the impact of new or changed laws or regulations on properties we currently own or may acquire in the future. We have no current plans for substantial capital expenditures with respect to compliance with environmental, health, safety and similar laws and we carry environmental insurance which covers a number of environmental risks for most of our properties.

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Competition

Numerous commercial developers and real estate companies compete with us with respect to the leasing and the acquisition of properties. Some of these competitors may possess greater capital resources than we do, although we do not believe that any single competitor or group of competitors in any of the primary markets where our properties are located are dominant in that market. This competition may:

• reduce the number of properties available for acquisition;

• increase the cost of properties available for acquisition;

• interfere with our ability to attract and retain tenants, leading to increased vacancy rates and/or reduced rents; and

• adversely affect our ability to minimize expenses of operation.

Retailers at our properties also face increasing competition from online retailers, outlet stores, discount shopping clubs, superstores, and other forms of sales and marketing of goods and services, such as direct mail. This competition could contribute to lease defaults and insolvency of tenants.

Available Information

Copies of our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (the “Exchange Act”) are available free of charge through the Investors section of our website at www.federalrealty.com as soon as reasonably practicable after we electronically file the material with, or furnish the material to, the Securities and Exchange Commission, or the SEC.

Our Corporate Governance Guidelines, Code of Business Conduct, Code of Ethics applicable to our Chief Executive Officer and senior financial officers, Whistleblower Policy, organizational documents and the charters of our audit committee, compensation committee and nominating and corporate governance committee are all available in the Corporate Governance section of the Investors section of our website.

Amendments to the Code of Ethics or Code of Business Conduct or waivers that apply to any of our executive officers or our senior financial officers will be disclosed in that section of our website as well.

You may obtain a printed copy of any of the foregoing materials from us by writing to us at Investor Relations, Federal Realty Investment Trust, 1626 East Jefferson Street, Rockville, Maryland 20852.

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ITEM 1A.    RISK FACTORS

This Annual Report on Form 10-K contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Exchange Act and the Private Securities Litigation Reform Act of 1995. Also, documents that we “incorporate by reference” into this Annual Report on Form 10-K, including documents that we subsequently file with the SEC will contain forward-looking statements. When we refer to forward-looking statements or information, sometimes we use words such as “may,” “will,” “could,” “should,” “plans,” “intends,” “expects,” “believes,” “estimates,” “anticipates” and “continues.” In particular, the below risk factors describe forward-looking information. The risk factors describe risks that may affect these statements but are not all-inclusive, particularly with respect to possible future events. Many things can happen that can cause actual results to be different from those we describe. These factors include, but are not limited to the following:

Revenue from our properties may be reduced or limited if the retail operations of our tenants are not successful.

Revenue from our properties depends primarily on the ability of our tenants to pay the full amount of rent and other charges due under their leases on a timely basis. Some of our leases provide for the payment, in addition to base rent, of additional rent above the base amount according to a specified percentage of the gross sales generated by the tenants and generally provide for reimbursement of real estate taxes and expenses of operating the property. Economic and/or competitive conditions may impact the success of our tenants’ retail operations and therefore the amount of rent and expense reimbursements we receive from our tenants. While demand for our retail spaces has been sufficient to increase occupancy, there can be no assurance that this will continue. Any reduction in our tenants' abilities to pay base rent, percentage rent, or other charges on a timely basis, including the filing by any of our tenants for bankruptcy protection, will adversely affect our financial condition and results of operations. In the event of default by a tenant, we may experience delays and unexpected costs in enforcing our rights as landlord under lease terms, which may also adversely affect our financial condition and results of operations.

Our net income depends on the success and continued presence of our “anchor” tenants.

Our net income could be adversely affected in the event of a downturn in the business, or the bankruptcy or insolvency, of any anchor store or anchor tenant. Anchor tenants generally occupy large amounts of square footage, pay a significant portion of the total rents at a property and contribute to the success of other tenants by drawing significant numbers of customers to a property. The closing of one or more anchor stores at a property could adversely affect that property and result in lease terminations by, or reductions in rent from, other tenants whose leases may permit termination or rent reduction in those circumstances or whose own operations may suffer as a result. We have been experiencing higher levels of anchor vacancy and expect this will persist over the next few years while we are actively releasing vacant space, and in some cases, redeveloping the shopping center. As of December 31, 2017, our anchor tenant space is 98.1% leased and 96.5% occupied. We also have seen an overall decrease in the number of tenants available to fill anchor spaces. Therefore, tenant demand for certain of our anchor spaces may decrease and as a result, we may see an increase in vacancy and/or a decrease in rents for those spaces that could have a negative impact to our net income.

We may be unable to collect balances due from tenants that file for bankruptcy protection.

If a tenant or lease guarantor files for bankruptcy, we may not be able to collect all pre-petition amounts owed by that party. In addition, a tenant that files for bankruptcy protection may terminate our lease in which event we would have a general unsecured claim that would likely be for less than the full amount owed to us for the remainder of the lease term, which could adversely affect our financial condition and results of operations.

We may experience difficulty or delay in renewing leases or re-leasing space.

We derive most of our revenue directly or indirectly from rent received from our tenants. We are subject to the risks that, upon expiration or termination of leases, whether by their terms, as a result of a tenant bankruptcy, general economic conditions or otherwise, leases for space in our properties may not be renewed, space may not be re-leased, or the terms of renewal or re-lease, including the cost of required renovations or concessions to tenants, may be less favorable than current lease terms and may include decreases in rental rates. As a result, our net income could be reduced.

The amount of debt we have and the restrictions imposed by that debt could adversely affect our business and financial condition.

As of December 31, 2017, we had approximately $3.3 billion of debt outstanding. Of that outstanding debt, approximately $491.6 million was secured by all or a portion of 13 of our real estate projects and approximately $71.6 million represented capital lease obligations on four of our properties. As of December 31, 2017, 98.8% of our debt is fixed rate, which includes all of our property secured debt, our unsecured senior notes, our capital lease obligations, and our $275.0 million term loan, as the rate is effectively fixed by two interest rate swap agreements. Our organizational documents do not limit the level or amount of

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debt that we may incur. The amount of our debt outstanding from time to time could have important consequences to our shareholders. For example, it could:

• require us to dedicate a substantial portion of our cash flow from operations to payments on our debt, thereby reducing funds available for operations, property acquisitions, redevelopments and other appropriate business opportunities that may arise in the future;

• limit our ability to make distributions on our outstanding common shares and preferred shares;

• make it difficult to satisfy our debt service requirements;

• require us to dedicate increased amounts of our cash flow from operations to payments on debt upon refinancing or on our variable rate, unhedged debt, if interest rates rise;

• limit our flexibility in planning for, or reacting to, changes in our business and the factors that affect the profitability of our business;

• limit our ability to obtain any additional debt or equity financing we may need in the future for working capital, debt refinancing, capital expenditures, acquisitions, redevelopments or other general corporate purposes or to obtain such financing on favorable terms; and/or

• limit our flexibility in conducting our business, which may place us at a disadvantage compared to competitors with less debt or debt with less restrictive terms.

Our ability to make scheduled principal payments of, to pay interest on, or to refinance our indebtedness will depend primarily on our future performance, which to a certain extent is subject to economic, financial, competitive and other factors beyond our control. There can be no assurance that our business will continue to generate sufficient cash flow from operations in the future to service our debt or meet our other cash needs. If we are unable to generate this cash flow from our business, we may be required to refinance all or a portion of our existing debt, sell assets or obtain additional financing to meet our debt obligations and other cash needs, including the payment of dividends required to maintain our status as a real estate investment trust. We cannot assure you that any such refinancing, sale of assets or additional financing would be possible on terms that we would find acceptable.

We are obligated to comply with financial and other covenants pursuant to our debt obligations that could restrict our operating activities, and the failure to comply with such covenants could result in defaults that accelerate payment under our debt agreements.

Our revolving credit facility, term loan and certain series of notes include financial covenants that may limit our operating activities in the future. We are also required to comply with additional covenants that include, among other things, provisions:

• relating to the maintenance of property securing a mortgage;

• restricting our ability to pledge assets or create liens;

• restricting our ability to incur additional debt;

• restricting our ability to amend or modify existing leases at properties securing a mortgage;

• restricting our ability to enter into transactions with affiliates; and

• restricting our ability to consolidate, merge or sell all or substantially all of our assets.

As of December 31, 2017, we were in compliance with all of our default related financial covenants. If we were to breach any of our default related debt covenants, including the covenants listed above, and did not cure the breach within any applicable cure period, our lenders could require us to repay the debt immediately, and, if the debt is secured, could immediately begin proceedings to take possession of the property securing the loan. Many of our debt arrangements, including our public notes, term loan and our revolving credit facility, are cross-defaulted, which means that the lenders under those debt arrangements can put us in default and require immediate repayment of their debt if we breach and fail to cure a default under certain of our other debt obligations. As a result, any default under our debt covenants could have an adverse effect on our financial condition, our results of operations, our ability to meet our obligations and the market value of our shares.

Adverse changes in our credit rating could affect our borrowing capacity and borrowing terms

Our credit worthiness is rated by nationally recognized credit rating agencies. The credit ratings assigned are based on our operating performance, liquidity and leverage ratios, financial condition and prospects, and other factors viewed by the credit rating agencies as relevant to our industry and the economic outlook in general. Our credit rating can affect the amount of capital we access, as well as the terms of certain existing and future financing we obtain. Since we depend on debt financing to fund the growth of our business, an adverse change in our credit rating, including actual changes in outlook, or even the initiation of review of our credit rating that could result in an adverse change, could have a material adverse effect on us.

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Our development activities have inherent risks.

The ground-up development of improvements on real property, as opposed to the renovation and redevelopment of existing improvements, presents substantial risks. We generally do not look to acquire raw land for future development; however, we do intend to complete the development and construction of future phases of projects we already own, such as Assembly Row in Somerville, Massachusetts and Pike & Rose in North Bethesda, Maryland. We may undertake development of these and other projects on our own or bring in third parties if it is justifiable on a risk-adjusted return basis. We may also choose to delay completion of a project if market conditions do not allow an appropriate return. If conditions arise and we are not able or decide not to complete a project or if the expected cash flows of our project do not exceed the book value, an impairment of the project may be required. If additional phases of any of our existing projects or if any new projects are not successful, it may adversely affect our financial condition and results of operations.

During 2017, construction continued on the development of Phase II at both Assembly Row and Pike & Rose, with portions of both projects opening during 2017. At Santana Row, we continue our on-going redevelopment efforts, including construction of an eight story 284,000 square foot office building, which will include an additional 29,000 square feet of retail space and 1,300 parking spaces. A further discussion of these projects, expected costs, and current status can be found in Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in the "Outlook" subsection.

In addition to the risks associated with real estate investment in general, as described elsewhere and the specific risks above, the risks associated with our remaining development activities include:

• contractor changes may delay the completion of development projects and increase overall costs;

• significant time lag between commencement and stabilization subjects us to greater risks due to fluctuations in the general economy;

• delivery of residential product (both rental units and for sale condominium units) into uncertain residential environments may result in lower rents or sale prices than underwritten or longer time periods to reach economic stabilization;

• substantial amount of our investment is related to infrastructure, the value of which may be negatively impacted if we do not complete subsequent phases;

• failure or inability to obtain construction or permanent financing on favorable terms;

• failure or inability to obtain public funding from governmental agencies to fund infrastructure projects, including public funding in connection with our development at Assembly Row;

• expenditure of money and time on projects that may never be completed;

• failure or inability of partners to perform on hotel joint ventures;

• the third-party developer of office or other buildings may not deliver or may encounter delays in delivering space as planned;

• difficulty securing key anchor or other tenants may impact occupancy rates and projected revenue;

• inability to achieve projected rental rates or anticipated pace of lease-up;

• higher than estimated construction or operating costs, including labor and material costs; and

• possible delay in completion of a project because of a number of factors, including weather, labor disruptions, construction delays or delays in receipt of zoning or other regulatory approvals, acts of terror or other acts of violence, or acts of God (such as fires, earthquakes or floods).

Redevelopments and acquisitions may fail to perform as expected.

Our investment strategy includes the redevelopment and acquisition of high quality, retail focused properties in densely populated areas with high average household incomes and significant barriers to adding competitive retail supply. The redevelopment and acquisition of properties entail risks that include the following, any of which could adversely affect our results of operations and our ability to meet our obligations:

• our estimate of the costs to improve, reposition or redevelop a property may prove to be too low, or the time we estimate to complete the improvement, repositioning or redevelopment may be too short. As a result, the property may fail to achieve the returns we have projected, either temporarily or for a longer time;

• we may not be able to identify suitable properties to acquire or may be unable to complete the acquisition of the properties we identify;

• we may not be able to integrate an acquisition into our existing operations successfully;

• properties we redevelop or acquire may fail to achieve the occupancy or rental rates we project, within the time frames we project, at the time we make the decision to invest, which may result in the properties’ failure to achieve the returns we projected;

• our pre-acquisition evaluation of the physical condition of each new investment may not detect certain defects or identify necessary repairs until after the property is acquired, which could significantly increase our total acquisition costs or decrease cash flow from the property; and

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• our investigation of a property or building prior to our acquisition, and any representations we may receive from the seller of such building or property, may fail to reveal various liabilities, which could reduce the cash flow from the property or increase our acquisition cost.

Our ability to grow will be limited if we cannot obtain additional capital.

Our growth strategy is focused on the redevelopment of properties we already own and the acquisition of additional properties. We believe that it will be difficult to fund our expected growth with cash from operating activities because, in addition to other requirements, we are generally required to distribute to our shareholders at least 90% of our taxable income each year to continue to qualify as a REIT for federal income tax purposes. As a result, we must rely primarily upon the availability of debt or equity capital, which may or may not be available on favorable terms or at all. Debt could include the sale of debt securities and mortgage loans from third parties. If economic conditions and conditions in the capital markets are not favorable at the time we need to raise capital, we may need to obtain capital on less favorable terms. Additionally, we cannot guarantee that additional financing, refinancing or other capital will be available in the amounts we desire or on favorable terms. Our access to debt or equity capital depends on a number of factors, including the market’s perception of our growth potential and risk profile, our ability to pay dividends, and our current and potential future earnings. Depending on the outcome of these factors as well as the impact of the economic environment, we could experience delay or difficulty in implementing our growth strategy on satisfactory terms, or be unable to implement this strategy.

Rising interest rates could adversely affect our cash flow and the market price of our outstanding debt and preferred shares.

Of our approximately $3.3 billion of debt outstanding as of December 31, 2017, approximately $316.0 million bears interest at variable rates, of which $275.0 million is effectively fixed at 2.62% through two interest rate swap agreements. We have an $800.0 million revolving credit facility, on which $41.0 million is outstanding at December 31, 2017, that bears interest at LIBOR plus 82.5 basis points. We may borrow additional funds at variable interest rates in the future. Increases in interest rates would increase the interest expense on our variable rate debt and reduce our cash flow, which could adversely affect our ability to service our debt and meet our other obligations and also could reduce the amount we are able to distribute to our shareholders. We may enter into hedging arrangements or other transactions for all or a portion of our variable rate debt to limit our exposure to rising interest rates. However, the amounts we are required to pay under the term loan and any other variable rate debt to which hedging or similar arrangements relate may increase in the event of non-performance by the counterparties to any of our hedging arrangements. In addition, an increase in market interest rates may lead purchasers of our debt securities and preferred shares to demand a higher annual yield, which could adversely affect the market price of our outstanding debt securities and preferred shares and the cost and/or timing of refinancing or issuing additional debt securities or preferred shares.

The market value of our debt and equity securities is subject to various factors that may cause significant fluctuations or volatility.

As with other publicly traded securities, the market price of our debt and equity securities depends on various factors, which may change from time to time and/or may be unrelated to our financial condition, operating performance or prospects that may cause significant fluctuations or volatility in such prices. These factors include, among others:

• general economic and financial market conditions;

• level and trend of interest rates;

• our ability to access the capital markets to raise additional capital;

• the issuance of additional equity or debt securities;

• changes in our funds from operations (“FFO”) or earnings estimates;

• changes in our debt or analyst ratings;

• our financial condition and performance;

• market perception of our business compared to other REITs; and

• market perception of REITs, in general, compared to other investment alternatives.

Loss of our key management could adversely affect performance and the value of our common shares.

We are dependent on the efforts of our key management. Although we believe qualified replacements could be found for any departures of key executives, the loss of their services could adversely affect our performance and the value of our common shares.

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Our performance and value are subject to general risks associated with the real estate industry.

Our economic performance and the value of our real estate assets, and, consequently, the value of our investments, are subject to the risk that if our properties do not generate revenues sufficient to meet our operating expenses, including debt service and capital expenditures, our cash flow and ability to pay distributions to our shareholders will be adversely affected. As a real estate company, we are susceptible to the following real estate industry risks:

• economic downturns in general, or in the areas where our properties are located;

• adverse changes in local real estate market conditions, such as an oversupply or reduction in demand;

• changes in tenant preferences that reduce the attractiveness of our properties to tenants;

• zoning or regulatory restrictions;

• decreases in market rental rates;

• weather conditions that may increase or decrease energy costs and other weather-related expenses;

• costs associated with the need to periodically repair, renovate and re-lease space; and

• increases in the cost of adequate maintenance, insurance and other operating costs, including real estate taxes, associated with one or more properties, which may occur even when circumstances such as market factors and competition cause a reduction in revenues from one or more properties, although real estate taxes typically do not increase upon a reduction in such revenues.

Each of these risks could result in decreases in market rental rates and increases in vacancy rates, which could adversely affect our financial condition and results of operation.

Many real estate costs are fixed, even if income from our properties decreases.

Our financial results depend primarily on leasing space in our properties to tenants on terms favorable to us. Costs associated with real estate investment, such as real estate taxes, insurance and maintenance costs, generally are not reduced even when a property is not fully occupied, rental rates decrease, or other circumstances cause a reduction in income from the property. As a result, cash flow from the operations of our properties may be reduced if a tenant does not pay its rent or we are unable to rent our properties on favorable terms. Under those circumstances, we might not be able to enforce our rights as landlord without delays and may incur substantial legal costs. Additionally, new properties that we may acquire or redevelop may not produce any significant revenue immediately, and the cash flow from existing operations may be insufficient to pay the operating expenses and debt service associated with such new properties until they are fully occupied.

Competition may limit our ability to purchase new properties and generate sufficient income from tenants.

Numerous commercial developers and real estate companies compete with us in seeking tenants for our existing properties and properties for acquisition. This competition may:

• reduce properties available for acquisition;

• increase the cost of properties available for acquisition;

• reduce rents payable to us;

• interfere with our ability to attract and retain tenants;

• lead to increased vacancy rates at our properties; and

• adversely affect our ability to minimize expenses of operation.

Retailers at our properties also face increasing competition from online retailers, outlet stores, discount shopping clubs and other forms of sales and marketing of goods, such as direct mail. This competition could contribute to lease defaults and insolvency of tenants. If we are unable to continue to attract appropriate retail tenants to our properties, or to purchase new properties in our geographic markets, it could materially affect our ability to generate net income, service our debt and make distributions to our shareholders.

We may be unable to sell properties when appropriate because real estate investments are illiquid.

Real estate investments generally cannot be sold quickly. In addition, there are some limitations under federal income tax laws applicable to real estate and to REITs in particular that may limit our ability to sell our assets. We may not be able to alter our portfolio promptly in response to changes in economic or other conditions including being unable to sell a property at a return we believe is appropriate due to the economic environment. Our inability to respond quickly to adverse changes in the performance of our investments could have an adverse effect on our ability to meet our obligations and make distributions to our shareholders.

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Our insurance coverage on our properties may be inadequate.

We currently carry comprehensive insurance on all of our properties, including insurance for liability, fire, flood, earthquake, environmental matters, rental loss and acts of terrorism. All of these policies contain coverage limitations. We believe these coverages are of the types and amounts customarily obtained for or by an owner of similar types of real property assets located in the areas where our properties are located. We intend to obtain similar insurance coverage on subsequently acquired properties.

The availability of insurance coverage may decrease and the prices for insurance may increase as a consequence of significant losses incurred by the insurance industry and other factors outside our control. As a result, we may be unable to renew or duplicate our current insurance coverage in adequate amounts or at reasonable prices. In addition, insurance companies may no longer offer coverage against certain types of losses, such as losses due to terrorist acts and toxic mold, or, if offered, the expense of obtaining these types of insurance may not be justified. We therefore may cease to have insurance coverage against certain types of losses and/or there may be decreases in the limits of insurance available. If an uninsured loss or a loss in excess of our insured limits occurs, we could lose all or a portion of the capital we have invested in a property, as well as the anticipated future revenue from the property, but still remain obligated for any mortgage debt or other financial obligations related to the property. We cannot guarantee that material losses in excess of insurance proceeds will not occur in the future. If any of our properties were to experience a catastrophic loss, it could seriously disrupt our operations, delay revenue and result in large expenses to repair or rebuild the property. Also, due to inflation, changes in codes and ordinances, environmental considerations and other factors, it may not be feasible to use insurance proceeds to replace a building after it has been damaged or destroyed. Further, we may be unable to collect insurance proceeds if our insurers are unable to pay or contest a claim. Events such as these could adversely affect our results of operations and our ability to meet our obligations, including distributions to our shareholders.

We may have limited flexibility in dealing with our jointly owned investments.

Our organizational documents do not limit the amount of funds that we may invest in properties and assets owned jointly with other persons or entities. As of December 31, 2017, we held 16 predominantly retail real estate projects jointly with other persons in addition to properties owned in a “downREIT” structure. Additionally, we have entered into joint venture agreements related to the hotel component of Phase II of our Pike & Rose and Assembly Row development projects. We may make additional joint investments in the future. Our existing and future joint investments may subject us to special risks, including the possibility that our partners or co-investors might become bankrupt, that those partners or co-investors might have economic or other business interests or goals which are unlike or incompatible with our business interests or goals, that those partners or co-investors might be in a position to take action contrary to our suggestions or instructions, or in opposition to our policies or objectives, and that disputes may develop with our joint venture partners over decisions affecting the property or the joint venture, which may result in litigation or arbitration or some other form of dispute resolution. Although as of December 31, 2017, we held the controlling interests in all of our existing co-investments (except the hotel investments discussed above and the investment in the La Alameda shopping center acquired in 2017), we generally must obtain the consent of the co-investor or meet defined criteria to sell or to finance these properties. Joint ownership gives a third party the opportunity to influence the return we can achieve on some of our investments and may adversely affect our ability to make distributions to our shareholders. We may also be liable for the actions of our co-investors.

Environmental laws and regulations could reduce the value or profitability of our properties.

All real property and the operations conducted on real property are subject to federal, state and local laws, ordinances and regulations relating to hazardous materials, environmental protection and human health and safety. Under various federal, state and local laws, ordinances and regulations, we and our tenants may be required to investigate and clean up certain hazardous or toxic substances released on or in properties we own or operate, and also may be required to pay other costs relating to hazardous or toxic substances. This liability may be imposed without regard to whether we or our tenants knew about the release of these types of substances or were responsible for their release. The presence of contamination or the failure to properly remediate contamination at any of our properties may adversely affect our ability to sell or lease those properties or to borrow funds by using those properties as collateral. The costs or liabilities could exceed the value of the affected real estate. We are not aware of any environmental condition with respect to any of our properties that management believes would have a material adverse effect on our business, assets or results of operations taken as a whole. The uses of any of our properties prior to our acquisition of the property and the building materials used at the property are among the property-specific factors that will affect how the environmental laws are applied to our properties. If we are subject to any material environmental liabilities, the liabilities could adversely affect our results of operations and our ability to meet our obligations.

We cannot predict what other environmental legislation or regulations will be enacted in the future, how existing or future laws or regulations will be administered or interpreted or what environmental conditions may be found to exist on the properties in the future. Compliance with existing and new laws and regulations may require us or our tenants to spend funds to remedy

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environmental problems. Our tenants, like many of their competitors, have incurred, and will continue to incur, capital and operating expenditures and other costs associated with complying with these laws and regulations, which will adversely affect their potential profitability.

Generally, our tenants must comply with environmental laws and meet remediation requirements. Our leases typically impose obligations on our tenants to indemnify us from any compliance costs we may incur as a result of the environmental conditions on the property caused by the tenant. If a lease does not require compliance or if a tenant fails to or cannot comply, we could be forced to pay these costs. If not addressed, environmental conditions could impair our ability to sell or re-lease the affected properties in the future or result in lower sales prices or rent payments.

The Americans with Disabilities Act of 1990 could require us to take remedial steps with respect to existing or newly acquired properties.

Our existing properties, as well as properties we may acquire, as commercial facilities, are required to comply with Title III of the Americans with Disabilities Act of 1990. Investigation of a property may reveal non-compliance with this Act. The requirements of this Act, or of other federal, state or local laws or regulations, also may change in the future and restrict further renovations of our properties with respect to access for disabled persons. Future compliance with this Act may require expensive changes to the properties.

The revenues generated by our tenants could be negatively affected by various federal, state and local laws to which they are subject.

We and our tenants are subject to a wide range of federal, state and local laws and regulations, such as local licensing requirements, consumer protection laws and state and local fire, life-safety and similar requirements that affect the use of the properties. The leases typically require that each tenant comply with all laws and regulations. Failure to comply could result in fines by governmental authorities, awards of damages to private litigants, or restrictions on the ability to conduct business on such properties. Non-compliance of this sort could reduce our revenues from a tenant, could require us to pay penalties or fines relating to any non-compliance, and could adversely affect our ability to sell or lease a property.

Failure to qualify as a REIT for federal income tax purposes would cause us to be taxed as a corporation, which would substantially reduce funds available for payment of distributions.

We believe that we are organized and qualified as a REIT for federal income tax purposes and currently intend to operate in a manner that will allow us to continue to qualify as a REIT under the Code. However, we cannot assure you that we will remain qualified as such in the future.

Qualification as a REIT involves the application of highly technical and complex Code provisions and applicable income tax regulations that have been issued under the Code. Certain facts and circumstances not entirely within our control may affect our ability to qualify as a REIT. For example, in order to qualify as a REIT, at least 95% of our gross income in any year must be derived from qualifying rents and certain other income. Satisfying this requirement could be difficult, for example, if defaults by tenants were to reduce the amount of income from qualifying rents. As a REIT, we must generally make annual distributions to shareholders of at least 90% of our taxable income. In addition, new legislation, new regulations, new administrative interpretations or new court decisions may significantly change the tax laws with respect to qualification as a REIT or the federal income tax consequences of such qualification. Any modification in the tax treatment of REITs could have a significant adverse impact to our net income.

If we fail to qualify as a REIT:

• we would not be allowed a deduction for distributions to shareholders in computing taxable income;

• we would be subject to federal income tax at regular corporate rates;

• we could be subject to the federal alternative minimum tax;

• unless we are entitled to relief under specific statutory provisions, we could not elect to be taxed as a REIT for four taxable years following the year during which we were disqualified;

• we could be required to pay significant income taxes, which would substantially reduce the funds available for investment or for distribution to our shareholders for each year in which we failed or were not permitted to qualify; and

• we would no longer be required by law to make any distributions to our shareholders.

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We may be required to incur additional debt to qualify as a REIT.

As a REIT, we must generally make annual distributions to shareholders of at least 90% of our taxable income. We are subject to income tax on amounts of undistributed taxable income and net capital gain. In addition, we would be subject to a 4% excise tax if we fail to distribute sufficient income to meet a minimum distribution test based on our ordinary income, capital gain and aggregate undistributed income from prior years. We intend to make distributions to shareholders to comply with the Code’s distribution provisions and to avoid federal income and excise tax. We may need to borrow funds to meet our distribution requirements because:

• our income may not be matched by our related expenses at the time the income is considered received for purposes of determining taxable income; and

• non-deductible capital expenditures, creation of reserves, or debt service requirements may reduce available cash but not taxable income.

In these circumstances, we might have to borrow funds on terms we might otherwise find unfavorable and we may have to borrow funds even if our management believes the market conditions make borrowing financially unattractive. Current tax law also allows us to pay a portion of our distributions in shares instead of cash.

To maintain our status as a REIT, we limit the amount of shares any one shareholder can own.

The Code imposes certain limitations on the ownership of the stock of a REIT. For example, not more than 50% in value of our outstanding shares of capital stock may be owned, directly or indirectly, by five or fewer individuals (as defined in the Code) during the last half of any taxable year. To protect our REIT status, our declaration of trust prohibits any one shareholder from owning (actually or constructively) more than 9.8% in value of the outstanding common shares or of any class or series of outstanding preferred shares. The constructive ownership rules are complex. Shares of our capital stock owned, actually or constructively, by a group of related individuals and/or entities may be treated as constructively owned by one of those individuals or entities. As a result, the acquisition of less than 9.8% in value of the outstanding common shares and/or a class or series of preferred shares (or the acquisition of an interest in an entity that owns common shares or preferred shares) by an individual or entity could cause that individual or entity (or another) to own constructively more than 9.8% in value of the outstanding capital stock. If that happened, either the transfer of ownership would be void or the shares would be transferred to a charitable trust and then sold to someone who can own those shares without violating the 9.8% ownership limit.

The Board of Trustees may waive these restrictions on a case-by-case basis. In addition, the Board of Trustees and two-thirds of our shareholders eligible to vote at a shareholder meeting may remove these restrictions if they determine it is no longer in our best interests to attempt to qualify, or to continue to qualify, as a REIT. The 9.8% ownership restrictions may delay, defer or prevent a transaction or a change of our control that might involve a premium price for the common shares or otherwise be in the shareholders’ best interest.

U.S. federal tax reform legislation now and in the future could affect REITs, both positively and negatively, in ways that are difficult to anticipate.

The Tax Cuts and Jobs Act of 2017 (the “2017 Tax Act”), signed into law on December 22, 2017, represents sweeping tax reform legislation that makes significant changes to corporate and individual tax rates and the calculation of taxes.  While we currently do not expect the 2017 Tax Act will have a significant direct impact on us, it may impact us indirectly as our tenants and the jurisdictions in which we do business as well as the overall investment thesis for REITs may be impacted both positively and negatively in ways that are difficult to predict. Additionally, the overall impact of the 2017 Tax Act depends on future interpretations and regulations that may be issued by federal tax authorities, as well as changes in state and local taxation in response to the 2017 Tax Act, and it is possible that such future interpretations, regulations and other changes could adversely impact us.

We cannot assure you we will continue to pay dividends at historical rates.

Our ability to continue to pay dividends on our common shares at historical rates or to increase our common share dividend rate, and our ability to pay preferred share dividends and service our debt securities, will depend on a number of factors, including, among others, the following:

• our financial condition and results of future operations;

• the performance of lease terms by tenants;

• the terms of our loan covenants; and

• our ability to acquire, finance, develop or redevelop and lease additional properties at attractive rates.

If we do not maintain or increase the dividend on our common shares, it could have an adverse effect on the market price of our common shares and other securities. Any preferred shares we may offer in the future may have a fixed dividend rate that would

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not increase with any increases in the dividend rate of our common shares. Conversely, payment of dividends on our common shares may be subject to payment in full of the dividends on any preferred shares and payment of interest on any debt securities we may offer.

Certain tax and anti-takeover provisions of our declaration of trust and bylaws may inhibit a change of our control.

Certain provisions contained in our declaration of trust and bylaws and the Maryland General Corporation Law, as applicable to Maryland REITs, may discourage a third party from making a tender offer or acquisition proposal to us. If this were to happen, it could delay, deter or prevent a change in control or the removal of existing management. These provisions also may delay or prevent the shareholders from receiving a premium for their common shares over then-prevailing market prices. These provisions include:

• the REIT ownership limit described above;

• authorization of the issuance of our preferred shares with powers, preferences or rights to be determined by the Board of Trustees;

• special meetings of our shareholders may be called only by the chairman of the board, the chief executive officer, the president, by one-third of the trustees or by shareholders possessing no less than 25% of all the votes entitled to be cast at the meeting;

• the Board of Trustees, without a shareholder vote, can classify or reclassify unissued shares of beneficial interest, including the reclassification of common shares into preferred shares and vice-versa;

• a two-thirds shareholder vote is required to approve some amendments to the declaration of trust; and

• advance-notice requirements for proposals to be presented at shareholder meetings.

In addition, if we elect to be governed by it in the future, the Maryland Control Share Acquisition Law could delay or prevent a change in control. Under Maryland law, unless a REIT elects not to be subject to this law, “control shares” acquired in a “control share acquisition” have no voting rights except to the extent approved by shareholders by a vote of two-thirds of the votes entitled to be cast on the matter, excluding shares owned by the acquirer and by officers or trustees who are employees of the REIT. “Control shares” are voting shares that would entitle the acquirer to exercise voting power in electing trustees within specified ranges of voting power. A “control share acquisition” means the acquisition of control shares, with some exceptions.

Our bylaws state that the Maryland control share acquisition law will not apply to any acquisition by any person of our common shares. This bylaw provision may be repealed, in whole or in part, at any time, whether before or after an acquisition of control shares, by a vote of a majority of the shareholders entitled to vote, and, upon such repeal, may, to the extent provided by any successor bylaw, apply to any prior or subsequent control share acquisition.

We may amend or revise our business policies without your approval.

Our Board of Trustees may amend or revise our operating policies without shareholder approval. Our investment, financing and borrowing policies and policies with respect to all other activities, such as growth, debt, capitalization and operations, are determined by the Board of Trustees. The Board of Trustees may amend or revise these policies at any time and from time to time at its discretion. A change in these policies could adversely affect our financial condition and results of operations, and the market price of our securities.

The current business plan adopted by our Board of Trustees focuses on our investment in high quality retail based properties that are typically neighborhood and community shopping centers or mixed-use properties, principally through redevelopments and acquisitions. If this business plan is not successful, it could have a material adverse effect on our financial condition and results of operations.

Given these uncertainties, readers are cautioned not to place undue reliance on any forward-looking statements that we make, including those in this Annual Report on Form 10-K. Except as may be required by law, we make no promise to update any of the forward-looking statements as a result of new information, future events or otherwise. You should carefully review the above risks and the risk factors.

Natural disasters and severe weather conditions could have an adverse impact on our cash flow and operating results.

Changing weather patterns and climatic conditions, such as global warming, may have added to the unpredictability and frequency of natural disasters and severe weather conditions and created additional uncertainty as to future trends and exposures.  Our operations are located in areas that are subject to natural disasters and severe weather conditions such as hurricanes, earthquakes, droughts, snow storms, floods and fires.  The occurrence of natural disasters or severe weather conditions can delay new development projects, increase investment costs to repair or replace damaged properties, increase operation costs, increase future property insurance costs, and negatively impact the tenant demand for lease space.  If insurance

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is unavailable to us or is unavailable on acceptable terms, or if our insurance is not adequate to cover business interruption or losses from these events, our earnings, liquidity or capital resources could be adversely affected.

We face risks relating to cybersecurity attacks that could cause loss of confidential information and other business disruptions.

We rely extensively on computer systems to process transactions and manage our business, and our business is at risk from and may be impacted by cybersecurity attacks. These could include attempts to gain unauthorized access to our data and computer systems. Attacks can be both individual and/or highly organized attempts organized by very sophisticated hacking organizations. We employ a number of measures to prevent, detect and mitigate these threats, which include password encryption, frequent password change events, firewall detection systems, anti-virus software in-place, frequent backups, a redundant data system for core applications and annual penetration testing; however, there is no guarantee such efforts will be successful in preventing a cyber attack. A cybersecurity attack could compromise the confidential information of our employees, tenants and vendors. A successful attack could disrupt and otherwise adversely affect our business operations.

ITEM 1B.    UNRESOLVED STAFF COMMENTS

None.

ITEM 2.    PROPERTIES

General

As of December 31, 2017, we owned or had a majority ownership interest in community and neighborhood shopping centers and mixed-used properties which are operated as 104 predominantly retail real estate projects comprising approximately 24.2 million square feet. These properties are located primarily in densely populated and affluent communities in strategic metropolitan markets in the Northeast and Mid-Atlantic regions of the United States, California, and South Florida. No single property accounted for over 10% of our 2017 total revenue. We believe that our properties are adequately covered by commercial general liability, fire, flood, earthquake, terrorism and business interruption insurance provided by reputable companies, with commercially reasonable exclusions, deductibles and limits.

Tenant Diversification

As of December 31, 2017, we had approximately 3,000 leases, with tenants ranging from sole proprietors to major national and international retailers. No one tenant or affiliated group of tenants accounted for more than 2.9% of our annualized base rent as of December 31, 2017. As a result of our tenant diversification, we believe our exposure to any one bankruptcy filing in the retail sector has not been and will not be significant, however, multiple filings by a number of retailers could have a significant impact.

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Geographic Diversification

Our 104 real estate projects are located in 12 states and the District of Columbia. The following table shows the number of projects, the gross leasable area (“GLA”) of commercial space and the percentage of total portfolio gross leasable area of commercial space in each state as of December 31, 2017.

State	Number of Projects	Gross Leasable Area	Percentage of Gross Leasable Area
	(In square feet)
California	21	5,442,000	22.5	%
Maryland	21	4,562,000	18.8	%
Virginia	16	3,738,000	15.4	%
Pennsylvania(1)	10	2,316,000	9.6	%
Massachusetts	9	2,101,000	8.7	%
New Jersey	6	1,722,000	7.1	%
Florida	4	1,339,000	5.5	%
New York	6	1,248,000	5.2	%
Illinois	4	797,000	3.3	%
Connecticut	3	397,000	1.6	%
Michigan	1	217,000	0.9	%
District of Columbia	2	168,000	0.7	%
North Carolina	1	159,000	0.7	%
Total	104	24,206,000	100.0	%

(1) Additionally, we own two participating mortgages totaling approximately $30.4 million secured by multiple buildings in Manayunk, Pennsylvania.

Leases, Lease Terms and Lease Expirations

Our leases are classified as operating leases and typically are structured to require the monthly payment of minimum rents in advance, subject to periodic increases during the term of the lease, percentage rents based on the level of sales achieved by tenants, and reimbursement of a majority of on-site operating expenses and real estate taxes. These features in our leases generally reduce our exposure to higher costs and allow us to participate in improved tenant sales.

Commercial property leases generally range from three to ten years; however, certain leases, primarily with anchor tenants, may be longer. Many of our leases contain tenant options that enable the tenant to extend the term of the lease at expiration at pre-established rental rates that often include fixed rent increases, consumer price index adjustments or other market rate adjustments from the prior base rent. Leases on residential units are generally for a period of one year or less and, in 2017, represented approximately 6.9% of total rental income.

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The following table sets forth the schedule of lease expirations for our commercial leases in place as of December 31, 2017 for each of the 10 years beginning with 2018 and after 2027 in the aggregate assuming that none of the tenants exercise future renewal options. Annualized base rents reflect in-place contractual rents as of December 31, 2017.

Year of Lease Expiration	Leased Square Footage Expiring	Percentage of Leased Square Footage Expiring		Annualized Base Rent Represented by Expiring Leases		Percentage of  Annualized Base Rent  Represented by Expiring Leases
2018	1,849,000	8	%	$	47,382,000	8	%
2019	3,042,000	13	%	73,854,000		12	%
2020	2,339,000	10	%	62,409,000		10	%
2021	2,601,000	12	%	76,900,000		13	%
2022	3,045,000	13	%	77,417,000		13	%
2023	1,958,000	9	%	54,840,000		9	%
2024	1,523,000	7	%	40,296,000		7	%
2025	1,346,000	6	%	39,245,000		6	%
2026	921,000	4	%	30,520,000		5	%
2027	1,183,000	5	%	44,532,000		7	%
Thereafter	2,861,000	13	%	62,388,000		10	%
Total	22,668,000	100	%	$	609,783,000	100	%

During 2017, we signed leases for a total of 1,793,000 square feet of retail space including 1,622,000 square feet of comparable space leases (leases for which there was a prior tenant) at an average rental increase of 13% on a cash basis and 26% on a straight-line basis. New leases for comparable spaces were signed for 773,000 square feet at an average rental increase of 19% on a cash basis and 32% on a straight-line basis. Renewals for comparable spaces were signed for 848,000 square feet at an average rental increase of 9% on a cash basis and 21% on a straight-line basis. Tenant improvements and incentives for comparable spaces were $36.00 per square foot, of which, $62.11 per square foot was for new leases and $12.18 per square foot was for renewals in 2017.

During 2016, we signed leases for a total of 1,688,000 square feet of retail space including 1,473,000 square feet of comparable space leases (leases for which there was a prior tenant) at an average rental increase of 13% on a cash basis and 26% on a straight-line basis. New leases for comparable spaces were signed for 543,000 square feet at an average rental increase of 24% on a cash basis and 40% on a straight-line basis. Renewals for comparable spaces were signed for 930,000 square feet at an average rental increase of 7% on a cash basis and 17% on a straight-line basis. Tenant improvements and incentives for comparable spaces were $31.00 per square foot, of which, $66.47 per square foot was for new leases and $10.28 was for renewal leases in 2016.

The rental increases associated with comparable spaces generally include all leases signed in arms-length transactions reflecting market leverage between landlords and tenants during the period. The comparison between average rent for expiring leases and new leases is determined by including minimum rent and percentage rent paid on the expiring lease and minimum rent and in some instances, projections of first lease year percentage rent, to be paid on the new lease. In atypical circumstances, management may exercise judgment as to how to most effectively reflect the comparability of spaces reported in this calculation. The change in rental income on comparable space leases is impacted by numerous factors including current market rates, location, individual tenant creditworthiness, use of space, market conditions when the expiring lease was signed, capital investment made in the space and the specific lease structure.

The leases signed in 2017 generally become effective over the following two years though some may not become effective until 2020 and beyond. Further, there is risk that some new tenants will not ultimately take possession of their space and that tenants for both new and renewal leases may not pay all of their contractual rent due to operating, financing or other matters. However, these increases do provide information about the tenant/landlord relationship and the potential increase we may achieve in rental income over time.

Historically, we have executed comparable space leases for 1.2 to 1.6 million square feet of retail space each year and expect the volume for 2018 will be in line with our historical averages with overall positive increases in rental income. However, changes in rental income associated with individual signed leases on comparable spaces may be positive or negative, and we can provide no assurance that the rents on new leases will continue to increase at the above disclosed levels, if at all.

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Retail and Residential Properties

The following table sets forth information concerning all real estate projects in which we owned an equity interest, had a leasehold interest, or otherwise controlled and are consolidated as of December 31, 2017. Except as otherwise noted, we are the sole owner of our retail real estate projects. Principal tenants are the largest tenants in the project based on square feet leased or are tenants important to a project’s success due to their ability to attract retail customers.

Property, City, State, Zip Code	Year Completed	Year Acquired	Square Feet(1) /Apartment Units	Average Rent Per Square Foot(2)	Percentage Leased(3)	Principal Tenant(s)
California
Azalea South Gate, CA 90280(5)(8)	2014	2017	222,000	$27.43	100%	Marshalls Ross Dress for Less Ulta CVS
Bell Gardens Bell Gardens, CA 90201(4)(5)(8)	1990, 2003, 2006	2017	330,000	$20.37	100%	Food4Less Marshalls Ross Dress for Less Petco
Colorado Blvd Pasadena, CA 91103(4)	1905-1988	1996/1998	69,000	$45.04	100%	Pottery Barn Banana Republic
Crow Canyon Commons San Ramon, CA 94583	1980, 1998, 2006	2005/2007	241,000	$28.16	94%	Sprouts Orchard Supply Hardware Rite Aid Total Wine & More
East Bay Bridge Emeryville & Oakland, CA 94608	1994-2001, 2011, 2012	2012	439,000	$18.42	100%	Pak-N-Save Home Depot Target Nordstrom Rack
Escondido Promenade Escondido, CA 92029(5)	1987	1996/2010	299,000	$25.29	99%	TJ Maxx Dick's Sporting Goods Ross Dress For Less Toys R Us
Fourth Street Berkeley, CA 94710(5)	1948, 1975	2017	71,000	$28.14	55%	CB2 Ingram Book Group
Hastings Ranch Plaza Pasadena, CA 91107(4)	1958, 1984, 2006, 2007	2017	273,000	$7.21	98%	Marshalls HomeGoods CVS Sears
Hermosa Avenue Hermosa Beach, CA 90254	1922	1997	23,000	$49.18	81%
Hollywood Blvd Hollywood, CA 90028	1929, 1991	1999	180,000	$30.01	91%	Marshalls DSW L.A. Fitness La La Land
Kings Court Los Gatos, CA 95032(4)(6)	1960	1998	80,000	$32.55	100%	Lunardi's Supermarket CVS
La Alameda Walnut Park, CA 90255(4)(7)(8)	2008	2017	245,000	$24.96	94%	Marshalls Ross Dress For Less CVS Petco
Old Town Center Los Gatos, CA 95030	1962, 1998	1997	98,000	$41.40	99%	Anthropologie Banana Republic GAP
Olivo at Mission Hills Mission Hills, CA 91345(5)	2017	2017	105,000	$30.05	100%	Target 24 Hour Fitness Fallas Stores
Plaza Del Sol South El Monte, CA 91733(5)(8)	2009	2017	48,000	$23.01	100%	Marshalls
Plaza El Segundo / The Point El Segundo, CA 90245(5)(8)	2006-2007, 2016	2011/2013	495,000	$44.71	95%	Whole Foods Anthropologie Home Goods Dick's Sporting Goods Multiple Restaurants
Plaza Pacoima Pacoima, CA 91331(5)	2010	2017	204,000	$14.33	99%	Costco Best Buy
San Antonio Center Mountain View, CA 94040(4)(6)	1958, 1964-1965, 1974-1975, 1995-1997	2015	376,000	$13.74	97%	Trader Joe's Wal-mart Kohl's 24 Hour Fitness

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Property, City, State, Zip Code	Year Completed	Year Acquired	Square Feet(1) /Apartment Units	Average Rent Per Square Foot(2)	Percentage Leased(3)	Principal Tenant(s)
Santana Row San Jose, CA 95128(4)	2002, 2009, 2016	1997	885,000	$52.42	98%	Crate & Barrel H&M Container Store Multiple Restaurants
Santana Row Residential San Jose, CA 95128	2003-2006, 2011, 2014	1997/2012	662 units	N/A	97%
Sylmar Towne Center Sylmar, CA 91342(5)(8)	1973	2017	148,000	$14.56	91%	Food4Less CVS
Third Street Promenade Santa Monica, CA 90401	1888-2000	1996-2000	209,000	$79.66	98%	Banana Republic Old Navy J. Crew Abercrombie & Fitch
Westgate Center San Jose, CA 95129	1960-1966	2004	647,000	$17.78	99%	Walmart Neighborhood Market Target Nordstrom Rack Nike Factory Burlington
Connecticut
Bristol Plaza Bristol, CT 06010	1959	1995	266,000	$13.97	97%	Stop & Shop TJ Maxx
Darien Darien, CT 06820	1920-2009	2013	95,000	$28.47	96%	Stop & Shop Equinox
Greenwich Avenue Greenwich Avenue, CT 06830	1968	1995	36,000	$70.15	100%	Saks Fifth Avenue
District of Columbia
Friendship Center Washington, DC 20015	1998	2001	119,000	$29.71	100%	Marshalls Nordstrom Rack DSW Maggiano's
Sam's Park & Shop Washington, DC 20008	1930	1995	49,000	$45.02	88%	Petco
Florida
CocoWalk Coconut Grove, FL 33133(5)(11)	1990/1994, 1922-1973	2015-2017	194,000	$32.78	74%	Gap Cinepolis Theaters Youfit Health Club
Del Mar Village Boca Raton, FL 33433	1982, 1994 & 2007	2008/2014	196,000	$16.43	91%	Winn Dixie CVS
The Shops at Sunset Place South Miami, FL 33143(5)(8)	1999	2015	523,000	$20.17	77%	AMC L.A. Fitness Barnes & Noble Restoration Hardware Outlet
Tower Shops Davie, FL 33324	1989, 2017	2011/2014	426,000	$23.45	98%	Trader Joe's TJ Maxx Ross Dress for Less Best Buy DSW
Illinois
Crossroads Highland Park, IL 60035	1959	1993	168,000	$23.12	99%	L.A. Fitness Binny's Guitar Center
Finley Square Downers Grove, IL 60515	1974	1995	278,000	$15.70	87%	Bed, Bath & Beyond Buy Buy Baby Petsmart Portillo's
Garden Market Western Springs, IL 60558	1958	1994	140,000	$13.26	100%	Mariano's Fresh Market Walgreens
Riverpoint Center Chicago, IL 60614	1989, 2012	2017	211,000	$22.38	96%	Jewel Osco Marshalls Old Navy
Maryland
Bethesda Row Bethesda, MD 20814(4)	1945-1991 2001, 2008	1993-2006/ 2008/2010	534,000	$51.05	96%	Giant Food Apple Equinox Multiple Restaurants
Bethesda Row Residential Bethesda, MD 20814	2008	1993	180 units	N/A	97%

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Property, City, State, Zip Code	Year Completed	Year Acquired	Square Feet(1) /Apartment Units	Average Rent Per Square Foot(2)	Percentage Leased(3)	Principal Tenant(s)
Congressional Plaza Rockville, MD 20852(5)	1965	1965	325,000	$41.07	98%	The Fresh Market Buy Buy Baby Saks Fifth Avenue Off 5th Container Store Last Call Studio by Neiman Marcus
Congressional Plaza Residential Rockville, MD 20852(5)	2003, 2016	1965	194 units	N/A	99%
Courthouse Center Rockville, MD 20852	1975	1997	36,000	$23.08	66%
Federal Plaza Rockville, MD 20852	1970	1989	249,000	$36.50	99%	Trader Joe's TJ Maxx Micro Center Ross Dress for Less
Free State Shopping Center Bowie, MD 20715	1970	2007	264,000	$17.57	92%	Giant Food TJ Maxx Ross Dress For Less Office Depot
Gaithersburg Square Gaithersburg, MD 20878	1966	1993	207,000	$27.98	96%	Bed, Bath & Beyond Ross Dress For Less Ashley Furniture HomeStore
Governor Plaza Glen Burnie, MD 21961	1963	1985	242,000	$19.44	98%	Aldi Dick's Sporting Goods A.C. Moore
Laurel Laurel, MD 20707	1956	1986	389,000	$22.54	87%	Giant Food Marshalls L.A. Fitness
Montrose Crossing Rockville, MD 20852(5)(8)	1960-1979, 1996, 2011	2011/2013	364,000	$30.33	94%	Giant Food Marshalls Old Navy Barnes & Noble Bob's Discount Furniture
Perring Plaza Baltimore, MD 21134	1963	1985	396,000	$14.63	100%	Shoppers Food Warehouse Home Depot Micro Center Burlington
Pike & Rose North Bethesda, MD 20852(10)	1963, 2014	1982/2007/ 2012	402,000	$36.81	98%	iPic Theater Porsche H&M REI Pinstripes Multiple Restaurants
Pike & Rose Residential North Bethesda, MD 20852(10)	2014, 2016	1982/2007	690 units	N/A	93%
Plaza Del Mercado Silver Spring, MD 20906	1969	2004	117,000	$30.30	93%	Aldi CVS L.A. Fitness
Quince Orchard Gaithersburg, MD 20877(4)	1975	1993	267,000	$23.21	96%	Aldi HomeGoods L.A. Fitness Staples
Rockville Town Square Rockville, MD 20852(4)	2006-2007	2006/2007	187,000	$27.93	94%	Dawson's Market CVS Gold's Gym Multiple Restaurants
Rollingwood Apartments Silver Spring, MD 20910(8)	1960	1971	282 units	N/A	96%
THE AVENUE at White Marsh Baltimore, MD 21236(6)(8)	1997	2007	315,000	$23.87	100%	AMC Ulta Old Navy Barnes & Noble
The Shoppes at Nottingham Square Baltimore, MD 21236	2005-2006	2007	32,000	$50.29	100%
Towson Residential (Flats @703) Baltimore, MD 21236	2017	2007	4,000	$71.41	100%
			105 units	N/A	55%
White Marsh Other Baltimore, MD 21236	1985	2007	69,000	$30.32	97%
White Marsh Plaza Baltimore, MD 21236	1987	2007	80,000	$22.31	98%	Giant Food
Wildwood Bethesda, MD 20814	1958	1969	83,000	$99.04	98%	Balducci's CVS

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Property, City, State, Zip Code	Year Completed	Year Acquired	Square Feet(1) /Apartment Units	Average Rent Per Square Foot(2)	Percentage Leased(3)	Principal Tenant(s)
Massachusetts
Assembly Row/ Assembly Square Marketplace Somerville, MA 02145(10)	2005, 2014	2005-2011/ 2013	810,000	$24.97	99%	Trader Joe's TJ Maxx AMC LEGOLAND Discovery Center Multiple Restaurants & Outlets
Assembly Row Residential Somerville, MA 02145(10)	2017	2005-2011	141 units	N/A	94%
Atlantic Plaza North Reading, MA 01864	1960	2004	123,000	$16.43	96%	Stop & Shop
Campus Plaza Bridgewater, MA 02324	1970	2004	116,000	$16.13	98%	Roche Bros. Burlington
Chelsea Commons Chelsea, MA 02150(8)	1962-1969, 2008	2006-2008	222,000	$12.32	99%	Home Depot Planet Fitness
Chelsea Commons Residential Chelsea, MA 02150	2013	2008	56 units	N/A	91%
Dedham Plaza Dedham, MA 02026	1959	1993/2016	241,000	$16.75	96%	Star Market Planet Fitness
Linden Square Wellesley, MA 02481	1960, 2008	2006	223,000	$48.82	96%	Roche Bros. CVS
North Dartmouth North Dartmouth, MA 02747	2004	2006	48,000	$15.31	100%	Stop & Shop
Queen Anne Plaza Norwell, MA 02061	1967	1994	149,000	$17.77	100%	Big Y Foods TJ Maxx HomeGoods
Saugus Plaza Saugus, MA 01906	1976	1996	169,000	$12.24	100%	Super Stop & Shop Kmart
Michigan
Gratiot Plaza Roseville, MI 48066	1964	1973	217,000	$12.15	100%	Kroger Bed, Bath & Beyond Best Buy DSW
New Jersey
Brick Plaza Brick Township, NJ 08723(4)	1958	1989	422,000	$21.40	77%	AMC Barnes & Noble Ulta DSW
Brook 35 Sea Grit, NJ 08750(5)(6)(8)	1986, 2004	2014	98,000	$36.09	99%	Banana Republic Gap Coach Williams-Sonoma
Ellisburg Cherry Hill, NJ 08034	1959	1992	268,000	$16.35	93%	Whole Foods Buy Buy Baby Stein Mart
Mercer Mall Lawrenceville, NJ 08648(4)	1975	2003/2017	530,000	$24.71	98%	Shop Rite TJ Maxx Nordstrom Rack Bed, Bath & Beyond REI
The Grove at Shrewsbury Shrewsbury, NJ 07702(5)(6)(8)	1988, 1993 & 2007	2014	193,000	$46.49	98%	Lululemon Anthropologie Pottery Barn Williams-Sonoma
Troy Parsippany-Troy, NJ 07054	1966	1980	211,000	$22.45	99%	L.A. Fitness Michaels
New York
Fresh Meadows Queens, NY 11365	1949	1997	404,000	$32.35	99%	Island of Gold AMC Kohl's Michaels
Greenlawn Plaza Greenlawn, NY 11743	1975, 2004	2006	106,000	$18.07	96%	Greenlawn Farms Tuesday Morning
Hauppauge Hauppauge, NY 11788	1963	1998	134,000	$28.72	100%	Shop Rite A.C. Moore

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Property, City, State, Zip Code	Year Completed	Year Acquired	Square Feet(1) /Apartment Units	Average Rent Per Square Foot(2)	Percentage Leased(3)	Principal Tenant(s)
Huntington Huntington, NY 11746	1962	1988/2007/ 2015	279,000	$25.36	99%	Nordstrom Rack Bed, Bath & Beyond Buy Buy Baby Michaels
Huntington Square East Northport, NY 11731(4)	1980, 2007	2010	74,000	$27.96	85%	Barnes & Noble
Melville Mall Huntington, NY 11747(4)	1974	2006	251,000	$26.14	95%	Uncle Giuseppe's Marketplace Marshalls Dick's Sporting Goods Field & Stream Macy's Backstage
North Carolina
Eastgate Crossing Chapel Hill, NC 27514	1963	1986	159,000	$26.94	95%	Trader Joe's Ulta Stein Mart Petco
Pennsylvania
Andorra Philadelphia, PA 19128	1953	1988	264,000	$14.82	89%	Acme Markets Kohl's L.A. Fitness Staples
Bala Cynwyd Bala Cynwyd, PA 19004	1955	1993	294,000	$24.84	100%	Acme Markets Lord & Taylor Michaels L.A. Fitness
Flourtown Flourtown, PA 19031	1957	1980	156,000	$22.05	99%	Giant Food Movie Tavern
Lancaster Lancaster, PA 17601(4)	1958	1980	127,000	$18.41	98%	Giant Food Michaels
Langhorne Square Levittown, PA 19056	1966	1985	227,000	$16.90	98%	Redner's Warehouse Mkts. Marshalls Planet Fitness
Lawrence Park Broomall, PA 19008	1972	1980	374,000	$20.85	97%	Acme Markets TJ Maxx HomeGoods Barnes & Noble
Northeast Philadelphia, PA 19114	1959	1983	288,000	$13.68	85%	Marshalls Burlington Ulta A.C. Moore
Town Center of New Britain New Britain, PA 18901	1969	2006	124,000	$10.07	90%	Giant Food Rite Aid Dollar Tree
Willow Grove Willow Grove, PA 19090	1953	1984	211,000	$19.28	96%	Marshalls HomeGoods Barnes & Noble
Wynnewood Wynnewood, PA 19096	1948	1996	251,000	$27.83	100%	Giant Food Bed, Bath & Beyond Old Navy DSW
Virginia
29th Place Charlottesville, VA 22091(8)	1975-2001	2007	169,000	$18.25	97%	HomeGoods DSW Stein Mart Staples
Barcoft Plaza Falls Church, VA 22041	1963, 1972, 1990, & 2000	2006/2007/ 2016	115,000	$24.18	90%	Harris Teeter
Barracks Road Charlottesville, VA 22905	1958	1985	498,000	$27.37	98%	Harris Teeter Kroger Anthropologie Nike Bed, Bath & Beyond Old Navy
Falls Plaza Falls Church, VA 22046	1960-1962	1967/1972	144,000	$35.09	94%	Giant Food CVS Staples
Graham Park Plaza Fairfax, VA 22042	1971	1983	260,000	$26.40	89%	Giant Food CVS Stein Mart

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Property, City, State, Zip Code	Year Completed	Year Acquired	Square Feet(1) /Apartment Units	Average Rent Per Square Foot(2)	Percentage Leased(3)	Principal Tenant(s)
Idylwood Plaza Falls Church, VA 22030	1991	1994	73,000	$47.24	95%	Whole Foods
Leesburg Plaza Leesburg, VA 20176	1967	1998	236,000	$22.80	93%	Giant Food Petsmart Gold's Gym Office Depot
Mount Vernon/South Valley/ 7770 Richmond Hwy Alexandria, VA 22306(4)(6)	1966, 1972,1987 & 2001	2003/2006	570,000	$17.91	95%	Shoppers Food Warehouse TJ Maxx Home Depot Bed, Bath & Beyond Results Fitness
Old Keene Mill Springfield, VA 22152	1968	1976	92,000	$39.08	97%	Whole Foods Walgreens Planet Fitness
Pan Am Fairfax, VA 22031	1979	1993	227,000	$25.37	100%	Safeway Micro Center CVS Michaels
Pentagon Row Arlington, VA 22202	2001-2002	1998/2010	299,000	$36.25	87%	Harris Teeter TJ Maxx Bed, Bath & Beyond DSW
Pike 7 Plaza Vienna, VA 22180	1968	1997/2015	164,000	$46.10	100%	TJ Maxx DSW Crunch Fitness Staples
Tower Shopping Center Springfield, VA 22150	1960	1998	112,000	$25.73	88%	L.A. Mart Talbots Total Wine & More
Tyson's Station Falls Church, VA 22043	1954	1978	50,000	$46.32	87%	Trader Joe's
Village at Shirlington Arlington, VA 22206(4)	1940, 2006-2009	1995	266,000	$38.57	90%	Harris Teeter AMC Carlyle Grand Café
Willow Lawn Richmond, VA 23230	1957	1983	463,000	$19.61	99%	Kroger Old Navy Ross Dress For Less Gold's Gym DSW
Total All Regions—Retail(9)			24,206,000	$26.90	95%
Total All Regions—Residential			2,310 units		94%

 _____________________

(1) Represents the GLA of the commercial portion of the property. Some of our properties include office space which is included in this square footage.

(2) Average base rent is calculated as the aggregate, annualized in-place contractual (defined as cash basis excluding rent abatements) minimum rent for all occupied spaces divided by the aggregate GLA of all occupied spaces.

(3) Percentage leased is expressed as a percentage of rentable commercial square feet occupied or subject to a lease. Residential percentage leased is expressed as a percentage of units occupied or subject to a lease.

(4) All or a portion of this property is owned pursuant to a ground lease.

(5) We own the controlling interest in this center.

(6) We own all or a portion of this property in a “downREIT” partnership, of which a wholly owned subsidiary of the Trust is the sole general partner, with third party partners holding operating partnership units.

(7) We own a noncontrolling interest in this property.

(8) All or a portion of this property is encumbered by a mortgage loan.

(9) Aggregate information is calculated on a GLA weighted-average basis, excluding our La Alameda property, which is unconsolidated.

(10) Portion of property is currently under development. See further discussion in Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations.

(11) This property includes partial interests in five buildings in addition to our initial acquisition.

ITEM 3.    LEGAL PROCEEDINGS

In November 2016, we were included as a defendant in a class action lawsuit, in the circuit court for Montgomery County, Maryland, related to predatory towing by a third party company we had retained to provide towing services at several of our properties in Montgomery County, Maryland. We, individually and collectively with other members of the more than 500 property owner defendant class, have undertaken numerous legal actions to challenge property owner liability in this case, including challenging the certification of the class as a matter of law; however, all of these legal actions have been unsuccessful. Given the costs and risks of continuing litigation on this matter, we elected to participate in a settlement for which our share is approximately $0.4 million. We expect that this settlement amount will be reimbursed by insurance. The

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settlement did not cover liability for certain tows that were included in the lawsuit that the defendant class believes cannot be pursued because of the statute of limitations. Accordingly, we do not believe we should have any additional liability for these remaining tows; however, if we are unsuccessful in dismissing these tows from the litigation, our liability would be approximately $0.2 million, assuming payment on the same terms as the settlement.

ITEM 4.    MINE SAFETY DISCLOSURES

Not applicable.

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PART II

ITEM 5.    MARKET FOR OUR COMMON EQUITY AND RELATED SHAREHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our common shares trade on the New York Stock Exchange under the symbol “FRT.” Listed below are the high and low sales prices of our common shares as reported on the New York Stock Exchange and the dividends declared for each of the periods indicated.

	Price Per Share				Dividends Declared Per Share
	High		Low
2017
Fourth quarter	$	134.52	$	119.37	$	1.000
Third quarter	$	135.59	$	122.60	$	1.000
Second quarter	$	138.12	$	120.50	$	0.980
First quarter	$	145.80	$	126.02	$	0.980
2016
Fourth quarter	$	148.74	$	136.98	$	0.980
Third quarter	$	170.35	$	153.93	$	0.980
Second quarter	$	165.55	$	149.75	$	0.940
First quarter	$	158.96	$	144.82	$	0.940

On February 8, 2018, there were 2,568 holders of record of our common shares.

Our ongoing operations generally will not be subject to federal income taxes as long as we maintain our REIT status and distribute to shareholders at least 100% of our taxable income. Under the Code, REITs are subject to numerous organizational and operational requirements, including the requirement to generally distribute at least 90% of taxable income.

Future distributions will be at the discretion of our Board of Trustees and will depend on our actual net income available for common shareholders, financial condition, capital requirements, the annual distribution requirements under the REIT provisions of the Code and such other factors as the Board of Trustees deems relevant. We have paid quarterly dividends to our shareholders continuously since our founding in 1962 and have increased our regular annual dividend rate for 50 consecutive years.

Our total annual dividends paid per common share for 2017 and 2016 were $3.94 per share and $3.80 per share, respectively. The annual dividend amounts are different from dividends as calculated for federal income tax purposes. Distributions to the extent of our current and accumulated earnings and profits for federal income tax purposes generally will be taxable to a shareholder as ordinary dividend income. Distributions in excess of current and accumulated earnings and profits will be treated as a nontaxable reduction of the shareholder’s basis in such shareholder’s shares, to the extent thereof, and thereafter as taxable capital gain. Distributions that are treated as a reduction of the shareholder’s basis in its shares will have the effect of increasing the amount of gain, or reducing the amount of loss, recognized upon the sale of the shareholder’s shares. No assurances can be given regarding what portion, if any, of distributions in 2018 or subsequent years will constitute a return of capital for federal income tax purposes. During a year in which a REIT earns a net long-term capital gain, the REIT can elect under Section 857(b)(3) of the Code to designate a portion of dividends paid to shareholders as capital gain dividends. If this election is made, then the capital gain dividends are generally taxable to the shareholder as long-term capital gains.

The following table reflects the income tax status of distributions per share paid to common shareholders:

	Year Ended December 31,
	2017		2016
Ordinary dividend	$	3.940	$	3.800
Capital gain	—		—
	$	3.940	$	3.800

Distributions on our 5.417% Series 1 Cumulative Convertible Preferred Shares were paid at the rate of $1.354 per share per annum commencing on the issuance date of March 8, 2007. Distributions on our 5.0% Series C Cumulative Redeemable Preferred Shares (which were issued September 29, 2017) were declared at the rate of $1.25 per depository share per annum,

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and the first payment date was January 16, 2018. We do not believe that the preferential rights available to the holders of our preferred shares or the financial covenants contained in our debt agreements had or will have an adverse effect on our ability to pay dividends in the normal course of business to our common shareholders or to distribute amounts necessary to maintain our qualification as a REIT.

Total Stockholder Return Performance

The following performance graph compares the cumulative total shareholder return on Federal Realty's common shares with the S&P 500 Index and the index of equity real estate investment trusts prepared by the National Association of Real Estate Investment Trusts ("NAREIT") for the five fiscal years commencing December 31, 2012, and ending December 31, 2017, assuming an investment of $100 and the reinvestment of all dividends into additional common shares during the holding period. Equity real estate investment trusts are defined as those that derive more than 75% of their income from equity investments in real estate assets. The FTSE NAREIT Equity REIT Total Return Index includes all tax qualified real estate investment trusts listed on the NYSE, NYSE MKT, or the NASDAQ National Market. Stock performance for the past five years is not necessarily indicative of future results.

Recent Sales of Unregistered Shares

Under the terms of various operating partnership agreements of certain of our affiliated limited partnerships, the interest of limited partners in those limited partnerships may be redeemed, subject to certain conditions, for cash or an equivalent number of our common shares, at our option. During the three months ended December 31, 2017, there were no redemptions of operating partnership units. Any other equity securities sold by us during 2017 that were not registered have been previously reported in a Quarterly Report on Form 10-Q.

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

During 2017, 2,293 restricted common shares were forfeited by former employees.

From time to time, we could be deemed to have repurchased shares as a result of shares withheld for tax purposes upon a stock compensation related vesting event.

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ITEM 6.    SELECTED FINANCIAL DATA

The following table includes certain financial information on a consolidated historical basis. You should read this section in conjunction with “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Item 8. Financial Statements and Supplementary Data.”

	Year Ended December 31,
	2017				2016				2015				2014				2013
	(In thousands, except per share data and ratios)
Operating Data:
Rental income	$	841,461			$	786,583			$	727,812			$	666,322			$	620,089
Property operating income(1)	$	584,619			$	547,979			$	510,595			$	474,167			$	446,959
Operating income	$	332,288			$	320,995			$	300,154			$	271,037			$	254,161
Income from continuing operations	$	219,948			$	226,425			$	190,094			$	167,888			$	137,811
Gain on sale of real estate and change in control of interests, net	$	77,922			$	32,458			$	28,330			$	4,401			$	28,855
Net income	$	297,870			$	258,883			$	218,424			$	172,289			$	167,608
Net income available for common shareholders	$	287,456			$	249,369			$	209,678			$	163,994			$	162,140
Net cash provided by operating activities	$	459,177			$	423,705			$	369,046			$	349,465			$	316,340
Net cash used in investing activities	$	(836,802	)		$	(590,221	)		$	(353,763	)		$	(396,150	)		$	(345,198	)
Net cash provided by (used in) financing activities	$	369,445			$	168,838			$	(42,188	)		$	5,709			$	80,797
Earnings per common share, basic:
Net income available to common shareholders	$	3.97			$	3.51			$	3.04			$	2.42			$	2.47
Weighted average number of common shares, basic	72,117				70,877				68,797				67,322				65,331
Earnings per common share, diluted:
Net income available to common shareholders	$	3.97			$	3.50			$	3.03			$	2.41			$	2.46
Weighted average number of common shares, diluted	72,233				71,049				68,981				67,492				65,483
Dividends declared per common share	$	3.96			$	3.84			$	3.62			$	3.30			$	3.02
Other Data:
Funds from operations available to common shareholders(2)	$	419,977			$	406,359			$	352,857			$	327,597			$	289,938
EBITDA(3)	$	627,656			$	547,088			$	504,696			$	447,495			$	446,555
Adjusted EBITDA(3)	$	548,311			$	514,630			$	476,366			$	443,094			$	417,700
Ratio of EBITDA to combined fixed charges and preferred share dividends(3)(4)	4.4			x	4.8			x	3.9			x	3.5			x	3.3
Ratio of Adjusted EBITDA to combined fixed charges and preferred share dividends(3)(4)	3.9			x	4.5			x	3.6			x	3.5			x	3.1

	As of December 31,
	2017		2016		2015		2014		2013
	(In thousands)
Balance Sheet Data:
Real estate, at cost	$	7,635,061	$	6,759,073	$	6,064,406	$	5,608,998	$	5,149,463
Total assets	$	6,275,755	$	5,423,279	$	4,896,559	$	4,534,237	$	4,208,727
Total debt	$	3,284,766	$	2,798,452	$	2,627,216	$	2,397,043	$	2,311,294
Total shareholders’ equity	$	2,391,514	$	2,075,835	$	1,781,931	$	1,692,556	$	1,471,297
Number of common shares outstanding	73,091		71,996		69,493		68,606		66,701

(1) Property operating income is a non-GAAP measure that consists of rental income, other property income and mortgage interest income, less rental expenses and real estate taxes. This measure is used internally to evaluate the performance of property operations and we consider it to be a significant measure. Property operating income should not be considered an alternative measure of operating results or cash flow from operations as determined in accordance with GAAP.

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The reconciliation of operating income to property operating income is as follows:

	2017		2016		2015		2014		2013
	(In thousands)
Operating income	$	332,288	$	320,995	$	300,154	$	271,037	$	254,161
General and administrative	36,281		33,399		35,645		32,316		31,970
Depreciation and amortization	216,050		193,585		174,796		170,814		160,828
Property operating income	$	584,619	$	547,979	$	510,595	$	474,167	$	446,959

(2) Funds from operations ("FFO") is a supplemental non-GAAP financial measure of real estate companies’ operating performances. The National Association of Real Estate Investment Trusts (“NAREIT”) defines FFO as follows: net income, computed in accordance with GAAP, plus real estate related depreciation and amortization and excluding extraordinary items and gains on the sale of real estate. We compute FFO in accordance with the NAREIT definition, and we have historically reported our FFO available for common shareholders in addition to our net income.

We consider FFO available for common shareholders a meaningful, additional measure of operating performance primarily because it excludes the assumption that the value of the real estate assets diminishes predictably over time, as implied by the historical cost convention of GAAP and the recording of depreciation. We use FFO primarily as one of several means of assessing our operating performance in comparison with other REITs. Comparison of our presentation of FFO to similarly titled measures for other REITs may not necessarily be meaningful due to possible differences in the application of the NAREIT definition used by such REITs. Additional information regarding our calculation of FFO is contained in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

The reconciliation of net income to FFO available for common shareholders is as follows:

	2017			2016			2015				2014			2013
	(In thousands)
Net income	$	297,870		$	258,883		$	218,424			$	172,289		$	167,608
Net income attributable to noncontrolling interests	(7,956		)	(8,973		)	(8,205		)		(7,754		)	(4,927		)
Gain on sale of real estate and change in control of interests, net	(77,632		)	(31,133		)	(28,330		)		(4,401		)	(28,855		)
Depreciation and amortization of real estate assets	188,719			169,198			154,232				154,060			146,377
Amortization of initial direct costs of leases	19,124			16,875			15,026				12,391			10,694
Funds from operations	420,125			404,850			351,147				326,585			290,897
Dividends on preferred shares	(1,917		)	(541		)	(541		)		(541		)	(541		)
Income attributable to operating partnership units	3,143			3,145			3,398			3,398	3,027			888
Income attributable to unvested shares	(1,374		)	(1,095		)	(1,147		)		(1,474		)	(1,306		)
Funds from operations available for common shareholders	$	419,977		$	406,359		$	352,857			$	327,597		$	289,938

(3) EBITDA is a non-GAAP measure as calculated in the table below. Adjusted EBITDA is a non-GAAP measure that means net income or loss plus net interest expense, income taxes, depreciation and amortization, gain or loss on sale of real estate and impairments of real estate if any. Adjusted EBITDA is presented because it approximates a key performance measure in our debt covenants, but it should not be considered an alternative measure of operating results or cash flow from operations as determined in accordance with GAAP. Adjusted EBITDA as presented may not be comparable to other similarly titled measures used by other REITs.

The reconciliation of net income to EBITDA and adjusted EBITDA for the periods presented is as follows:

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	2017			2016			2015			2014			2013
	(In thousands)
Net income	$	297,870		$	258,883		$	218,424		$	172,289		$	167,608
Depreciation and amortization	216,050			193,585			174,796			170,814			161,099
Interest expense	100,125			94,994			92,553			93,941			104,977
Early extinguishment of debt	12,273			—			19,072			10,545			13,304
Provision for income tax	1,813			—			—			—			—
Other interest income	(475		)	(374		)	(149		)	(94		)	(433		)
EBITDA	627,656			547,088			504,696			447,495			446,555
Gain on sale of real estate and change in control of interests	(79,345		)	(32,458		)	(28,330		)	(4,401		)	(28,855		)
Adjusted EBITDA	$	548,311		$	514,630		$	476,366		$	443,094		$	417,700

(4) Fixed charges consist of interest on borrowed funds (including capitalized interest), amortization of debt discount/ premiums and debt costs, costs related to the early extinguishment of debt, and the portion of rent expense representing an interest factor. Excluding the $12.3 million, $19.1 million, $10.5 million, and $13.3 million early extinguishment of debt charge from fixed charges in 2017, 2015, 2014, and 2013, respectively, the ratio of EBITDA and adjusted EBITDA to combined fixed charges and preferred share dividends is 4.8x and 4.2x, respectively, for 2017, 4.5x and 4.3x, respectively, for 2015, 3.9x and 3.8x, respectively, for 2014, and 3.7x and 3.4x, respectively for 2013.

ITEM 7.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Forward-Looking Statements

Certain statements in this section or elsewhere in this report may be deemed “forward-looking statements”. See “Item 1A. Risk Factors” in this report for important information regarding these forward-looking statements and certain risk and uncertainties that may affect us. The following discussion should be read in conjunction with the consolidated financial statements and notes thereto appearing in “Item 8. Financial Statements and Supplementary Data” of this report.

Overview

We are an equity real estate investment trust (“REIT”) specializing in the ownership, management, and redevelopment of high quality retail and mixed-use properties located primarily in densely populated and affluent communities in strategically selected metropolitan markets in the Northeast and Mid-Atlantic regions of the United States, California, and South Florida. As of December 31, 2017, we owned or had a majority interest in community and neighborhood shopping centers and mixed-use properties which are operated as 104 predominantly retail real estate projects comprising approximately 24.2 million square feet. In total, the real estate projects were 95.3% leased and 93.9% occupied at December 31, 2017. We have paid quarterly dividends to our shareholders continuously since our founding in 1962 and have increased our dividends per common share for 50 consecutive years.

Critical Accounting Policies

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, referred to as “GAAP”, requires management to make estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities, and revenues and expenses. These estimates are prepared using management’s best judgment, after considering past and current events and economic conditions. In addition, information relied upon by management in preparing such estimates includes internally generated financial and operating information, external market information, when available, and when necessary, information obtained from consultations with third party experts. Actual results could differ from these estimates. A discussion of possible risks which may affect these estimates is included in “Item 1A. Risk Factors” of this report. Management considers an accounting estimate to be critical if changes in the estimate could have a material impact on our consolidated results of operations or financial condition.

Our significant accounting policies are more fully described in Note 2 to the consolidated financial statements; however, the most critical accounting policies, which involve the use of estimates and assumptions as to future uncertainties and, therefore, may result in actual amounts that differ from estimates, are as follows:

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Revenue Recognition and Accounts Receivable

Our leases with tenants are classified as operating leases. Substantially all such leases contain fixed escalations which occur at specified times during the term of the lease. Base rents are recognized on a straight-line basis from when the tenant controls the space through the term of the related lease, net of valuation adjustments, based on management’s assessment of credit, collection and other business risk. Percentage rents, which represent additional rents based upon the level of sales achieved by certain tenants, are recognized at the end of the lease year or earlier if we have determined the required sales level is achieved and the percentage rents are collectible. Real estate tax and other cost reimbursements are recognized on an accrual basis over the periods in which the related expenditures are incurred. For a tenant to terminate its lease agreement prior to the end of the agreed term, we may require that they pay a fee to cancel the lease agreement. Lease termination fees for which the tenant has relinquished control of the space are generally recognized on the termination date. When a lease is terminated early but the tenant continues to control the space under a modified lease agreement, the lease termination fee is generally recognized evenly over the remaining term of the modified lease agreement.

Current accounts receivable from tenants primarily relate to contractual minimum rent and percentage rent as well as real estate tax and other cost reimbursements. Accounts receivable from straight-line rent is typically longer term in nature and relates to the cumulative amount by which straight-line rental income recorded to date exceeds cash rents billed to date under the contractual lease agreement.

We make estimates of the collectability of our current accounts receivable and straight-line rents receivable which requires significant judgment by management. The collectability of receivables is affected by numerous factors including current economic conditions, bankruptcies, and the ability of the tenant to perform under the terms of their lease agreement. While we make estimates of potentially uncollectible amounts and provide an allowance for them through bad debt expense, actual collectability could differ from those estimates which could affect our net income. With respect to the allowance for current uncollectible tenant receivables, we assess the collectability of outstanding receivables by evaluating such factors as nature and age of the receivable, past history and current financial condition of the specific tenant including our assessment of the tenant’s ability to meet its contractual lease obligations, and the status of any pending disputes or lease negotiations with the tenant. At December 31, 2017 and 2016, our allowance for doubtful accounts was $11.8 million and $11.9 million, respectively. Historically, we have recognized bad debt expense between 0.3% and 1.3% of rental income and it was 0.3% in 2017. A change in the estimate of collectability of a receivable would result in a change to our allowance for doubtful accounts and correspondingly bad debt expense and net income. For example, in the event our estimates were not accurate and we were required to increase our allowance by 1% of rental income, our bad debt expense would have increased and our net income would have decreased by $8.4 million.

Due to the nature of the accounts receivable from straight-line rents, the collection period of these amounts typically extends beyond one year. Our experience relative to unbilled straight-line rents is that a portion of the amounts otherwise recognizable as revenue is never billed to or collected from tenants due to early lease terminations, lease modifications, bankruptcies and other factors. Accordingly, the extended collection period for straight-line rents along with our evaluation of tenant credit risk may result in the nonrecognition of a portion of straight-line rental income until the collection of such income is reasonably assured. If our evaluation of tenant credit risk changes indicating more straight-line revenue is reasonably collectible than previously estimated and realized, the additional straight-line rental income is recognized as revenue. If our evaluation of tenant credit risk changes indicating a portion of realized straight-line rental income is no longer collectible, a reserve and bad debt expense is recorded. At December 31, 2017 and 2016, accounts receivable includes approximately $93.1 million and $80.6 million, respectively, related to straight-line rents. Correspondingly, these estimates of collectability have a direct impact on our net income.

We are currently under construction on 221 condominium units at our Assembly Row and Pike & Rose properties. Gains or losses on the sale of these condominium units are recognized in accordance with the provisions of ASC Topic 360-20, “Property, Plant and Equipment – Real Estate Sales.” We account for contracted condominium sales under the percentage-of completion method, based on an evaluation of the criteria specified in ASC Topic 360-20 including: the legal commitment of the purchaser in the real estate contract, whether the construction of the project is beyond a preliminary phase, whether sufficient units have been contracted to ensure the project will not revert to a rental project, the ability to reasonably estimate the aggregate project sale proceeds and aggregate project costs, and the determination that the buyer has made an adequate initial and continuing cash investment under the contract. When the percentage-of-completion criteria have not been met, no profit is recognized. The application of these criteria can be complex and requires us to make assumptions. The timing of revenue recognition related to these condominium sales will be impacted by the January 1, 2018 adoption of ASU 2014-09 "Revenue from Contracts with Customers." See "Recent Accounting Pronouncements," in Note 2 to the consolidated financial statements for further discussion regarding the changes.

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Real Estate

The nature of our business as an owner, redeveloper and operator of retail shopping centers and mixed-use properties means that we invest significant amounts of capital. Depreciation and maintenance costs relating to our properties constitute substantial costs for us as well as the industry as a whole. We capitalize real estate investments and depreciate them on a straight-line basis in accordance with GAAP and consistent with industry standards based on our best estimates of the assets’ physical and economic useful lives. We periodically review the estimated lives of our assets and implement changes, as necessary, to these estimates and, therefore, to our depreciation rates. These reviews may take into account such factors as the historical retirement and replacement of our assets, expected redevelopments, and general economic and real estate factors. Certain events, such as unforeseen competition or changes in customer shopping habits, could substantially alter our assumptions regarding our ability to realize the expected return on investment in the property and therefore reduce the economic life of the asset and affect the amount of depreciation expense to be charged against both the current and future revenues. These assessments have a direct impact on our net income. The longer the economic useful life, the lower the depreciation expense will be for that asset in a fiscal period, which in turn will increase our net income. Similarly, having a shorter economic useful life would increase the depreciation for a fiscal period and decrease our net income.

Land, buildings and real estate under development are recorded at cost. We calculate depreciation using the straight-line method with useful lives ranging generally from 35 years to a maximum of 50 years on buildings and major improvements. Maintenance and repair costs are charged to operations as incurred. Tenant work and other major improvements, which improve or extend the life of the asset, are capitalized and depreciated over the life of the lease or the estimated useful life of the improvements, whichever is shorter. Minor improvements, furniture and equipment are capitalized and depreciated over useful lives ranging from 2 to 20 years.

Capitalized costs associated with leases are depreciated or amortized over the base term of the lease. Unamortized leasing costs are charged to expense if the applicable tenant vacates before the expiration of its lease. Undepreciated tenant work is written-off if the applicable tenant vacates and the tenant work is replaced or has no future value. Additionally, we make estimates as to the probability of certain development and redevelopment projects being completed. If we determine the redevelopment is no longer probable of completion, we immediately expense all capitalized costs which are not recoverable.

Interest costs on developments and major redevelopments are capitalized as part of developments and redevelopments not yet placed in service. Capitalization of interest commences when development activities and expenditures begin and end upon completion, which is when the asset is ready for its intended use. Generally, rental property is considered substantially complete and ready for its intended use upon completion of tenant improvements, but no later than one year from completion of major construction activity. We make judgments as to the time period over which to capitalize such costs and these assumptions have a direct impact on net income because capitalized costs are not subtracted in calculating net income. If the time period for capitalizing interest is extended, more interest is capitalized, thereby decreasing interest expense and increasing net income during that period.

Certain external and internal costs directly related to the development, redevelopment and leasing of real estate, including pre-construction costs, real estate taxes, insurance, construction costs and salaries and related costs of personnel directly involved, are capitalized. We capitalized external and internal costs related to both development and redevelopment activities of $410 million and $8 million, respectively, for 2017 and $420 million and $9 million, respectively, for 2016. We capitalized external and internal costs related to other property improvements of $74 million and $3 million, respectively, for 2017 and $61 million and $3 million, respectively, for 2016. We capitalized external and internal costs related to leasing activities of $11 million and $6 million, respectively, for 2017 and $13 million and $6 million, respectively, for 2016. The amount of capitalized internal costs for salaries and related benefits for development and redevelopment activities, other property improvements, and leasing activities were $7 million, $3 million, and $6 million, for 2017 and $8 million, $2 million, and $6 million for 2016. Total capitalized costs were $512 million and $511 million for 2017 and 2016, respectively.

When applicable, as lessee, we classify our leases of land and building as operating or capital leases. We are required to use judgment and make estimates in determining the lease term, the estimated economic life of the property and the interest rate to be used in determining whether or not the lease meets the qualification of a capital lease and is recorded as an asset.

Real Estate Acquisitions

Upon acquisition of operating real estate properties, we estimate the fair value of assets and liabilities acquired including land, building, improvements, leasing costs, intangibles such as in-place leases, assumed debt, and current assets and liabilities, if any.  Based on these estimates, we allocate the purchase price to the applicable assets and liabilities. We utilize methods similar to those used by independent appraisers in estimating the fair value of acquired assets and liabilities. The value allocated to in-place leases is amortized over the related lease term and reflected as rental income in the statement of operations. We consider qualitative and quantitative factors in evaluating the likelihood of a tenant exercising a below market renewal option and

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include such renewal options in the calculation of in-place lease value when we consider these to be bargain renewal options. If the value of below market lease intangibles includes renewal option periods, we include such renewal periods in the amortization period utilized. If a tenant vacates its space prior to contractual termination of its lease, the unamortized balance of any in-place lease value is written off to rental income.

Long-Lived Assets and Impairment

There are estimates and assumptions made by management in preparing the consolidated financial statements for which the actual results will be determined over long periods of time. This includes the recoverability of long-lived assets, including our properties that have been acquired or redeveloped and our investment in certain joint ventures. Management’s evaluation of impairment includes review for possible indicators of impairment as well as, in certain circumstances, undiscounted and discounted cash flow analysis. Since most of our investments in real estate are wholly-owned or controlled assets which are held for use, a property with impairment indicators is first tested for impairment by comparing the undiscounted cash flows, including residual value, to the current net book value of the property. If the undiscounted cash flows are less than the net book value, the property is written down to expected fair value.

The calculation of both discounted and undiscounted cash flows requires management to make estimates of future cash flows including revenues, operating expenses, required maintenance and development expenditures, market conditions, demand for space by tenants and rental rates over long periods. Because our properties typically have a long life, the assumptions used to estimate the future recoverability of book value requires significant management judgment. Actual results could be significantly different from the estimates. These estimates have a direct impact on net income, because recording an impairment charge results in a negative adjustment to net income.

Contingencies

We are sometimes involved in lawsuits, warranty claims, and environmental matters arising in the ordinary course of business. Management makes assumptions and estimates concerning the likelihood and amount of any potential loss relating to these matters. We accrue a liability for litigation if an unfavorable outcome is probable and the amount of loss can be reasonably estimated. If an unfavorable outcome is probable and a reasonable estimate of the loss is a range, we accrue the best estimate within the range; however, if no amount within the range is a better estimate than any other amount, the minimum within the range is accrued. Any difference between our estimate of a potential loss and the actual outcome would result in an increase or decrease to net income.

Self-Insurance

We are self-insured for general liability costs up to predetermined retained amounts per claim, and we believe that we maintain adequate accruals to cover our retained liability. We currently do not maintain third party stop-loss insurance policies to cover liability costs in excess of predetermined retained amounts. Our accrual for self-insurance liability is determined by management and is based on claims filed and an estimate of claims projected to be incurred but not yet reported. Management considers a number of factors, including third-party actuarial analysis, previous experience in our portfolio, and future increases in costs of claims, when making these determinations. If our liability costs differ from these accruals, it will increase or decrease our net income.

Recently Adopted and Recently Issued Accounting Pronouncements

See Note 2 to the consolidated financial statements.

2017 Property Acquisitions and Dispositions

On February 1, 2017, we acquired a leasehold interest in Hastings Ranch Plaza, a 274,000 square foot shopping center in Pasadena, California for $29.5 million. The land is subject to a long-term ground lease that expires on April 30, 2054. Approximately $21.5 million of assets acquired were allocated to lease intangibles and included within other assets. Approximately $15.2 million of net assets acquired were allocated to lease liabilities and included in other liabilities.

On March 31, 2017, we acquired the fee interest in Riverpoint Center, a 211,000 square foot shopping center in the Lincoln Park neighborhood of Chicago, Illinois for $107.0 million. Approximately $1.0 million and $12.3 million of net assets acquired were allocated to other assets for "above market leases," and other liabilities for "below market leases," respectively.

We leased three parcels of land at our Assembly Row property to two ground lessees. Both lessees exercised purchase options under the related ground leases. The sale transaction related to the purchase option on one of our ground leases was completed on April 4, 2017 for a sales price of $36.0 million. On June 28, 2017, the sale transactions related to the purchase options on our other two ground lease parcels were completed for a total sales price of $17.3 million. The net gain recognized in

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connection with these transactions was approximately $15.4 million. At December 31, 2016, the total cost basis of the related land was $33.9 million and is included in "assets held for sale" on our consolidated balance sheet.

On May 19, 2017, we acquired the fee interest in a 71,000 square foot, mixed-use property located in Berkeley, California based on a gross value of $23.9 million. The acquisition was completed through a newly formed entity for which we own a 90% controlling interest. Approximately $0.8 million and $0.3 million of net assets acquired were allocated to other assets for "above market leases," and other liabilities for "below market leases," respectively. Additionally, approximately $2.4 million was allocated to noncontrolling interests.

On August 2, 2017, we acquired an approximately 90% interest in a joint venture that owns six shopping centers in Los Angeles County, California based on a gross value of $357 million, including the assumption of $79.4 million of mortgage debt. Approximately $7.8 million of assets acquired were allocated to lease intangibles and included within other assets. Approximately $36.2 million of net assets acquired were allocated to lease liabilities and included in other liabilities. Additionally, approximately $30.6 million was allocated to noncontrolling interests. That joint venture also acquired a 24.5% interest in La Alameda, a shopping center in Walnut Park, California for $19.8 million. The property has $41.0 million of mortgage debt, of which the joint venture's share is approximately $10 million. Additional information on the properties is listed below:

Property	City/State	GLA
		(in square feet)
Azalea	South Gate, CA	222,000
Bell Gardens	Bell Gardens, CA	330,000
La Alameda	Walnut Park, CA	245,000
Olivo at Mission Hills (1)	Mission Hills, CA	155,000
Plaza Del Sol	South El Monte, CA	48,000
Plaza Pacoima	Pacoima, CA	204,000
Sylmar Towne Center	Sylmar, CA	148,000
		1,352,000
(1) Property is currently being redeveloped. GLA reflects approximate square footage once the property is open and operating.

On August 25, 2017, we sold our property located at 150 Post Street in San Francisco, California for a sales price of $69.3 million, resulting in a gain of $45.2 million.

On September 25, 2017, we sold our North Lake Commons property in Lake Zurich, Illinois for a sales price of $15.6 million, resulting in a gain of $4.9 million.

On December 28, 2017, we sold a parcel of land at our Bethesda Row property in Bethesda, Maryland for a sales price of $8.5 million, resulting in a gain of $6.5 million.

For the year ended December 31, 2017, we recognized a $5.4 million gain, net of $1.4 million of income taxes, related to the sale of condominiums at our Assembly Row property based on the percentage-of-completion method. In connection with recording the gain, we recognized a receivable of $67.1 million as of December 31, 2017. The closing of the Assembly Row condominium sales is expected to commence in 2018.As of December 31, 2017, no gain has been recognized for contracted condominium sales at Pike & Rose, as not all of the criteria necessary for profit recognition have been met.

2017 Significant Debt and Equity Transactions

On June 5, 2017 we refinanced the $175.0 million mortgage loan on Plaza El Segundo at a face amount of $125.0 million and repaid the remaining $50.0 million at par. The new mortgage loan bears interest at 3.83% and matures on June 5, 2027.

On June 23, 2017, we issued $400.0 million aggregate principal amount of fixed rate senior unsecured notes in two separate series. We issued $300.0 million of 3.25% notes that mature on July 15, 2027, which were offered at 99.083% of the principal amount, with a yield to maturity of 3.358%. Additionally, we issued $100.0 million of 4.50% notes due December 1, 2044. The 4.50% notes were offered at 105.760% of the principal amount, with a yield to maturity of 4.143%, and have the same terms and are of the same series as the senior notes first issued on November 14, 2014. Our net proceeds from the June note offering after net issuance premium, underwriting fees and other costs was approximately $399.5 million.

In connection with the acquisition of six shopping centers in Los Angeles County, California on August 2, 2017 (as further discussed in Note 3), we assumed mortgage loans with a face amount of $79.4 million and a fair value of $80.1 million. The mortgage loans are secured by the individual properties with the following contractual terms:

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	Principal		Stated Interest Rate		Maturity Date
	(in millions)
Sylmar Towne Center	$	17.5	5.39	%	June 6, 2021
Plaza Del Sol	8.6		5.23	%	December 1, 2021
Azalea	40.0		3.73	%	November 1, 2025
Bell Gardens	13.3		4.06	%	August 1, 2026

On August 31, 2017, we refinanced the $41.8 million mortgage loan on The Grove at Shrewsbury (East) at a face amount of $43.6 million. The new mortgage loan bears interest at 3.77% and matures on September 1, 2027.

On September 29, 2017, we issued 6,000,000 Depository Shares, each representing 1/1000th of a 5.0% Series C Cumulative Redeemable Preferred Share, par value $0.01 per share ("Series C Preferred Shares"), at the liquidation preference of $25.00 per depository share (or $25,000 per Series C Preferred share) in an underwritten public offering. The Series C Preferred Shares accrue dividends at a rate of 5.0% of the $25,000 liquidation preference per year and are redeemable at our option on or after September 29, 2022. Additionally, they are not convertible and holders of these shares generally have no voting rights, unless we fail to pay dividends for six or more quarters. The net proceeds after underwriting fees and other costs were approximately $145.0 million.

On December 21, 2017, we issued $175.0 million aggregate principal amount of 3.25% senior unsecured notes due July 15, 2027. The notes have the same terms and are of the same series as the $300.0 million senior notes issued on June 23, 2017. The notes were offered at 99.404% of the principal amount, with a yield to maturity of 3.323%. Our net proceeds from the December note offering after net issuance premium, underwriting fees and other costs were approximately $172.5 million. The proceeds were used on December 31, 2017 to repay our $150.0 million5.90% notes prior to the original maturity date of April 1, 2020. The redemption price of $164.1 million included a make-whole premium of $11.9 million and accrued but unpaid interest of $2.2 million. The make-whole premium is included in "early extinguishment of debt" in 2017.

On November 4, 2016, we replaced our existing at-the-market (“ATM”) equity program with a new ATM equity program in which we may from time to time offer and sell common shares having an aggregate offering price of up to $400.0 million. We intend to use the net proceeds to fund potential acquisition opportunities, fund our development and redevelopment pipeline, repay amounts outstanding under our revolving credit facility and/or for general corporate purposes. For the three months ended December 31, 2017, we issued 501,120 common shares at a weighted average price per share of $132.22 for net cash proceeds of $65.6 million and paid $0.7 million in commissions and less than $0.1 million in additional offering expenses related to the sales of these common shares. For the year ended December 31, 2017, we issued 826,517 common shares at a weighted average price per share of $132.56 for net cash proceeds of $108.3 million and paid $1.1 million in commissions and $0.2 million in additional offering expenses related to the sales of these common shares. As of December 31, 2017, we had the capacity to issue up to $261.3 million in common shares under our ATM equity program.

Outlook

We seek growth in earnings, funds from operations, and cash flows primarily through a combination of the following:

• growth in our same-center portfolio,

• growth in our portfolio from property development and redevelopments, and

• expansion of our portfolio through property acquisitions.

Our same-center growth is primarily driven by increases in rental rates on new leases and lease renewals, changes in portfolio occupancy, and the redevelopment of those assets. Over the long-term, the infill nature and strong demographics of our properties provide a strategic advantage allowing us to maintain relatively high occupancy and generally increase rental rates. We continue to see strong levels of interest from prospective tenants for our retail spaces; however, the time it takes to complete new lease deals is longer, as tenants have become more selective and more deliberate in their decision-making process. We have also experienced extended periods of time for some government agencies to process permits and inspections further delaying rent commencement on newly leased spaces. Additionally, we have seen an overall decrease in the number of tenants available to fill anchor spaces, and have seen an uptick in the number of retail tenants closing early and/or filing for bankruptcy. We believe the locations and nature of our centers and diverse tenant base partially mitigates any potential negative changes in the economic environment. However, any significant reduction in our tenants' abilities to pay base rent, percentage rent or other charges, will adversely affect our financial condition and results of operations. We seek to maintain a mix of strong national, regional, and local retailers. At December 31, 2017, no single tenant accounted for more than 2.9% of annualized base rent.

Our properties are located primarily in densely populated and/or affluent areas with high barriers to entry which allow us to take advantage of redevelopment opportunities that enhance our operating performance through renovation, expansion,

35

reconfiguration, and/or retenanting. We evaluate our properties on an ongoing basis to identify these types of opportunities. We currently have redevelopment projects underway with a projected cost of approximately $155 million that we expect to stabilize in the next several years.

We continue our ongoing redevelopment efforts at Santana Row and are under construction on an eight story 284,000 square foot office building which will include an additional 29,000 square feet of retail space and 1,300 parking spaces. The building is expected to cost between $205 and $215 million and to be delivered in 2019. After current phases, we have approximately 4 acres remaining for further redevelopment and entitlements in place for an additional 395 residential units and 321,000 square feet of commercial space. Additionally, we control 12 acres of land adjacent to Santana Row.

We continue to invest in our long-term multi-phased mixed-use development projects at Assembly Row in Somerville, Massachusetts and Pike & Rose in North Bethesda, Maryland which we expect to be involved in over the coming years.

Construction of Phase II of Assembly Row which will include 161,000 square feet of retail space, 447 residential units, and a 158 room boutique hotel (which will be owned and operated by a joint venture in which we are a partner) is underway. Total expected costs range from $280 million to $295 million and remaining delivery is expected in 2018. Approximately 49,000 square feet of retail space in Phase II has opened in 2017, and in September, the first tenants moved into the new residential building. Phase II will also include 122 for-sale condominium units with an expected total cost of $74 million to $79 million. Additionally, as part of the second phase, we entered into a ground lease agreement with Partners HealthCare to bring 741,500 square feet of office space to Assembly Row. The ground lease agreement included a purchase option, which was exercised and the related sale closed on April 4, 2017.

Construction of Phase II of Pike & Rose is also underway. Phase II will include approximately 216,000 square feet of retail space, 272 residential units, and a 177 room boutique hotel. Approximately 151,000 square feet of retail space in Phase II has opened in 2017, and in August, the first tenants moved into the new residential building. Total expected costs range from $200 million to $207 million and remaining delivery is expected in 2018. The hotel will be owned and operated by a joint venture in which we are a partner. Phase II will also include 99 for-sale condominium units with an expected cost of $53 million to $58 million.

We invested $273 million in Assembly Row and Pike & Rose in 2017 and expect to invest between $75 million and $100 million in Assembly Row and Pike & Rose in 2018.

The development of future phases of Assembly Row, Pike & Rose and Santana Row will be pursued opportunistically based on, among other things, market conditions, tenant demand, and our evaluation of whether those phases will generate an appropriate financial return.

We continue to review acquisition opportunities in our primary markets that complement our portfolio and provide long-term growth opportunities. Initially, some of our acquisitions do not contribute significantly to earnings growth; however, we believe they provide long-term re-leasing growth, redevelopment opportunities, and other strategic opportunities. Any growth from acquisitions is contingent on our ability to find properties that meet our qualitative standards at prices that meet our financial hurdles. Changes in interest rates may affect our success in achieving earnings growth through acquisitions by affecting both the price that must be paid to acquire a property, as well as our ability to economically finance the property acquisition. Generally, our acquisitions are initially financed by available cash and/or borrowings under our revolving credit facility which may be repaid later with funds raised through the issuance of new equity or new long-term debt. We may also finance our acquisitions through the issuance of common shares, preferred shares, or downREIT units as well as through assumed mortgages.

At December 31, 2017, the leasable square feet in our properties was 95.3% leased and 93.9% occupied. The leased rate is higher than the occupied rate due to leased spaces that are being redeveloped or improved or that are awaiting permits and, therefore, are not yet ready to be occupied. Our occupancy and leased rates are subject to variability over time due to factors including acquisitions, the timing of the start and stabilization of our redevelopment projects, lease expirations and tenant closings and bankruptcies.

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Same-Center

Throughout this section, we have provided certain information on a “same-center” basis. Information provided on a same-center basis includes the results of properties that we owned and operated for the entirety of both periods being compared except for properties for which significant redevelopment or expansion occurred during either of the periods being compared. For the year ended December 31, 2017 and the comparison of 2017 and 2016, all or a portion of 78 properties were considered same-center and 15 properties were considered redevelopment or expansion. For the year ended December 31, 2017, one property was moved from acquisition to same-center, two properties were removed from same-center as they were sold during 2017, and four properties or portions of properties were moved from redevelopment to same-center, compared to the designations as of December 31, 2016. For the year ended December 31, 2016 and the comparison of 2016 and 2015, all or a portion of 76 properties were considered same-center and 17 properties were considered redevelopment or expansion. For the year ended December 31, 2016, three properties or portions of properties were moved from same-center to redevelopment and one property was moved from redevelopment to same-center, compared to the designations as of December 31, 2015. While there is judgment surrounding changes in designations, we typically move redevelopment properties to same-center once they have stabilized, which is typically considered 95% occupancy or when the growth expected from the redevelopment has been included in the comparable periods. We typically remove properties from same center when the redevelopment has or is expected to have a significant impact to property operating income within the calendar year.  Acquisitions are moved to same-center once we have owned the property for the entirety of comparable periods and the property is not under significant redevelopment or expansion.

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YEAR ENDED DECEMBER 31, 2017 COMPARED TO YEAR ENDED DECEMBER 31, 2016

							Change
	2017			2016			Dollars			%
	(Dollar amounts in thousands)
Rental income	$	841,461		$	786,583		$	54,878		7.0	%
Other property income	12,825			11,015			1,810			16.4	%
Mortgage interest income	3,062			3,993			(931		)	(23.3	)%
Total property revenue	857,348			801,591			55,757			7.0	%
Rental expenses	164,890			158,326			6,564			4.1	%
Real estate taxes	107,839			95,286			12,553			13.2	%
Total property expenses	272,729			253,612			19,117			7.5	%
Property operating income (1)	584,619			547,979			36,640			6.7	%
General and administrative expense	(36,281		)	(33,399		)	(2,882		)	8.6	%
Depreciation and amortization	(216,050		)	(193,585		)	(22,465		)	11.6	%
Operating income	332,288			320,995			11,293			3.5	%
Other interest income	475			374			101			27.0	%
(Loss) income from real estate partnerships	(417		)	50			(467		)	(934.0	)%
Interest expense	(100,125		)	(94,994		)	(5,131		)	5.4	%
Early extinguishment of debt	(12,273		)	—			(12,273		)	100.0	%
Total other, net	(112,340		)	(94,570		)	(17,770		)	18.8	%
Income from continuing operations	219,948			226,425			(6,477		)	(2.9	)%
Gain on sale of real estate and change in control of interests, net	77,922			32,458			45,464			140.1	%
Net income	297,870			258,883			38,987			15.1	%
Net income attributable to noncontrolling interests	(7,956		)	(8,973		)	1,017			(11.3	)%
Net income attributable to the Trust	$	289,914		$	249,910		$	40,004		16.0	%

(1) Property operating income is a non-GAAP financial measure. See Item 6. Selected Financial Data for further discussion.

Property Revenues

Total property revenue increased $55.8 million, or 7.0%, to $857.3 million in 2017 compared to $801.6 million in 2016. The percentage occupied at our shopping centers was 93.9% at December 31, 2017 compared to 93.3% at December 31, 2016. Changes in the components of property revenue are discussed below.

Rental Income

Rental income consists primarily of minimum rent, cost reimbursements from tenants and percentage rent. Rental income increased $54.9 million, or 7.0%, to $841.5 million in 2017 compared to $786.6 million in 2016 due primarily to the following:

• an increase of $22.0 million from acquisitions, primarily related to the six shopping centers acquired in Los Angeles County, California, Riverpoint Center, and Hastings Ranch Plaza,

• an increase of $16.6 million at redevelopment properties due to the opening of our new office building at Santana Row in late 2016, the lease-up of three of our retail redevelopments, and the lease-up of the new residential building at Congressional Plaza, partially offset by lower occupancy at two of our retail properties in Florida in the beginning stages of redevelopment,

• an increase of $8.0 million at same-center properties due primarily to higher rental rates of approximately $6.0 million, higher recoveries of $3.4 million primarily the result of higher real estate tax assessments, partially offset by lower average occupancy of approximately $1.2 million,

• an increase of $6.1 million from Assembly Row and Pike & Rose due primarily to the lease-up of residential units and the opening of the second phase of retail during the second half of 2017, and

• an increase of $3.2 million from the acquisition of six previously unconsolidated Clarion joint venture properties in January 2016,

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partially offset by

• a decrease of $0.9 million from the sale of our 150 Post Street and North Lake Commons properties in August and September 2017, respectively.

Other Property Income

Other property income increased $1.8 million, or 16.4%, to $12.8 million in 2017 compared to $11.0 million in 2016. Included in other property income are items, which, although recurring, inherently tend to fluctuate more than rental income from period to period, such as lease termination fees. This increase is primarily related to higher lease termination fees.

Mortgage Interest Income

Mortgage interest income decreased $0.9 million, or 23.3%, to $3.1 million in 2017 compared to $4.0 million in 2016. This decrease is primarily related to a mortgage note receivable that was repaid in 2016.

Property Expenses

Total property expenses increased $19.1 million, or 7.5%, to $272.7 million in 2017 compared to $253.6 million in 2016. Changes in the components of property expenses are discussed below.

Rental Expenses

Rental expenses increased $6.6 million, or 4.1%, to $164.9 million in 2017 compared to $158.3 million in 2016. This increase is primarily due to the following:

• an increase of $4.7 million from acquisitions, primarily related to six shopping centers in Los Angeles County, California, Hastings Ranch Plaza, and Riverpoint Center, and

• an increase of $2.1 million from Assembly Row and Pike & Rose due primarily to the opening of Phase II residential units during the second half of 2017.

As a result of the changes in rental income and rental expenses as discussed above, rental expenses as a percentage of rental income plus other property income decreased to 19.3% for the year ended December 31, 2017 from 19.9% for the year ended December 31, 2016.

Real Estate Taxes

Real estate tax expense increased $12.6 million, or 13.2% to $107.8 million in 2017 compared to $95.3 million in 2016 due primarily to the following:

• an increase of $4.4 million at same-center properties primarily due to higher assessments,

• an increase of $4.2 million from acquisitions, primarily related to six shopping centers in Los Angeles County, California, Riverpoint Center, and Hastings Ranch Plaza,

• an increase of $3.0 million from redevelopment properties, primarily related to our new office building at Santana Row and other reassessments on our redevelopments, and

• an increase of $0.9 million related to Assembly Row and Pike & Rose.

Property Operating Income

Property operating income increased $36.6 million, or 6.7%, to $584.6 million in 2017 compared to $548.0 million in 2016.This increase is primarily due to growth in earnings at redevelopment and same-center properties, 2017 acquisitions, Assembly Row and Pike & Rose (primarily the lease-up of residential units at Pike & Rose, the opening of the second phase of retail at Pike & Rose, and higher lease termination fees), and the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016.

Other Operating Expenses

General and Administrative Expense

General and administrative expense increased $2.9 million, or 8.6%, to $36.3 million in 2017 from $33.4 million in 2016. This increase is primarily due to higher personnel related costs.

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Depreciation and Amortization

Depreciation and amortization expense increased $22.5 million, or 11.6%, to $216.1 million in 2017 from $193.6 million in 2016. This increase is primarily due to 2017 acquisitions, redevelopment properties (largely the new office building at Santana Row), Assembly Row and Pike & Rose, and same-center properties.

Operating Income

Operating income increased $11.3 million, or 3.5%, to $332.3 million in 2017 compared to $321.0 million in 2016. This increase is primarily due to growth in earnings at redevelopment and same-center properties, our 2017 acquisitions, Assembly Row and Pike & Rose, and the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016, partially offset by higher personnel related costs.

Other

Interest Expense

Interest expense increased $5.1 million, or 5.4%, to $100.1 million in 2017 compared to $95.0 million in 2016. This increase is due primarily to the following:

• an increase of $16.1 million due to higher borrowings primarily attributable to the $300 million 3.25% senior notes and the $100 million reopening of the 4.5% senior notes both issued in June 2017, the 3.625% senior notes issued in July 2016, and higher weighted average borrowings on our revolving credit facility,

partially offset by

• an increase of $7.5 million in capitalized interest, and

• a decrease of $3.5 million due to a lower overall weighted average borrowing rate.

Gross interest costs were $125.7 million and $113.0 million in 2017 and 2016, respectively. Capitalized interest was $25.6 million and $18.0 million in 2017 and 2016, respectively.

Early Extinguishment of Debt

The $12.3 million early extinguishment of debt charge in 2017 relates to the make-whole premium paid as part of the early redemption of our 5.90% senior notes on December 31, 2017 and the related write-off of the unamortized discount and debt fees.

Gain on Sale of Real Estate and Change in Control of Interests, Net

The $77.9 million gain on sale of real estate and change in control of interests, net for the year ended December 31, 2017 is primarily due to the following:

• $45.2 million gain related to the sale of our 150 Post Street property in August 2017,

• $15.4 million gain related to the sale of three ground lease parcels at our Assembly Row property in Somerville, Massachusetts,

• $6.5 million gain related to the sale of a parcel of land at our Bethesda Row property in December 2017,

• $5.4 million net percentage-of-completion gain, related to residential condominium units under binding contract at our Assembly Row property, and

• $4.9 million gain related to the sale of our North Lake Commons property in September 2017.

The $32.5 million gain on sale of real estate and change in control of interests for the year ended December 31, 2016 is primarily due to the following:

• $25.7 million gain related to our obtaining control of six properties when we acquired Clarion’s 70% interest in the partnership that owned those properties. The properties were previously accounted for under the equity method of accounting. We consolidated these assets effective January 13, 2016, and consequently recognized a gain on obtaining the controlling interest,

• $4.9 million gain related to the reversal of the unused portion of the warranty reserve for condominium units at Santana Row, as the statutorily mandated latent construction defect period ended in third quarter 2016, and

• $1.8 million gain related to the sale of a building in Coconut Grove, Florida. Our share of the gain, net of noncontrolling interests, was $0.5 million.

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YEAR ENDED DECEMBER 31, 2016 COMPARED TO YEAR ENDED DECEMBER 31, 2015

							Change
	2016			2015			Dollars			%
	(Dollar amounts in thousands)
Rental income	$	786,583		$	727,812		$	58,771		8.1	%
Other property income	11,015			11,810			(795		)	(6.7	)%
Mortgage interest income	3,993			4,390			(397		)	(9.0	)%
Total property revenue	801,591			744,012			57,579			7.7	%
Rental expenses	158,326			147,593			10,733			7.3	%
Real estate taxes	95,286			85,824			9,462			11.0	%
Total property expenses	253,612			233,417			20,195			8.7	%
Property operating income (1)	547,979			510,595			37,384			7.3	%
General and administrative expenses	(33,399		)	(35,645		)	2,246			(6.3	)%
Depreciation and amortization	(193,585		)	(174,796		)	(18,789		)	10.7	%
Operating income	320,995			300,154			20,841			6.9	%
Other interest income	374			149			225			151.0	%
Income from real estate partnerships	50			1,416			(1,366		)	(96.5	)%
Interest expense	(94,994		)	(92,553		)	(2,441		)	2.6	%
Early extinguishment of debt	—			(19,072		)	19,072			(100.0	)%
Total other, net	(94,570		)	(110,060		)	15,490			(14.1	)%
Income from continuing operations	226,425			190,094			36,331			19.1	%
Gain on sale of real estate	32,458			28,330			4,128			14.6	%
Net income	258,883			218,424			40,459			18.5	%
Net income attributable to noncontrolling interests	(8,973		)	(8,205		)	(768		)	9.4	%
Net income attributable to the Trust	$	249,910		$	210,219		$	39,691		18.9	%

(1) Property operating income is a non-GAAP financial measure. See Item 6. Selected Financial Data for further discussion.

Property Revenues

Total property revenue increased $57.6 million, or 7.7%, to $801.6 million in 2016 compared to $744.0 million in 2015. The percentage occupied at our shopping centers was 93.3% at December 31, 2016 compared to 93.5% at December 31, 2015. Changes in the components of property revenue are discussed below.

Rental Income

Rental income consists primarily of minimum rent, cost reimbursements from tenants and percentage rent. Rental income increased $58.8 million, or 8.1%, to $786.6 million in 2016 compared to $727.8 million in 2015 due primarily to the following:

• an increase of $16.9 million attributable to properties acquired in 2015 and 2016,

• an increase of $15.3 million from the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016,

• an increase of $11.7 million from Assembly Row and Pike & Rose as portions of both projects opened in 2015 and early 2016,

• an increase of $10.6 million at redevelopment properties due primarily to the lease-up of The Point at Plaza El Segundo, as well as six of our other retail redevelopments, and the opening of the new office building at Santana Row, partially offset by lower occupancy as we start redeveloping centers, and

• an increase of $9.5 million at same-center properties due primarily to higher rental rates of approximately $12.8 million, higher recoveries of $1.8 million primarily the net result of higher real estate tax expense offset by lower snow removal expense, partially offset by lower average occupancy of approximately $4.7 million,

partially offset by,

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• a decrease of $4.8 million due to the sale of our Houston Street and Courtyard Shops properties in April 2015 and November 2015, respectively.

Other Property Income

Other property income decreased $0.8 million, or 6.7%, to $11.0 million in 2016 compared to $11.8 million in 2015. The decrease is primarily due to a decrease in fee income as we no longer earn fees on the former Clarion joint venture properties.

Property Expenses

Total property expenses increased $20.2 million, or 8.7%, to $253.6 million in 2016 compared to $233.4 million in 2015. Changes in the components of property expenses are discussed below.

Rental Expenses

Rental expenses increased $10.7 million, or 7.3%, to $158.3 million in 2016 compared to $147.6 million in 2015. This increase is primarily due to the following:

• an increase of $6.1 million related to properties acquired in 2015 and 2016,

• an increase of $3.2 million from the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016,

• an increase of $2.0 million related to Assembly Row and Pike & Rose, as portions of both projects opened in 2015 and early 2016,

• an increase of $2.0 million at redevelopment properties,

partially offset by

• a decrease of $1.9 million in repairs and maintenance expenses at same-center properties primarily due to lower snow removal costs, and

• a decrease of $1.1 million due to the sale of our Houston Street and Courtyard Shops properties in April 2015 and November 2015, respectively.

As a result of the changes in rental income and rental expenses as discussed above, rental expenses as a percentage of rental income plus other property income increased to 19.9% for the year ended December 31, 2016 from 20.0% for the year ended December 31, 2015.

Real Estate Taxes

Real estate tax expense increased $9.5 million, or 11.0% to $95.3 million in 2016 compared to $85.8 million in 2015 due primarily to the following:

• an increase of $4.2 million at same-center properties due to higher assessments,

• an increase of $2.2 million from properties acquired in 2015 and 2016,

• an increase of $1.9 million due to the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016,

• an increase of $1.1 million from redevelopment properties, and

• an increase of $0.8 million related to Assembly Row and Pike & Rose,

partially offset by

• a decrease of $0.8 million due to the sale of our Houston Street and Courtyard Shops properties in April 2015 and November 2015, respectively.

Property Operating Income

Property operating income increased $37.4 million, or 7.3%, to $548.0 million in 2016 compared to $510.6 million in 2015. This increase is primarily due to growth in earnings at same-center and redevelopment properties, the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016, portions of Assembly Row and Pike & Rose opening in 2015 and early 2016, and properties acquired in 2015, partially offset by the sale of our Houston Street and Courtyard Shops properties in April 2015 and November 2015, respectively.

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Other Operating Expense

General and Administrative Expense

General and administrative expense decreased $2.2 million, or 6.3%, to $33.4 million in 2016 from $35.6 million in 2015. This increase is primarily due to lower transaction costs, partially offset by higher personnel related costs.

Depreciation and Amortization

Depreciation and amortization expense increased $18.8 million, or 10.7%, to $193.6 million in 2016 from $174.8 million in 2015. This increase is due primarily to the acquisition of the six previously unconsolidated Clarion joint venture properties in

January 2016, Assembly Row and Pike & Rose, depreciation on redevelopment related assets, and properties acquired in 2015.

Operating Income

Operating income increased $20.8 million, or 6.9%, to $321.0 million in 2016 compared to $300.2 million in 2015. This increase is primarily due to properties acquired in 2015, portions of Assembly Row and Pike & Rose opening in 2015 and early 2016, growth in earnings at redevelopment and same-center properties, and the acquisition of the six previously unconsolidated Clarion joint venture properties in January 2016, partially offset by the sale of our Houston Street and Courtyard Shops properties in April 2015 and November 2015, respectively.

Other

Interest Expense

Interest expense increased $2.4 million, or 2.6%, to $95.0 million in 2016 compared to $92.6 million in 2015. This increase is due primarily to an increase of $8.6 million due to higher borrowings, partially offset by a decrease of $6.2 million due to a lower overall weighted average borrowing rate.

Gross interest costs were $113.0 million and $110.7 million in 2016 and 2015, respectively. Capitalized interest was $18.0 million and $18.1 million in 2016 and 2015, respectively.

Early Extinguishment of Debt

The $19.1 million early extinguishment of debt in 2015 relates to the make-whole premium paid as part of the early redemption of our 6.20% senior notes in the second quarter of 2015, partially offset by the related net write-off of unamortized premium and debt fees.

Gain on sale of Real Estate

The $32.5 million gain on sale of real estate and change in control of interests is primarily the result of our obtaining control of six properties when we acquired Clarion’s 70% interest in the partnership that owned those properties (see discussion in Note 3 to the consolidated financial statements). The properties were previously accounted for under the equity method of accounting. We consolidated these assets effective January 13, 2016, and consequently recognized a gain of $25.7 million upon obtaining the controlling interest. 2016 also included a $1.8 million gain related to the May 2016 sale of a building in Coconut Grove, Florida by an unconsolidated joint venture (our share of the gain, net of noncontrolling interests, was $0.5 million) and a $4.9 million gain due to the reversal of the warranty reserve for condominium units at Santana Row, as the statutorily mandated latent construction defect period ended in third quarter 2016 and no further claims were filed.

The $28.3 million gain on sale of real estate for 2015 is due to the sale of our Houston Street property in April 2015 and the sale of our Courtyard Shops property in November 2015.

Liquidity and Capital Resources

Due to the nature of our business and strategy, we typically generate significant amounts of cash from operations. The cash generated from operations is primarily paid to our common and preferred shareholders in the form of dividends. As a REIT, we must generally make annual distributions to shareholders of at least 90% of our taxable income.

Our short-term liquidity requirements consist primarily of normal recurring operating expenses, obligations under our capital and operating leases, regular debt service requirements (including debt service relating to additional or replacement debt, as well as scheduled debt maturities), recurring expenditures, non-recurring expenditures (such as tenant improvements and redevelopments) and dividends to common and preferred shareholders. Our long-term capital requirements consist primarily of maturities under our long-term debt agreements, development and redevelopment costs and potential acquisitions.

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We intend to operate with and maintain a conservative capital structure that will allow us to maintain strong debt service coverage and fixed-charge coverage ratios as part of our commitment to investment-grade debt ratings. In the short and long term, we may seek to obtain funds through the issuance of additional equity, unsecured and/or secured debt financings, joint venture relationships relating to existing properties or new acquisitions, and property dispositions that are consistent with this conservative structure.

At December 31, 2017, we had cash and cash equivalents of $15.2 million and $41.0 million outstanding on our $800.0 million unsecured revolving credit facility which matures on April 20, 2020, subject to two six-month extensions at our option. In addition, we have an option (subject to bank approval) to increase the credit facility through an accordion feature to $1.5 billion. Our $275.0 million unsecured term loan that matures on November 21, 2018, subject to a one-year extension at our option, also has an option (subject to bank approval) to increase the term loan through an accordion feature to $350.0 million. As of December 31, 2017, we had the capacity to issue up to $261.3 million in common shares under our ATM equity program.

For 2017, the maximum amount of borrowings outstanding under our revolving credit facility was $344.0 million, the weighted average amount of borrowings outstanding was $147.5 million and the weighted average interest rate, before amortization of debt fees, was 1.9%. During 2017, we raised $716.9 million of net proceeds through three separate public offerings for a total of $575.0 million of senior unsecured notes with a weighted average coupon of 3.47% and term of 13 years and $150.0 million of 5.0% preferred shares in addition to $108.3 million raised under our ATM equity program. During 2018, we have only $10.5 million of debt maturing, in addition to our unsecured term loan mentioned above. We currently believe that cash flows from operations, cash on hand, our ATM equity program, our revolving credit facility and our general ability to access the capital markets will be sufficient to finance our operations and fund our debt service requirements and capital expenditures.

Our overall capital requirements during 2018 will depend upon acquisition opportunities, the level of improvements and redevelopments on existing properties and the timing and cost of development of Assembly Row, Pike & Rose and future phases of Santana Row. While the amount of future expenditures will depend on numerous factors, we expect to see a reduced level of capital investments in our properties under development and redevelopment compared to 2017, which is the result of completing construction on Phase II at both Assembly Row and Pike & Rose in 2018. With respect to other capital investments related to our existing properties, we expect to incur levels consistent with prior years. Our capital investments will be funded on a short-term basis with cash flow from operations, cash on hand and/or our revolving credit facility, and on a long-term basis, with long-term debt or equity including shares issued under our ATM equity program. If necessary, we may access the debt or equity capital markets to finance significant acquisitions. Given our past ability to access the capital markets, we expect debt or equity to be available to us. Although there is no intent at this time, if market conditions deteriorate, we may also delay the timing of certain development and redevelopment projects as well as limit future acquisitions, reduce our operating expenditures, or re-evaluate our dividend policy.

In addition to conditions in the capital markets which could affect our ability to access those markets, the following factors could affect our ability to meet our liquidity requirements:

• restrictions in our debt instruments or preferred shares may limit us from incurring debt or issuing equity at all, or on acceptable terms under then-prevailing market conditions; and

• we may be unable to service additional or replacement debt due to increases in interest rates or a decline in our operating performance.

Summary of Cash Flows

	Year Ended December 31,
	2017			2016
	(In thousands)
Cash provided by operating activities	$	459,177		$	423,705
Cash used in investing activities	(836,802		)	(590,221		)
Cash provided by financing activities	369,445			168,838
(Decrease) increase in cash and cash equivalents	(8,180		)	2,322
Cash and cash equivalents, beginning of year	23,368			21,046
Cash and cash equivalents, end of year	$	15,188		$	23,368

Net cash provided by operating activities increased $35.5 million to $459.2 million during 2017 from $423.7 million during 2016. The increase was primarily attributable to higher net income before certain non-cash items, and the timing of payments related to operating costs.

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Net cash used in investing activities increased $246.6 million to $836.8 million during 2017 from $590.2 million during 2016. The increase was primarily attributable to:

• a $293.7 million increase in acquisitions of real estate, primarily due to the August 2017 acquisition of six shopping centers in Los Angeles County, California,

• a $80.0 million net increase in capital expenditures and leasing costs as we continue to invest in Pike & Rose, Assembly Row, Santana Row, and other current redevelopments, and

• a $13.3 million decrease in cash flows from mortgage notes receivable primarily due to the payoff of an $11.7 million note receivable in September 2016,

partially offset by

• $136.1 million in net proceeds primarily from the sale of our property at 150 Post Street, three land parcels at Assembly Row, North Lake Commons, and a land parcel at our Bethesda Row property in 2017.

Net cash provided by financing activities increased $200.6 million to $369.4 million during 2017 from $168.8 million during 2016. The increase was primarily attributable to:

• $572.1 million net proceeds from the June 2017 issuance of $300.0 million and the December 2017 issuance of $175.0 million of 3.25% senior unsecured notes that mature on July 15, 2027 and $100.0 million of 4.50% notes that mature on December 1, 2044, compared to $241.8 million in net proceeds from the issuance of 3.625% senior notes in July 2016,

• $145.0 million in net proceeds from the September 29, 2017 issuance of 6,000 Series C Preferred Shares,

• $41.0 million of borrowings on our revolving credit facility in 2017 as compared to $56.9 million of repayments in 2016,

• a $12.8 million increase in contributions from noncontrolling interests primarily due to contributions to fund the $50.0 million partial repayment of the Plaza El Segundo mortgage loan, and

• an $8.9 million decrease in distributions to and redemptions of noncontrolling interests primarily due to the 2016 acquisition of the 10% noncontrolling interest of a partnership which owns a project in Southern California,

partially offset by

• a $210.5 million decrease in net proceeds from the issuance of common shares primarily due to our March 2016 issuance of 1.0 million common shares at $149.43 per share in an underwritten public offering, and 1.2 million common shares under our ATM equity program at a weighted average price of $152.92 during 2016, compared to 0.8 million common shares under our ATM equity program at a weighted average price of $132.56 during 2017,

• the December 2017 redemption of $150.0 million of senior notes with a make-whole premium of $11.9 million, and

• a $15.3 million increase in dividends paid to shareholders due to an increase in the dividend rate and a higher number of shares outstanding.

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Contractual Commitments

The following table provides a summary of our fixed, noncancelable obligations as of December 31, 2017:

	Commitments Due by Period
	Total		Less Than 1 Year		1-3 Years		3-5 Years		After 5 Years
	(In thousands)
Fixed rate debt (principal and interest)(1)	$	4,632,932	$	407,626	$	305,997	$	838,746	$	3,080,563
Fixed and variable rate debt - our share of unconsolidated real estate partnerships (principal and interest)	30,825		752		20,610		9,463		—
Capital lease obligations (principal and interest)	171,435		5,800		11,600		11,610		142,425
Variable rate debt (principal only)(2)	41,000		—		41,000		—		—
Operating leases	211,831		4,583		9,486		9,630		188,132
Real estate commitments	67,500		—		—		—		67,500
Development, redevelopment, and capital improvement obligations	326,631		263,610		63,021		—		—
Contractual operating obligations	58,490		28,013		24,997		5,480		—
Total contractual obligations	$	5,540,644	$	710,384	$	476,711	$	874,929	$	3,478,620

 _____________________

(1) Fixed rate debt includes our $275.0 million term loan as the rate is effectively fixed by two interest rate swap agreements.

(2) Variable rate debt includes our revolving credit facility, which currently has $41.0 million outstanding and bears interest at LIBOR plus 0.825%.

In addition to the amounts set forth in the table above and other liquidity requirements previously discussed, the following potential commitments exist:

(a) Under the terms of the Congressional Plaza partnership agreement, a minority partner has the right to require us and the other minority partner to purchase its 26.63% interest in Congressional Plaza at the interest’s then-current fair market value. If the other minority partner defaults in their obligation, we must purchase the full interest. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated liability upon exercise of the put option would range from approximately $81 million to $85 million.

(b) Under the terms of various other partnership agreements, the partners have the right to exchange their operating partnership units for cash or the same number of our common shares, at our option. As of December 31, 2017, a total of 787,962 operating partnership units are outstanding.

(c) The other member in Montrose Crossing has the right to require us to purchase all of its 10.1% interest in Montrose Crossing at the interest's then-current fair market value. If the other member fails to exercise its put option, we have the right to purchase its interest on or after December 27, 2021 at fair market value. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $12 million to $13 million.

(d) Two of the members in Plaza El Segundo have the right to require us to purchase their 10.0% and 11.8% ownership interests at the interests' then-current fair market value. If the members fail to exercise their put options, we have the right to purchase each of their interests on or after December 30, 2026 at fair market value. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $26 million to $29 million.

(e) Effective January 1, 2017, the other member in The Grove at Shrewsbury and Brook 35 has the right to require us to purchase all of its approximately 4.8% interest in The Grove at Shrewsbury and approximately 8.8% interest in Brook 35 at the interests' then-current fair market value. Based on management's current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from $9 million to $10 million.

(f) At December 31, 2017, we had letters of credit outstanding of approximately $1.3 million.

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Off-Balance Sheet Arrangements

Other than the items disclosed in the Contractual Commitments Table, we have no off-balance sheet arrangements as of December 31, 2017 that are reasonably likely to have a current or future material effect on our financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources.

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Debt Financing Arrangements

The following is a summary of our total debt outstanding as of December 31, 2017:

Description of Debt	Original Debt Issued	Principal Balance as of December 31, 2017			Stated Interest Rate as of December 31, 2017		Maturity Date
	(Dollars in thousands)
Mortgages payable
Secured fixed rate
The Grove at Shrewsbury (West)	Acquired	$	10,545		6.38	%	March 1, 2018
Rollingwood Apartments	24,050	20,820			5.54	%	May 1, 2019
The Shops at Sunset Place	Acquired	66,603			5.62	%	September 1, 2020
29th Place	Acquired	4,341			5.91	%	January 31, 2021
Sylmar Towne Center	Acquired	17,362			5.39	%	June 6, 2021
Plaza Del Sol	Acquired	8,579			5.23	%	December 1, 2021
THE AVENUE at White Marsh	52,705	52,705			3.35	%	January 1, 2022
Montrose Crossing	80,000	71,054			4.20	%	January 10, 2022
Azalea	Acquired	40,000			3.73	%	November 1, 2025
Bell Gardens	Acquired	13,184			4.06	%	August 1, 2026
Plaza El Segundo	125,000	125,000			3.83	%	June 5, 2027
The Grove at Shrewsbury (East)	43,600	43,600			3.77	%	September 1, 2027
Brook 35	11,500	11,500			4.65	%	July 1, 2029
Chelsea	Acquired	6,268			5.36	%	January 15, 2031
Subtotal		491,561
Net unamortized premium and debt issuance costs		(56		)
Total mortgages payable		491,505
Notes payable
Unsecured fixed rate
Term Loan (1)	275,000	275,000			LIBOR + 0.90%		November 21, 2018
Various	7,239	4,819			11.31	%	Various through 2028
Unsecured variable rate
Revolving credit facility (2)	800,000	41,000			LIBOR + 0.825%		April 20, 2020
Subtotal		320,819
Net unamortized debt issuance costs		(554		)
Total notes payable		320,265
Senior notes and debentures
Unsecured fixed rate
2.55% notes	250,000	250,000			2.55	%	January 15, 2021
3.00% notes	250,000	250,000			3.00	%	August 1, 2022
2.75% notes	275,000	275,000			2.75	%	June 1, 2023
3.95% notes	300,000	300,000			3.95	%	January 15, 2024
7.48% debentures	50,000	29,200			7.48	%	August 15, 2026
3.25% notes	475,000	475,000			3.25	%	July 15, 2027
6.82% medium term notes	40,000	40,000			6.82	%	August 1, 2027
4.50% notes	550,000	550,000			4.50	%	December 1, 2044
3.625% notes	250,000	250,000			3.625	%	August 1, 2046
Subtotal		2,419,200
Net unamortized discount and debt issuance costs		(17,760		)
Total senior notes and debentures		2,401,440
Capital lease obligations
Various		71,556			Various		Various through 2106
Total debt and capital lease obligations		$	3,284,766

_____________________

1) We entered into two interest rate swap agreements that fix the LIBOR portion of the interest rate on the term loan at 1.72%. The spread on the term loan is 90 basis points resulting in a fixed rate of 2.62%.

2) The maximum amount drawn under our revolving credit facility during 2017 was $344.0 million and the weighted average effective interest rate on borrowings under our revolving credit facility, before amortization of debt fees, was 1.9%.

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Our revolving credit facility, term loan and other debt agreements include financial and other covenants that may limit our operating activities in the future. As of December 31, 2017, we were in compliance with all of the financial and other covenants related to our revolving credit facility, term loan, and senior notes. Additionally, as of December 31, 2017, we were in compliance with all of the financial and other covenants that could trigger loan default on our mortgage loans. If we were to breach any of these financial and other covenants and did not cure the breach within an applicable cure period, our lenders could require us to repay the debt immediately and, if the debt is secured, could immediately begin proceedings to take possession of the property securing the loan. Many of our debt arrangements, including our public notes, term loan and our revolving credit facility, are cross-defaulted, which means that the lenders under those debt arrangements can put us in default and require immediate repayment of their debt if we breach and fail to cure a default under certain of our other debt obligations. As a result, any default under our debt covenants could have an adverse effect on our financial condition, our results of operations, our ability to meet our obligations and the market value of our shares. Our organizational documents do not limit the level or amount of debt that we may incur.

The following is a summary of our scheduled principal repayments as of December 31, 2017:

	Unsecured			Secured		Capital Lease		Total
	(In thousands)
2018	$	275,506	(1)	$	16,228	$	41	$	291,775
2019	563			25,820		42		26,425
2020	41,624		(2)	65,539		46		107,209
2021	250,694			30,541		51		281,286
2022	250,771			117,018		56		367,845
Thereafter	1,920,861			236,415		71,320		2,228,596
	$	2,740,019		$	491,561	$	71,556	$	3,303,136	(3)

_____________________

1) Our $275.0 million unsecured term loan matures on November 21, 2018, subject to a one-year extension at our option.

2) Our $800.0 million revolving credit facility matures on April 20, 2020, subject to two six-month extensions at our option. As of December 31, 2017, there was $41.0 million outstanding under this credit facility.

3) The total debt maturities differs from the total reported on the consolidated balance sheet due to the unamortized net premium/(discount) and debt issuance costs on mortgage loans, notes payable, and senior notes as of December 31, 2017.

Interest Rate Hedging

We may use derivative instruments to manage exposure to variable interest rate risk. We generally enter into interest rate swaps to manage our exposure to variable interest rate risk and treasury locks to manage the risk of interest rates rising prior to the issuance of debt. We enter into derivative instruments that qualify as cash flow hedges and do not enter into derivative instruments for speculative purposes.

The interest rate swaps associated with our cash flow hedges are recorded at fair value on a recurring basis. We assess effectiveness of our cash flow hedges both at inception and on an ongoing basis. The effective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recorded in other comprehensive income (loss) which is included in accumulated other comprehensive income (loss) on our consolidated balance sheet and our consolidated statement of shareholders' equity. Our cash flow hedges become ineffective if critical terms of the hedging instrument and the debt instrument do not perfectly match such as notional amounts, settlement dates, reset dates, calculation period and LIBOR rate. In addition, we evaluate the default risk of the counterparty by monitoring the credit worthiness of the counterparty which includes reviewing debt ratings and financial performance. However, management does not anticipate non-performance by the counterparty. If a cash flow hedge is deemed ineffective, the ineffective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recognized in earnings in the period affected.

As of December 31, 2017, we are party to two interest rate swap agreements that effectively fixed the rate on the term loan at 2.62%. Both swaps were designated and qualified as cash flow hedges and were recorded at fair value. Hedge ineffectiveness has not impacted earnings in 2017, 2016 and 2015, and we do not anticipate it will have a significant effect in the future.

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REIT Qualification

We intend to maintain our qualification as a REIT under Section 856(c) of the Code. As a REIT, we generally will not be subject to corporate federal income taxes on income we distribute to our shareholders as long as we satisfy certain technical requirements of the Code, including the requirement to distribute at least 90% of our taxable income to our shareholders.

Funds From Operations

Funds from operations (“FFO”) is a supplemental non-GAAP financial measure of real estate companies’ operating performance. The National Association of Real Estate Investment Trusts (“NAREIT”) defines FFO as follows: net income, computed in accordance with U.S. GAAP, plus real estate related depreciation and amortization and excluding extraordinary items and gains and losses on the sale of real estate, and impairment write-downs of depreciable real estate. We compute FFO in accordance with the NAREIT definition, and we have historically reported our FFO available for common shareholders in addition to our net income and net cash provided by operating activities. It should be noted that FFO:

• does not represent cash flows from operating activities in accordance with GAAP (which, unlike FFO, generally reflects all cash effects of transactions and other events in the determination of net income);

• should not be considered an alternative to net income as an indication of our performance; and

• is not necessarily indicative of cash flow as a measure of liquidity or ability to fund cash needs, including the payment of dividends.

We consider FFO available for common shareholders a meaningful, additional measure of operating performance primarily because it excludes the assumption that the value of the real estate assets diminishes predictably over time, as implied by the historical cost convention of GAAP and the recording of depreciation. We use FFO primarily as one of several means of assessing our operating performance in comparison with other REITs. Comparison of our presentation of FFO to similarly titled measures for other REITs may not necessarily be meaningful due to possible differences in the application of the NAREIT definition used by such REITs.

An increase or decrease in FFO available for common shareholders does not necessarily result in an increase or decrease in aggregate distributions because our Board of Trustees is not required to increase distributions on a quarterly basis unless necessary for us to maintain REIT status. However, we must distribute at least 90% of our taxable income to remain qualified as a REIT. Therefore, a significant increase in FFO will generally require an increase in distributions to shareholders although not necessarily on a proportionate basis.

The reconciliation of net income to FFO available for common shareholders is as follows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands, except per share data)
Net income	$	297,870		$	258,883		$	218,424
Net income attributable to noncontrolling interests	(7,956		)	(8,973		)	(8,205		)
Gain on sale of real estate and change in control of interests, net	(77,632		)	(31,133		)	(28,330		)
Depreciation and amortization of real estate assets	188,719			169,198			154,232
Amortization of initial direct costs of leases	19,124			16,875			15,026
Funds from operations	420,125			404,850			351,147
Dividends on preferred shares (1)	(1,917		)	(541		)	(541		)
Income attributable to operating partnership units	3,143			3,145			3,398
Income attributable to unvested shares	(1,374		)	(1,095		)	(1,147		)
Funds from operations available for common shareholders (2)	$	419,977		$	406,359		$	352,857
Weighted average number of common shares, diluted (1)	73,122			71,869			69,920
Funds from operations available for common shareholders, per diluted share (2)	$	5.74		$	5.65		$	5.05

_____________________

(1) For the year ended December 31, 2017, dividends on our Series 1 preferred stock are not deducted in the calculation of FFO available to common shareholders, as the related shares are dilutive and included in "weighted average common shares, diluted." The weighted average common shares used to compute FFO per diluted common share also includes

50

operating partnership units that were excluded from the computation of diluted EPS. Conversion of these operating partnership units is dilutive in the computation of FFO per diluted common share but is anti-dilutive for the computation of diluted EPS for the periods presented.

(2) If the $12.3 million and the $19.1 million early extinguishment of debt charge incurred in 2017 and 2015, respectively, was excluded, our FFO available for common shareholders for 2017 and 2015 would have been $432.2 million and $371.9 million, respectively, and FFO available for common shareholders, per diluted share would have been $5.91 and $5.32, respectively.

ITEM 7A.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our use of financial instruments, such as debt instruments, subjects us to market risk which may affect our future earnings and cash flows, as well as the fair value of our assets. Market risk generally refers to the risk of loss from changes in interest rates and market prices. We manage our market risk by attempting to match anticipated inflow of cash from our operating, investing and financing activities with anticipated outflow of cash to fund debt payments, dividends to common and preferred shareholders, investments, capital expenditures and other cash requirements.

We may enter into certain types of derivative financial instruments to further reduce interest rate risk. We use interest rate protection and swap agreements, for example, to convert some of our variable rate debt to a fixed-rate basis or to hedge anticipated financing transactions. We use derivatives for hedging purposes rather than speculation and do not enter into financial instruments for trading purposes. As of December 31, 2017, we were party to two interest rate swap agreements that effectively fix the rate on the $275.0 million term loan at 2.62%.

Interest Rate Risk

The following discusses the effect of hypothetical changes in market rates of interest on interest expense for our variable rate debt and on the fair value of our total outstanding debt, including our fixed-rate debt. Interest rate risk amounts were determined by considering the impact of hypothetical interest rates on our debt. Quoted market prices were used to estimate the fair value of our marketable senior notes and debentures and discounted cash flow analysis is generally used to estimate the fair value of our mortgages and notes payable. Considerable judgment is necessary to estimate the fair value of financial instruments. This analysis does not purport to take into account all of the factors that may affect our debt, such as the effect that a changing interest rate environment could have on the overall level of economic activity or the action that our management might take to reduce our exposure to the change. This analysis assumes no change in our financial structure.

Fixed Interest Rate Debt

The majority of our outstanding debt obligations (maturing at various times through 2046 or, with respect to capital lease obligations through 2106) have fixed interest rates which limit the risk of fluctuating interest rates. However, interest rate fluctuations may affect the fair value of our fixed rate debt instruments. At December 31, 2017, we had $3.2 billion of fixed-rate debt outstanding, including our $275.0 million term loan as the rate is effectively fixed by two interest rate swap agreements; we also had capital lease obligations of $71.6 million. If market interest rates used to calculate the fair value on our fixed-rate debt instruments at December 31, 2017 had been 1.0% higher, the fair value of those debt instruments on that date would have decreased by approximately $239.4 million. If market interest rates used to calculate the fair value on our fixed-rate debt instruments at December 31, 2017 had been 1.0% lower, the fair value of those debt instruments on that date would have increased by approximately $276.4 million.

Variable Interest Rate Debt

Generally, we believe that our primary interest rate risk is due to fluctuations in interest rates on our variable rate debt. At December 31, 2017, we had $41.0 million of variable rate debt outstanding. Based upon this amount of variable rate debt and the specific terms, if market interest rates increased 1.0%, our annual interest expense woud increase by approximately $0.4 million with a corresponding decrease in our net income and cash flows for the year. Conversely, if market rates decreased 1.0%, our annual interest expense would decrease by approximately $0.4 million with a corresponding increase in our net income and cash flows for the year.

ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Our consolidated financial statements and supplementary data are included as a separate section of this Annual Report on Form 10-K commencing on page F-1 and are incorporated herein by reference.

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ITEM 9.    CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A.    CONTROLS AND PROCEDURES

Management's Evaluation of Disclosure Controls and Procedures

The Trust maintains disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act")) that are designed to provide reasonable assurance that information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms, and that such information is accumulated and communicated to the Trust’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosures. Because of inherent limitations, disclosure controls and procedures, no matter how well designed and operated, can provide only reasonable, and not absolute, assurance that the objectives of disclosure controls and procedures are met.

Our management, with the participation of the Trust’s Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of the Trust’s disclosure controls and procedures as of December 31, 2017. Based on that evaluation, the Trust’s Chief Executive Officer and Chief Financial Officer concluded that, as of December 31, 2017, the Trust’s disclosure controls and procedures were effective at a reasonable assurance level.

Internal Control over Financial Reporting

The Trust’s management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) and 15d-15(f) under the Exchange Act as a process designed by, or under the supervision of, the Trust’s principal executive and principal financial officers and effected by our Board of Trustees, management and other personnel, 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 in the United States of America (GAAP) and includes those policies and procedures that:

• pertain to the maintenance of records that in reasonable detail accurately and fairly reflect our transactions and disposition of our assets;

• provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that our receipts and expenditures are being made only in accordance with authorization of management and our Trustees; and

• provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of any of our assets in circumstances that could have a material adverse effect on our financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

We assessed the effectiveness of the Trust’s internal control over financial reporting as of December 31, 2017. In making this assessment, we used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control-Integrated Framework (2013). Based on that assessment and criteria, management concluded that the Trust's internal control over financial reporting was effective as of December 31, 2017.

Grant Thornton LLP, the independent registered public accounting firm that audited the Trust's consolidated financial statements included in this Annual Report on Form 10-K, has issued an attestation report on the Trust's internal control over financial reporting, which appears on page F-2 of this Annual Report on Form 10-K.

Changes in Internal Control Over Financial Reporting

There was no change in our internal control over financial reporting during our fourth fiscal quarter of 2017 that materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

ITEM 9B.    OTHER INFORMATION

Not applicable.

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PART III

Certain information required in Part III is omitted from this Report but is incorporated herein by reference from our Proxy Statement for the 2018 Annual Meeting of Shareholders (as amended or supplemented, the “Proxy Statement”).

ITEM 10.    TRUSTEES, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

The tables and narrative in the Proxy Statement identifying our Trustees and Board committees under the caption “Election of Trustees” and “Corporate Governance”, the sections of the Proxy Statement entitled “Executive Officers” and “Section 16(a) Beneficial Ownership Reporting Compliance” and other information included in the Proxy Statement required by this Item 10 are incorporated herein by reference.

We have adopted a Code of Ethics, which is applicable to our Chief Executive Officer and senior financial officers. The Code of Ethics is available in the Corporate Governance section of the Investors section of our website at www.federalrealty.com.

ITEM 11.    EXECUTIVE COMPENSATION

The sections of the Proxy Statement entitled “Summary Compensation Table,” “Compensation Committee Interlocks and Insider Participation,” “Compensation Committee Report,” “Trustee Compensation” and “Compensation Discussion and Analysis” and other information included in the Proxy Statement required by this Item 11 are incorporated herein by reference.

ITEM 12.    SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED SHAREHOLDER MATTERS

The sections of the Proxy Statement entitled “Share Ownership” and “Equity Compensation Plan Information” and other information included in the Proxy Statement required by this Item 12 are incorporated herein by reference.

ITEM 13.    CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND TRUSTEE INDEPENDENCE

The sections of the Proxy Statement entitled “Certain Relationship and Related Transactions” and “Independence of Trustees” and other information included in the Proxy Statement required by this Item 13 are incorporated herein by reference.

ITEM 14.    PRINCIPAL ACCOUNTANT FEES AND SERVICES

The sections of the Proxy Statement entitled “Ratification of Independent Registered Public Accounting Firm” and “Relationship with Independent Registered Public Accounting Firm” and other information included in the Proxy Statement required by this Item 14 are incorporated herein by reference.

PART IV

ITEM 15.    EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)(1) Financial Statements

Our consolidated financial statements and notes thereto, together with Reports of Independent Registered Public Accounting Firm are included as a separate section of this Annual Report on Form 10-K commencing on page F-1.

(2) Financial Statement Schedules

Our financial statement schedules are included in a separate section of this Annual Report on Form 10-K commencing on page F-31.

(3) Exhibits

(b) The following documents are filed as exhibits are filed as part of, or incorporated by reference info, this report:

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EXHIBIT INDEX

Exhibit No.	Description
3.1	Declaration of Trust of Federal Realty Investment Trust dated May 5, 1999 as amended by the Articles of Amendment of Declaration of Trust of Federal Realty Investment Trust dated May 6, 2004, as corrected by the Certificate of Correction of Articles of Amendment of Declaration of Trust of Federal Realty Investment Trust dated June 17, 2004, as amended by the Articles of Amendment of Declaration of Trust of Federal Realty Investment Trust dated May 6, 2009 (previously filed as Exhibit 3.1 to the Trust’s Registration Statement on Form S-3 (File No. 333-160009) and incorporated herein by reference)
3.2	Amended and Restated Bylaws of Federal Realty Investment Trust dated February 12, 2003, as amended October 29, 2003, May 5, 2004, February 17, 2006, May 6, 2009, and November 2, 2016 (previously files a Exhibit 3.2 to the Trust's Annual Report on Form 10-K for the year ended December 31, 2016 (File No. 1-07533) and incorporated herein by reference)
4.1	Specimen Common Share certificate (previously filed as Exhibit 4(i) to the Trust’s Annual Report on Form 10-K for the year ended December 31, 1999 (File No. 1-07533) and incorporated herein by reference)
4.2	Articles Supplementary relating to the 5.417% Series 1 Cumulative Convertible Preferred Shares of Beneficial Interest (previously filed as Exhibit 4.1 to the Trust’s Current Report on Form 8-K filed on March 13, 2007, (File No. 1-07533) and incorporated herein by reference)
4.3	** Indenture dated December 1, 1993 related to the Trust’s 7.48% Debentures due August 15, 2026; and 6.82% Medium Term Notes due August 1, 2027; (previously filed as Exhibit 4(a) to the Trust’s Registration Statement on Form S-3 (File No. 33-51029), and amended on Form S-3 (File No. 33-63687), filed on December 13, 1993 and incorporated herein by reference)
4.4	** Indenture dated September 1, 1998 related to the Trust’s 5.90% Notes due 2020; 3.00% Notes due 2022; 2.75% Notes due 2023; 3.95% Notes due 2024; 4.50% Notes due 2044; 2.55% Notes due 2021; 3.625% Notes due 2046; 3.25% Notes due 2027 (previously filed as Exhibit 4(a) to the Trust’s Registration Statement on Form S-3 (File No. 333-63619) filed on September 17, 1998 and incorporated herein by reference)
4.5	Articles Supplementary relating to the 5.000% Series C Cumulative Redeemable Preferred Shares of Beneficial Interest (previously filed as Exhibit 3.2 to the Trust's Registration Statement on Form 8-A (File No. 1-07533), filed on September 29, 2017 and incorporated herein by reference)
4.6	Deposit Agreement, dated as of September 29, 2017, by and among Federal Realty Investment Trust, American Stock Transfer and Trust Company, LLC, as Depository, and all holders from time to time of Receipt (previously filed as Exhibit 4.1 to the Trust's Registration Statement on Form 8-A (File No. 1-07533), filed on September 29, 2017 and incorporated herein by reference)
4.7	Specimen certificate relating to the 5.000% Series C Cumulative Redeemable Preferred Shares of Beneficial Interest (previously filed as Exhibit 4.3 to the Trust's Registration Statement on Form 8-A (File No. 1-07533), filed on September 29, 2017 and incorporated herein by reference)
10.1	* Severance Agreement between the Trust and Donald C. Wood dated February 22, 1999 (previously filed as a portion of Exhibit 10 to the Trust's Quarterly Report on Form 10-Q for the quarter ended March 31, 1999 (File No. 1-07533) (the "1999 1Q Form 10-Q") and incorporated herein by reference)
10.2	* Executive Agreement between Federal Realty Investment Trust and Donald C. Wood dated February 22, 1999 (previously filed as a portion of Exhibit 10 to the 1999 1Q Form 10-Q and incorporated herein by reference)
10.3	* Amendment to Executive Agreement between Federal Realty Investment Trust and Donald C. Wood dated February 16, 2005 (previously filed as Exhibit 10.12 to the Trust’s Annual Report on Form 10-K for the year ended December 31, 2004 (File No. 1-07533) (the “2004 Form 10-K”) and incorporated herein by reference)
10.4	2001 Long-Term Incentive Plan (previously filed as Exhibit 99.1 to the Trust’s S-8 Registration Number 333-60364 filed on May 7, 2001 and incorporated herein by reference)
10.5	* Health Coverage Continuation Agreement between Federal Realty Investment Trust and Donald C. Wood dated February 16, 2005 (previously filed as Exhibit 10.26 to the 2004 Form 10-K and incorporated herein by reference)
10.6	* Severance Agreement between the Trust and Dawn M. Becker dated April 19, 2000 (previously filed as Exhibit 10.26 to the Trust’s 2005 2Q Form 10-Q and incorporated herein by reference)
10.7	* Amendment to Severance Agreement between the Trust and Dawn M. Becker dated February 16, 2005 (previously filed as Exhibit 10.27 to the 2004 Form 10-K and incorporated herein by reference)

54

Exhibit No.	Description
10.8	Form of Restricted Share Award Agreement for awards made under the Trust’s 2003 Long-Term Incentive Award Program for shares issued out of 2001 Long-Term Incentive Plan (previously filed as Exhibit 10.28 to the 2004 Form 10-K and incorporated herein by reference)
10.9	Form of Restricted Share Award Agreement for long term vesting and retention awards for shares issued out of the 2010 Plan (previously filed as Exhibit 10.35 to the Trust's Annual Report on Form 10-K for the year ended December 31, 2010 (File No. 1-07533) (the "2010 Form 10-K") and incorporated herein by reference)
10.10	Form of Option Award Agreement for awards made under the Trust’s 2003 Long-Term Incentive Award Program for shares issued out of the 2001 Long-Term Incentive Plan (previously filed as Exhibit 10.32 to the 2005 Form 10-K and incorporated herein by reference)
10.11	Amended and Restated 2001 Long-Term Incentive Plan (previously filed as Exhibit 10.34 to the Trust’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2007 (File No. 1-07533) and incorporated herein by reference)
10.12	* Amendment to Severance Agreement between the Trust and Donald C. Wood dated January 1, 2009 (previously filed as Exhibit 10.26 to the Trust’s Annual Report on Form 10-K for the year ended December 31, 2008 (File No. 1-07533) (“the 2008 Form 10-K”) and incorporated herein by reference)
10.13	* Second Amendment to Executive Agreement between the Trust and Donald C. Wood dated January 1, 2009 (previously filed as Exhibit 10.27 to the Trust’s 2008 Form 10-K and incorporated herein by reference)
10.14	* Amendment to Health Coverage Continuation Agreement between the Trust and Donald C. Wood dated January 1, 2009 (previously filed as Exhibit 10.28 to the Trust’s 2008 Form 10-K and incorporated herein by reference)
10.15	* Second Amendment to Severance Agreement between the Trust and Dawn M. Becker dated January 1, 2009 (previously filed as Exhibit 10.30 to the Trust’s 2008 Form 10-K and incorporated herein by reference)
10.16	2010 Performance Incentive Plan (previously filed as Appendix A to the Trust’s Definitive Proxy Statement for the 2010 Annual Meeting of Shareholders (File No. 01-07533) and incorporated herein by reference)
10.17	Amendment to 2010 Performance Incentive Plan (“the 2010 Plan”) (previously filed as Appendix A to the Trust’s Proxy Statement for the 2010 Annual Meeting of Shareholders (File No. 01-07533) and incorporated herein by reference)
10.18	* Restricted Share Award Agreement between the Trust and Donald C. Wood dated October 12, 2010 (previously filed as Exhibit 10.36 to the Trust’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2010 (File No. 01-07533) and incorporated herein by reference)
10.19	Form of Restricted Share Award Agreement for awards made under the Trust’s Long-Term Incentive Award Program and the Trust’s Annual Incentive Bonus Program and basic awards with annual vesting for shares issued out of the 2010 Plan (previously filed as Exhibit 10.34 to the Trust’s 2010 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.20	Form of Option Award Agreement for awards made under the Trust’s Long-Term Incentive Award Program for shares issued out of the 2010 Plan (previously filed as Exhibit 10.38 to the Trust’s 2010 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.21	Form of Option Award Agreement for front loaded awards made under the Trust’s Long-Term Incentive Award Program for shares issued out of the 2010 Plan (previously filed as Exhibit 10.39 to the Trust’s 2010 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.22	Form of Option Award Agreement for basic options awarded out of the 2010 Plan (previously filed as Exhibit 10.40 to the Trust’s 2010 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.23	Form of Restricted Share Award Agreement, dated as of February 10, 2011, between the Trust and Dawn M. Becker (previously filed as Exhibit 10.41 to the Trust’s 2010 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.24	Credit Agreement dated as of July 7, 2011, by and among the Trust, as Borrower, the financial institutions party thereto and their permitted assignees under Section 12.6., as Lenders, Wells Fargo Bank, National Association, as Administrative Agent, PNC Bank, National Association, as Syndication Agent, Wells Fargo Securities, LLC, as a Lead Arranger and Book Manager, and PNC Capital Markets LLC, as a Lead Arranger and Book Manager (previously filed as Exhibit 10.1 to the Trust’s Current Report on Form 8-K (File No. 1-07533), filed on July 11, 2011 and incorporated herein by reference)

55

Exhibit No.	Description
10.25	Term Loan Agreement dated as of November 22, 2011, by and among the Trust, as Borrower, the financial institutions party thereto and their permitted assignees under Section 12.6., as Lenders, PNC Bank, National Association, as Administrative Agent, Capital One, N.A., Syndication Agent, PNC Capital Markets, LLC, as a Lead Arranger and Book Manager, and Capital One, N.A., as a Lead Arranger and Book Manager (previously filed as Exhibit 10.1 to the Trust's Current Report on Form 8-K (File No. 1-07533), filed on November 28, 2011 and incorporated herein by reference)
10.26	Revised Form of Restricted Share Award Agreement for front loaded awards made under the Trust’s Long-Term Incentive Award Program for shares issued out of the 2010 Plan (previously filed as Exhibit 10.35 to the Trust's Annual Report on Form 10-K for the year ended December 31, 2012 (File No. 1-07533) (the "2012 Form 10-K") and incorporated herein by reference)
10.27	Revised Form of Restricted Share Award Agreement for long-term vesting and retention awards made under the Trust’s Long-Term Incentive Award Program for shares issued out of the 2010 Plan (previously filed as Exhibit 10.36 to the Trust's 2012 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.28	Revised Form of Performance Share Award Agreement for shares awarded out of the 2010 Plan (previously filed as Exhibit 10.37 to the Trust's 2012 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.29	Revised Form of Restricted Share Award Agreement for awards made under the Trust’s Long-Term Incentive Award Program and the Trust’s Annual Incentive Bonus Program and basic awards with annual vesting for shares issued out of the 2010 Plan (previously filed as Exhibit 10.38 to the Trust's 2012 Form 10-K (File No. 1-07533) and incorporated herein by reference)
10.30	First Amendment to the Credit Agreement, dated as of April 22, 2013, by and among Federal Realty Investment Trust, each of the Lenders party thereto, and Wells Fargo Bank, National Association, as Administrative Agent (previously filed as Exhibit 10.1 to the Trust's Current Report on Form 8-K (File No. 1-07533), filed on April 26, 2013 and incorporated herein by reference)
10.31	First Amendment to the Term Loan Agreement, dated as of April 22, 2013, by and among Federal Realty Investment Trust, each of the Lenders party thereto, and PNC Bank, National Association, as Administrative Agent (previously filed as Exhibit 10.40 to the Trust's Quarterly Report on Form 10-Q for the quarter ended March 31, 2013 (File No. 1-07533) and incorporated herein by reference
10.32	Second Amendment to Term Loan Agreement, dated as of August 28, 2014, by and among Federal Realty Investment Trust, each of the Lenders party thereto, and PNC Bank, National Association, as Administrative Agent (previously filed as Exhibit 10.1 to the Trust's Current Report on Form 8-K (File No. 1-07533), filed on September 2, 2014 and incorporated herein by reference)
10.33	Second Amendment to Credit Agreement, dated as of April 20, 2016, by and among Federal Realty Investment Trust, each of the Lenders party thereto, and PNC Bank, National Association, as Administrative Agent (previously filed as Exhibit 10.1 to the Trust's Current Report on Form 8K (File No. 1-07533), filed on April 26, 2016 and incorporated herein by reference)
10.34	Third Amendment to Term Loan Agreement, dated as of April 20, 2016, by and among Federal Realty Investment Trust, each of the Lenders party thereto, and PNC Bank, National Association, as Administrative Agent (previously filed as Exhibit 10.1 to the Trust's Current Report on Form 8-K (File No. 1-07533), filed on April 26, 2016 and incorporated herein by reference)
10.35	Severance Agreement between the Trust and Daniel Guglielmone dated August 15, 2016 (previously filed as Exhibit 10.36 to the Trust's Quarterly Report on Form 10-Q for the quarter ended September 30, 2016 (File No. 1-07533 and incorporated herein by reference)
21.1	Subsidiaries of Federal Realty Investment Trust (filed herewith)
23.1	Consent of Grant Thornton LLP (filed herewith)
31.1	Rule 13a-14(a) Certification of Chief Executive Officer (filed herewith)
31.2	Rule 13a-14(a) Certification of Chief Financial Officer (filed herewith)
32.1	Section 1350 Certification of Chief Executive Officer (filed herewith)
32.2	Section 1350 Certification of Chief Financial Officer (filed herewith)
101	The following materials from Federal Realty Investment Trust’s Annual Report on Form 10-K for the year ended December 31, 2017, formatted in XBRL (Extensible Business Reporting Language): (1) the Consolidated Balance Sheets, (2) the Consolidated Statements of Comprehensive Income, (3) the Consolidated Statement of Shareholders’ Equity, (4) the Consolidated Statements of Cash Flows, and (5) Notes to Consolidated Financial Statements that have been detail tagged.

_____________________

56

* Management contract or compensatory plan required to be filed as an exhibit pursuant to Item 15(b) of Form 10-K.

** Pursuant to Regulation S-K Item 601(b)(4)(iii), the Trust by this filing agrees, upon request, to furnish to the Securities and Exchange Commission a copy of other instruments defining the rights of holders of long-term debt of the Trust.

ITEM 16.    FORM 10-K SUMMARY

Not applicable.

57

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized this February 13, 2018.

	Federal Realty Investment Trust
By:	/S/    DONALD C. WOOD
	Donald C. Wood President, Chief Executive Officer and Trustee

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of the Registrant and in the capacity and on the dates indicated. Each person whose signature appears below hereby constitutes and appoints each of Donald C. Wood and Dawn M. Becker as his or her attorney-in-fact and agent, with full power of substitution and resubstitution for him or her in any and all capacities, to sign any or all amendments to this Report and to file same, with exhibits thereto and other documents in connection therewith, granting unto such attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary in connection with such matters and hereby ratifying and confirming all that such attorney-in-fact and agent or his or her substitutes may do or cause to be done by virtue hereof.

Signature	Title	Date
/S/    DONALD C. WOOD	President, Chief Executive Officer and	February 13, 2018
Donald C. Wood	Trustee (Principal Executive Officer)
/S/    DANIEL GUGLIELMONE	Executive Vice President-Chief Financial	February 13, 2018
Daniel Guglielmone	Officer and Treasurer (Principal
	Financial and Accounting Officer)
/S/    JOSEPH S. VASSALLUZZO	Non-Executive Chairman	February 13, 2018
Joseph S. Vassalluzzo
/S/    JON E. BORTZ	Trustee	February 13, 2018
Jon E. Bortz
/S/    DAVID W. FAEDER	Trustee	February 13, 2018
David W. Faeder
/S/    ELIZABETH I.HOLLAND	Trustee	February 13, 2018
Elizabeth I. Holland
/S/    GAIL P. STEINEL	Trustee	February 13, 2018
Gail P. Steinel
/S/    WARREN M. THOMPSON	Trustee	February 13, 2018
Warren M. Thompson

58

Item 8 and Item 15(a)(1) and (2)

Index to Consolidated Financial Statements and Schedules

Consolidated Financial Statements	Page No.
Report of Independent Registered Public Accounting Firm	F-2
Report of Independent Registered Public Accounting Firm	F-3
Consolidated Balance Sheets	F-4
Consolidated Statements of Comprehensive Income	F-5
Consolidated Statement of Shareholders’ Equity	F-6
Consolidated Statements of Cash Flows	F-7
Notes to Consolidated Financial Statements	F-8
Financial Statement Schedules
Schedule III—Summary of Real Estate and Accumulated Depreciation	F-31
Schedule IV—Mortgage Loans on Real Estate	F-39

All other schedules have been omitted either because the information is not applicable, not material, or is disclosed in our consolidated financial statements and related notes.

F-1

Report of Independent Registered Public Accounting Firm

Trustees and Shareholders

Federal Realty Investment Trust

Opinion on internal control over financial reporting

We have audited the internal control over financial reporting of Federal Realty Investment Trust (a Maryland real estate investment trust) and Subsidiaries (collectively, the "Trust") as of December 31, 2017, based on criteria established in the 2013 Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission ("COSO"). In our opinion, the Trust maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017, based on criteria established in the 2013 Internal Control-Integrated Framework issued by COSO.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the consolidated financial statements of the Trust as of and for the year ended December 31, 2017, and our report dated February 13, 2018 expressed an unqualified opinion on those financial statements.

Basis for opinion

The Trust’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management's Evaluation of Disclosure Controls and Procedures. Our responsibility is to express an opinion on the Trust’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Trust in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and limitations of internal control over financial reporting

A company’s internal control over financial reporting is a process designed 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. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ GRANT THORNTON LLP

New York, New York

February 13, 2018

F-2

Report of Independent Registered Public Accounting Firm

Trustees and Shareholders

Federal Realty Investment Trust

Opinion on the financial statements

We have audited the accompanying consolidated balance sheets of Federal Realty Investment Trust (a Maryland real estate investment trust) and Subsidiaries (collectively, the "Trust") as of December 31, 2017 and 2016, and the related consolidated statements of comprehensive income, changes in shareholders’ equity, and cash flows for each of the three years in the period ended December 31, 2017, and the related notes and schedules (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Trust as of December 31, 2017 and 2016, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017, in conformity with accounting principles generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the Trust’s internal control over financial reporting as of December 31, 2017, based on criteria established in the 2013 Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”), and our report dated February 13, 2018 expressed an unqualified opinion on those financial statements.

Basis for opinion

These financial statements are the responsibility of the Trust’s management. Our responsibility is to express an opinion on the Trust’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Trust in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ GRANT THORNTON LLP

We have served as the Trust’s auditor since 2002.

New York, New York

February 13, 2018

F-3

Federal Realty Investment Trust

Consolidated Balance Sheets

	December 31,
	2017			2016
	(In thousands, except share and per share data)
ASSETS
Real estate, at cost
Operating (including $1,639,486 and $1,211,605 of consolidated variable interest entities, respectively)	$	6,950,188		$	6,125,957
Construction-in-progress (including $43,393 and $15,313 of consolidated variable interest entities, respectively)	684,873			599,260
Assets held for sale	—			33,856
	7,635,061			6,759,073
Less accumulated depreciation and amortization (including $247,410and $209,239 of consolidated variable interest entities, respectively)	(1,876,544		)	(1,729,234		)
Net real estate	5,758,517			5,029,839
Cash and cash equivalents	15,188			23,368
Accounts and notes receivable	209,877			116,749
Mortgage notes receivable, net	30,429			29,904
Investment in real estate partnerships	23,941			14,864
Prepaid expenses and other assets	237,803			208,555
TOTAL ASSETS	$	6,275,755		$	5,423,279
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities
Mortgages payable (including $460,372and $439,120 of consolidated variable interest entities, respectively)	$	491,505		$	471,117
Capital lease obligations	71,556			71,590
Notes payable	320,265			279,151
Senior notes and debentures	2,401,440			1,976,594
Accounts payable and accrued expenses	196,332			201,756
Dividends payable	75,931			71,440
Security deposits payable	16,667			16,285
Other liabilities and deferred credits	169,388			115,817
Total liabilities	3,743,084			3,203,750
Commitments and contingencies (Note 7)
Redeemable noncontrolling interests	141,157			143,694
Shareholders’ equity
Preferred shares, authorized 15,000,000 shares, $.01 par:
5.0% Series C Cumulative Redeemable Preferred Shares, (stated at liquidation preference $25,000 per share), 6,000 and 0 shares issued and outstanding, respectively	150,000			—
5.417% Series 1 Cumulative Convertible Preferred Shares, (stated at liquidation preference $25 per share), 399,896 shares issued and outstanding	9,997			9,997
Common shares of beneficial interest, $.01 par, 100,000,000 shares authorized, 73,090,877 and 71,995,897 shares issued and outstanding, respectively	733			722
Additional paid-in capital	2,855,321			2,718,325
Accumulated dividends in excess of net income	(749,367		)	(749,734		)
Accumulated other comprehensive income (loss)	22			(2,577		)
Total shareholders’ equity of the Trust	2,266,706			1,976,733
Noncontrolling interests	124,808			99,102
Total shareholders’ equity	2,391,514			2,075,835
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	6,275,755		$	5,423,279

The accompanying notes are an integral part of these consolidated statements.

F-4

Federal Realty Investment Trust

Consolidated Statements of Comprehensive Income

	Year Ended December 31,
	2017			2016			2015
	(In thousands, except per share data)
REVENUE
Rental income	$	841,461		$	786,583		$	727,812
Other property income	12,825			11,015			11,810
Mortgage interest income	3,062			3,993			4,390
Total revenue	857,348			801,591			744,012
EXPENSES
Rental expenses	164,890			158,326			147,593
Real estate taxes	107,839			95,286			85,824
General and administrative	36,281			33,399			35,645
Depreciation and amortization	216,050			193,585			174,796
Total operating expenses	525,060			480,596			443,858
OPERATING INCOME	332,288			320,995			300,154
Other interest income	475			374			149
Interest expense	(100,125		)	(94,994		)	(92,553		)
Early extinguishment of debt	(12,273		)	—			(19,072		)
(Loss) income from real estate partnerships	(417		)	50			1,416
INCOME FROM CONTINUING OPERATIONS	219,948			226,425			190,094
Gain on sale of real estate and change in control of interests, net	77,922			32,458			28,330
NET INCOME	297,870			258,883			218,424
Net income attributable to noncontrolling interests	(7,956		)	(8,973		)	(8,205		)
NET INCOME ATTRIBUTABLE TO THE TRUST	289,914			249,910			210,219
Dividends on preferred shares	(2,458		)	(541		)	(541		)
NET INCOME AVAILABLE FOR COMMON SHAREHOLDERS	$	287,456		$	249,369		$	209,678
EARNINGS PER COMMON SHARE, BASIC
Net income available for common shareholders	$	3.97		$	3.51		$	3.04
Weighted average number of common shares, basic	72,117			70,877			68,797
EARNINGS PER COMMON SHARE, DILUTED
Net income available for common shareholders	$	3.97		$	3.50		$	3.03
Weighted average number of common shares, diluted	72,233			71,049			68,981
NET INCOME	$	297,870		$	258,883		$	218,424
Other comprehensive income (loss) - change in value of interest rate swaps	2,599			1,533			(595		)
COMPREHENSIVE INCOME	300,469			260,416			217,829
Comprehensive income attributable to noncontrolling interests	(7,956		)	(8,973		)	(8,205		)
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE TRUST	$	292,513		$	251,443		$	209,624

The accompanying notes are an integral part of these consolidated statements.

F-5

Federal Realty Investment Trust

Consolidated Statement of Shareholders’ Equity

	Shareholders’ Equity of the Trust
	Preferred Shares			Common Shares				Additional Paid-in Capital			Accumulated Dividends in Excess of Net Income			Accumulated Other Comprehensive Income/(Loss)			Noncontrolling Interests			Total Shareholders' Equity
	Shares	Amount		Shares		Amount
	(In thousands, except share data)
BALANCE AT DECEMBER 31, 2014	399,896	$	9,997	68,605,783		$	687	$	2,281,223		$	(683,991	)	$	(3,515	)	$	88,155		1,692,556
Net income, excluding $3,423 attributable to redeemable noncontrolling interests	—	—		—		—		—			210,219			—			4,782			215,001
Other comprehensive loss - change in value of interest rate swaps	—	—		—		—		—			—			(595		)	—			(595		)
Dividends declared to common shareholders	—	—		—		—		—			(250,388		)	—			—			(250,388		)
Dividends declared to preferred shareholders	—	—		—		—		—			(541		)	—			—			(541		)
Distributions declared to noncontrolling interests	—	—		—		—		—			—			—			(5,269		)	(5,269		)
Common shares issued	—	—		813,548		8		108,537			—			—			—			108,545
Exercise of stock options	—	—		29,940		—		1,991			—			—			—			1,991
Shares issued under dividend reinvestment plan	—	—		16,524		—		2,296			—			—			—			2,296
Share-based compensation expense, net of forfeitures	—	—		52,213		1		12,073			—			—			—			12,074
Shares withheld for employee taxes	—	—		(64,227	)			(9,211		)	—			—			—			(9,211		)
Redemption of OP units	—	—		39,611		—		4,072			—			—			(4,223		)	(151		)
Contributions from noncontrolling interests	—	—		—		—		—			—			—			34,737			34,737
Adjustment to redeemable noncontrolling interests	—	—		—		—		(19,114		)	—			—			—			(19,114		)
BALANCE AT DECEMBER 31, 2015	399,896	9,997		69,493,392		696		2,381,867			(724,701		)	(4,110		)	118,182			1,781,931
Net income, excluding $2,713 attributable to redeemable noncontrolling interests	—	—		—		—		—			249,910			—			6,260			256,170
Other comprehensive income - change in value of interest rate swaps	—	—		—		—		—			—			1,533			—			1,533
Dividends declared to common shareholders	—	—		—		—		—			(274,402		)	—			—			(274,402		)
Dividends declared to preferred shareholders	—	—		—		—		—			(541		)	—			—			(541		)
Distributions declared to noncontrolling interests	—	—		—		—		—			—			—			(7,546		)	(7,546		)
Common shares issued	—	—		2,156,671		21		324,170			—			—			—			324,191
Exercise of stock options	—	—		55,365		1		4,541			—			—			—			4,542
Shares issued under dividend reinvestment plan	—	—		15,619		—		2,387			—			—			—			2,387
Share-based compensation expense, net of forfeitures	—	—		134,913		2		11,225			—			—			—			11,227
Shares withheld for employee taxes	—	—		(30,671	)	—		(4,451		)	—			—			—			(4,451		)
Conversion and redemption of OP units	—	—		170,608		2		18,677			—			—			(18,679		)	—
Contributions from noncontrolling interests	—	—		—		—		—			—			—			885			885
Adjustment to redeemable noncontrolling interests	—	—		—		—		(20,091		)	—			—			—			(20,091		)
BALANCE AT DECEMBER 31, 2016	399,896	$	9,997	71,995,897		$	722	$	2,718,325		$	(749,734	)	$	(2,577	)	$	99,102		$	2,075,835
January 1, 2017 adoption of new accounting standard - See Note 2								83			(83		)							—
Net income, excluding $3,874 attributable to redeemable noncontrolling interests	—	—		—		—		—			289,914			—			4,082			293,996
Other comprehensive income - change in value of interest rate swaps	—	—		—		—		—			—			2,599			—			2,599
Dividends declared to common shareholders	—	—		—		—		—			(287,006		)	—			—			(287,006		)
Dividends declared to preferred shareholders	—	—		—		—		—			(2,458		)	—			—			(2,458		)
Distributions declared to noncontrolling interests	—	—		—		—		—			—			—			(5,560		)	(5,560		)
Common shares issued, net	—	—		826,592		8		108,240			—			—			—			108,248
Preferred shares issued, net	6,000	150,000		—		—		(5,035		)	—			—			—			144,965
Exercise of stock options	—	—		152,634		2		9,977			—			—			—			9,979
Shares issued under dividend reinvestment plan	—	—		17,911		—		2,373			—			—			—			2,373
Share-based compensation expense, net of forfeitures	—	—		107,522		1		12,370			—			—			—			12,371
Shares withheld for employee taxes	—	—		(29,709	)	—		(4,229		)	—			—			—			(4,229		)
Conversion and redemption of OP units	—	—		20,030		—		2,569			—			—			(2,569		)	—
Contributions from noncontrolling interests	—	—		—		—		—			—			—			35,331			35,331
Purchase of noncontrolling interests	—	—		—		—		42			—			—			(5,578		)	(5,536		)
Adjustment to redeemable noncontrolling interests	—	—		—		—		10,606			—			$	—		—			10,606
BALANCE AT DECEMBER 31, 2017	405,896	$	159,997	73,090,877		$	733	$	2,855,321		$	(749,367	)	$	22		$	124,808		$	2,391,514

The accompanying notes are an integral part of these consolidated statements.

F-6

Federal Realty Investment Trust

Consolidated Statements of Cash Flows

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
OPERATING ACTIVITIES
Net income	$	297,870		$	258,883		$	218,424
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	216,050			193,585			174,796
Gain on sale of real estate and change in control of interests, net	(77,922		)	(32,458		)	(28,330		)
Early extinguishment of debt	12,273			—			19,072
Loss (income) from real estate partnerships	417			(50		)	(1,416		)
Other, net	(2,674		)	474			(29		)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Decrease (increase) in accounts receivable, net	2,059			1,868			(9,200		)
Increase in prepaid expenses and other assets	(3,346		)	(3,753		)	(6,695		)
Increase (decrease) in accounts payable and accrued expenses	14,242			7,159			(1,305		)
Increase (decrease) in security deposits and other liabilities	208			(2,003		)	3,729
Net cash provided by operating activities	459,177			423,705			369,046
INVESTING ACTIVITIES
Acquisition of real estate	(436,652		)	(142,958		)	(154,313		)
Capital expenditures - development and redevelopment	(441,984		)	(379,720		)	(236,437		)
Capital expenditures - other	(76,952		)	(57,560		)	(46,096		)
Proceeds from sale of real estate and real estate partnership interests	136,055			—			97,422
Investment in real estate partnerships	(696		)	(7,220		)	(2,802		)
Distribution from real estate partnership in excess of earnings	1,729			3,910			512
Leasing costs	(16,656		)	(18,299		)	(22,382		)
(Issuance) repayment of mortgage and other notes receivable, net	(1,646		)	11,626			10,333
Net cash used in investing activities	(836,802		)	(590,221		)	(353,763		)
FINANCING ACTIVITIES
Net borrowings (repayment) under revolving credit facility, net of costs	41,000			(56,916		)	53,500
Issuance of senior notes, net of costs	572,134			241,795			456,151
Redemption and retirement of senior notes	(161,930		)	—			(219,228		)
Repayment of mortgages, capital leases, and notes payable	(56,328		)	(49,559		)	(181,315		)
Issuance of common shares, net of costs	118,583			329,103			110,855
Issuance of preferred shares, net of costs	144,991			—			—
Dividends paid to common and preferred shareholders	(282,995		)	(267,694		)	(243,314		)
Shares withheld for employee taxes	(4,229		)	(4,451		)	(9,211		)
Contributions from noncontrolling interests	13,449			662			—
Distributions to and redemptions of noncontrolling interests	(15,230		)	(24,102		)	(9,626		)
Net cash provided by (used in) financing activities	369,445			168,838			(42,188		)
(Decrease) increase in cash and cash equivalents	(8,180		)	2,322			(26,905		)
Cash and cash equivalents at beginning of year	23,368			21,046			47,951
Cash and cash equivalents at end of year	$	15,188		$	23,368		$	21,046

The accompanying notes are an integral part of these consolidated statements.

F-7

Federal Realty Investment Trust

Notes to Consolidated Financial Statements

December 31, 2017, 2016 and 2015

NOTE 1—BUSINESS AND ORGANIZATION

Federal Realty Investment Trust (the “Trust”) is an equity real estate investment trust (“REIT”) specializing in the ownership, management, and redevelopment of retail and mixed-use properties. Our properties are located primarily in densely populated and affluent communities in strategically selected metropolitan markets in the Mid-Atlantic and Northeast regions of the United States, California, and South Florida. As of December 31, 2017, we owned or had a majority interest in community and neighborhood shopping centers and mixed-use properties which are operated as 104 predominantly retail real estate projects.

We operate in a manner intended to enable us to qualify as a REIT for federal income tax purposes. A REIT that distributes at least 90% of its taxable income to its shareholders each year and meets certain other conditions is not taxed on that portion of its taxable income which is distributed to its shareholders.

NOTE 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation

Our consolidated financial statements include the accounts of the Trust, its corporate subsidiaries, and all entities in which the Trust has a controlling interest or has been determined to be the primary beneficiary of a variable interest entity (“VIE”). The equity interests of other investors are reflected as noncontrolling interests or redeemable noncontrolling interests. All significant intercompany transactions and balances are eliminated in consolidation. We account for our interests in joint ventures, which we do not control, using the equity method of accounting. Certain 2016 and 2015 amounts have been reclassified to conform to current period presentation.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, referred to as “GAAP,” requires management to make estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities, and revenues and expenses. These estimates are prepared using management’s best judgment, after considering past, current and expected events and economic conditions. Actual results could differ from these estimates.

Revenue Recognition and Accounts Receivable

Our leases with tenants are classified as operating leases. Substantially all such leases contain fixed escalations which occur at specified times during the term of the lease. Base rents are recognized on a straight-line basis from when the tenant controls the space through the term of the related lease, net of valuation adjustments, based on management’s assessment of credit, collection and other business risk. Percentage rents, which represent additional rents based upon the level of sales achieved by certain tenants, are recognized at the end of the lease year or earlier if we have determined the required sales level is achieved and the percentage rents are collectible. Real estate tax and other cost reimbursements are recognized on an accrual basis over the periods in which the related expenditures are incurred. For a tenant to terminate its lease agreement prior to the end of the agreed term, we may require that they pay a fee to cancel the lease agreement. Lease termination fees for which the tenant has relinquished control of the space are generally recognized on the termination date. When a lease is terminated early but the tenant continues to control the space under a modified lease agreement, the lease termination fee is generally recognized evenly over the remaining term of the modified lease agreement.

We make estimates of the collectability of our accounts receivable related to minimum rents, straight-line rents, expense reimbursements and other revenue. Accounts receivable is carried net of this allowance for doubtful accounts. Our determination as to the collectability of accounts receivable and correspondingly, the adequacy of this allowance, is based primarily upon evaluations of individual receivables, current economic conditions, historical experience and other relevant factors. The allowance for doubtful accounts is increased or decreased through bad debt expense. Accounts receivable are written-off when they are deemed to be uncollectible and we are no longer actively pursuing collection. At December 31, 2017 and 2016, our allowance for doubtful accounts was $11.8 million and $11.9 million, respectively.

In some cases, primarily relating to straight-line rents, the collection of accounts receivable extends beyond one year. Our experience relative to unbilled straight-line rents is that a portion of the amounts otherwise recognizable as revenue is never billed to or collected from tenants due to early lease terminations, lease modifications, bankruptcies and other factors. Accordingly, the extended collection period for straight-line rents along with our evaluation of tenant credit risk may result in

F-8

the nonrecognition of a portion of straight-line rental income until the collection of such income is reasonably assured. If our evaluation of tenant credit risk changes indicating more straight-line revenue is reasonably collectible than previously estimated and realized, the additional straight-line rental income is recognized as revenue. If our evaluation of tenant credit risk changes indicating a portion of realized straight-line rental income is no longer collectible, a reserve and bad debt expense is recorded. At December 31, 2017 and 2016, accounts receivable include approximately $93.1 million and $80.6 million, respectively, related to straight-line rents.

We are currently under construction on 221 condominium units at our Assembly Row and Pike & Rose properties. Gains or losses on the sale of these condominium units are recognized in accordance with the provisions of ASC Topic 360-20, “Property, Plant and Equipment – Real Estate Sales.” We account for contracted condominium sales under the percentage-of completion method, based on an evaluation of the criteria specified in ASC Topic 360-20 including: the legal commitment of the purchaser in the real estate contract, whether the construction of the project is beyond a preliminary phase, whether sufficient units have been contracted to ensure the project will not revert to a rental project, the ability to reasonably estimate the aggregate project sale proceeds and aggregate project costs, and the determination that the buyer has made an adequate initial and continuing cash investment under the contract. When the percentage-of-completion criteria have not been met, no profit is recognized. The application of these criteria can be complex and requires us to make assumptions. See "Recent Accounting Pronouncements," for discussion of change in timing of revenue recognition with the adoption of ASU 2014-09 on January 1, 2018.

Real Estate

Land, buildings and improvements are recorded at cost. Depreciation is computed using the straight-line method. Estimated useful lives range generally from 35 years to a maximum of 50 years on buildings and major improvements. Minor improvements, furniture and equipment are capitalized and depreciated over useful lives ranging from 2 to 20 years. Maintenance and repairs that do not improve or extend the useful lives of the related assets are charged to operations as incurred. Tenant improvements are capitalized and depreciated over the life of the related lease or their estimated useful life, whichever is shorter. If a tenant vacates its space prior to contractual termination of its lease, the undepreciated balance of any tenant improvements are written off if they are replaced or have no future value. In 2017, 2016 and 2015, real estate depreciation expense was $193.3 million, $173.2 million and $156.5 million, respectively, including amounts from real estate sold and assets under capital lease obligations.

Sales of real estate are recognized only when sufficient down payments have been obtained, possession and other attributes of ownership have been transferred to the buyer and we have no significant continuing involvement. The application of these criteria can be complex and requires us to make assumptions. We believe these criteria were met for all real estate sold during the periods presented.

Our methodology of allocating the cost of acquisitions to assets acquired and liabilities assumed is based on estimated fair values, replacement cost and/or appraised values. When we acquire operating real estate properties, the purchase price is allocated to land, building, improvements, leasing costs, intangibles such as in-place leases, assumed debt, if any, and to current assets and liabilities acquired, if any. The value allocated to in-place leases is amortized over the related lease term and reflected as rental income in the consolidated statements of comprehensive income. We consider qualitative and quantitative factors in evaluating the likelihood of a tenant exercising a below market renewal option and include such renewal options in the calculation of in-place lease value when we consider these to be bargain renewal options. If the value of below market lease intangibles includes renewal option periods, we include such renewal periods in the amortization period utilized. If a tenant vacates its space prior to contractual termination of its lease, the unamortized balance of any in-place lease value is written off to rental income.

Transaction costs related to asset acquisitions, such as broker fees, transfer taxes, legal, accounting, valuation, and other professional and consulting fees, are capitalized as part of the acquisition cost. The acquisition of an operating shopping center typically qualifies as an asset acquisition. See "Recent Accounting Pronouncements" for further discussion.

When applicable, as lessee, we classify our leases of land and building as operating or capital leases. We are required to use judgment and make estimates in determining the lease term, the estimated economic life of the property and the interest rate to be used in determining whether or not the lease meets the qualification of a capital lease and is recorded as an asset.

We capitalize certain costs related to the development and redevelopment of real estate including pre-construction costs, real estate taxes, insurance, construction costs and salaries and related costs of personnel directly involved. Additionally, we capitalize interest costs related to development and redevelopment activities. Capitalization of these costs begin when the activities and related expenditures commence and cease when the project is substantially complete and ready for its intended use at which time the project is placed in service and depreciation commences. Additionally, we make estimates as to the

F-9

probability of certain development and redevelopment projects being completed. If we determine the development or redevelopment is no longer probable of completion, we expense all capitalized costs which are not recoverable.

We review for impairment on a property by property basis. Impairment is recognized on properties held for use when the expected undiscounted cash flows for a property are less than its carrying amount at which time the property is written-down to fair value. Properties held for sale are recorded at the lower of the carrying amount or the expected sales price less costs to sell.

Cash and Cash Equivalents

We define cash and cash equivalents as cash on hand, demand deposits with financial institutions and short term liquid investments with an initial maturity, when purchased, under three months. Cash balances in individual banks may exceed the federally insured limit by the Federal Deposit Insurance Corporation (the “FDIC”). At December 31, 2017, we had $19.6 million in excess of the FDIC insured limit.

Prepaid Expenses and Other Assets

Prepaid expenses and other assets consist primarily of lease costs, prepaid property taxes and acquired above market leases. Capitalized lease costs are direct costs incurred which were essential to originate a lease and would not have been incurred had the leasing transaction not taken place and include third party commissions and salaries and related costs of personnel directly related to time spent obtaining a lease. Capitalized lease costs are amortized over the life of the related lease. If a tenant vacates its space prior to the contractual termination of its lease, the unamortized balance of any previously capitalized lease costs are written off.

Debt Issuance Costs

Costs related to the issuance of debt instruments are deferred and are amortized as interest expense over the estimated life of the related issue using the straight-line method which approximates the effective interest method. If a debt instrument is paid off prior to its original maturity date, the unamortized balance of debt issuance costs are written off to interest expense or, if significant, included in “early extinguishment of debt.” Debt issuance costs related to our revolving credit facility are classified as an asset and are included in "prepaid expenses and other assets" in our consolidated balance sheets. All other debt issuance costs are presented as a direct deduction from the carrying amount of the debt liability.

Derivative Instruments

At times, we may use derivative instruments to manage exposure to variable interest rate risk. We generally enter into interest rate swaps to manage our exposure to variable interest rate risk and treasury locks to manage the risk of interest rates rising prior to the issuance of debt. We enter into derivative instruments that qualify as cash flow hedges and do not enter into derivative instruments for speculative purposes.

The interest rate swaps associated with our cash flow hedges are recorded at fair value on a recurring basis. We assess effectiveness of our cash flow hedges both at inception and on an ongoing basis. The effective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recorded in accumulated other comprehensive loss and is subsequently reclassified into interest expense as interest is incurred on the related variable rate debt; within the next twelve months, we expect to reclassify less than an estimated $0.1 million as an increase to interest expense. Our cash flow hedges become ineffective if critical terms of the hedging instrument and the debt instrument do not perfectly match such as notional amounts, settlement dates, reset dates, calculation period and LIBOR rate. In addition, we evaluate the default risk of the counterparty by monitoring the credit worthiness of the counterparty. When ineffectiveness exists, the ineffective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recognized in earnings in the period affected. Hedge ineffectiveness did not impact earnings in 2017, 2016 or 2015, and we do not anticipate it will have a significant effect in the future.

See Note 6 for additional disclosures relating to our two existing interest rate swap agreements.

Mortgage Notes Receivable

We have made certain mortgage loans that, because of their nature, qualify as loan receivables. At the time the loans were made, we did not intend for the arrangement to be anything other than a financing and did not contemplate a real estate investment. We evaluate each investment to determine whether the loan arrangement qualifies as a loan, joint venture or real estate investment and the appropriate accounting thereon. Such determination affects our balance sheet classification of these investments and the recognition of interest income derived therefrom. We receive additional interest, however, we never receive in excess of 50% of the residual profit in the project, and because the borrower has either a substantial investment in the

F-10

project or has guaranteed all or a portion of our loan (or a combination thereof), the loans qualify for loan accounting. The amounts under these arrangements are presented as mortgage notes receivable at December 31, 2017 and 2016.

Mortgage notes receivable are recorded at cost, net of any valuation adjustments. Interest income is accrued as earned. Mortgage notes receivable are considered past due based on the contractual terms of the note agreement. On a quarterly basis, we evaluate the collectability of each mortgage note receivable based on various factors which may include payment history, expected fair value of the collateral securing the loan, internal and external credit information and/or economic trends. A loan is considered impaired when, based upon current information and events, it is probable that we will be unable to collect all amounts due under the existing contractual terms. When a loan is considered impaired, the amount of the loss accrual is calculated by comparing the carrying amount of the mortgage note receivable to the present value of expected future cash flows. Since our loans are collateralized by a first mortgage, the loans have risk characteristics similar to the risks in owning commercial real estate.

At December 31, 2017 and 2016, we had two mortgage notes receivable, with aggregate carrying amounts of $30.4 million and $29.9 million, respectively, with a weighted average interest rate of 10.0% and 9.9%, respectively, which were secured by first mortgages on retail buildings.

Share Based Compensation

We grant share based compensation awards to employees and trustees typically in the form of restricted common shares, common shares, and options. We measure share based compensation expense based on the grant date fair value of the award and recognize the expense ratably over the requisite service period, which is typically the vesting period. See Note 12 for further discussion regarding our share based compensation plans and policies. Effective January 1, 2017, we adopted ASU 2016-09, "Compensation-Stock Compensation," which impacts accounting for forfeitures and the classification for shares withheld for employee taxes on the Statement of Cash Flows. See "Recent Accounting Pronouncements" for further discussion.

Variable Interest Entities

Certain entities that do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties or in which equity investors do not have the characteristics of a controlling financial interest qualify as VIEs. VIEs are required to be consolidated by their primary beneficiary. The primary beneficiary of a VIE has both the power to direct the activities that most significantly impact economic performance of the VIE and the obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE.

We have 17 entities that meet the criteria of a VIE in which we hold a variable interest. For each of these entities we control the significant operating decisions and consequently have the power to direct the activities that most significantly impact the economic performance of the entities. As we also have the obligation to absorb the majority of the losses and/or the right to receive a majority of the benefits for each of these entities, all are consolidated in our financial statements. Net real estate assets and mortgage payables related to variable interest entities included in our consolidated balance sheets were approximately $1.4 billion and $460.4 million, respectively, as of December 31, 2017, and $1.0 billion and $439.1 million, respectively, as of December 31, 2016.

In addition, our equity method investments in the Pike & Rose hotel joint venture and the La Alameda shopping center are also considered variable interests in a VIE. As we do not control the activities that most significantly impact the economic performance of the joint ventures, we are not the primary beneficiary and do not consolidate. As of December 31, 2017 and 2016 our investment in the joint ventures and maximum exposure to loss was $23.9 million and $13.5 million, respectively.

We have also evaluated our mortgage notes receivable investments and determined that the entities obligated under the mortgage notes are not VIEs. Our equity method investments and mortgage notes receivable balances are presented separately in our consolidated balance sheets.

Redeemable Noncontrolling Interests

We have certain noncontrolling interests that are redeemable for cash upon the occurrence of an event that is not solely in our control and therefore are classified outside of permanent equity. We adjust the carrying amounts of these noncontrolling interests that are currently redeemable to redemption value at the balance sheet date. Adjustments to the carrying amount to reflect changes in redemption value are recorded as adjustments to additional paid-in capital in shareholders' equity. These amounts are classified within the mezzanine section of the consolidated balance sheets.

F-11

The following table provides a rollforward of the redeemable noncontrolling interests:

	Year Ended
	December 31,
	2017			2016
	(In thousands)
Beginning balance	$	143,694		$	137,316
Contributions	11,109			—
Net income	3,874			2,713
Distributions & Redemptions	(6,914		)	(16,426		)
Change in redemption value	(10,606		)	20,091
Ending balance	$	141,157		$	143,694

On January 12, 2017, we exercised our purchase option on non-controlling interests in San Antonio Center for $2.6 million of cash and 44,195 of downREIT operating partnership units.

On February 12, 2016, we acquired the 10% noncontrolling interest in the partnership that owns our Hollywood Blvd project for $13.0 million, bringing our ownership interest to 100%.

Income Taxes

We operate in a manner intended to enable us to qualify as a REIT for federal income tax purposes. A REIT that distributes at least 90% of its taxable income to its shareholders each year and meets certain other conditions is not taxed on that portion of its taxable income which is distributed to its shareholders. Therefore, federal income taxes on our taxable income have been and are generally expected to be immaterial. We are obligated to pay state taxes, generally consisting of franchise or gross receipts taxes in certain states. Such state taxes also have not been material.

We have elected to treat certain of our subsidiaries as taxable REIT subsidiaries, which we refer to as a TRS. In general, a TRS may engage in any real estate business and certain non-real estate businesses, subject to certain limitations under the Internal Revenue Code of 1986, as amended (the “Code”). A TRS is subject to federal and state income taxes. Our TRS activities have not been material.

With few exceptions, we are no longer subject to U.S. federal, state, and local tax examinations by tax authorities for years before 2013. As of December 31, 2017 and 2016, we had no material unrecognized tax benefits. While we currently have no material unrecognized tax benefits, as a policy, we recognize penalties and interest accrued related to unrecognized tax benefits as income tax expense.

Segment Information

Our primary business is the ownership, management, and redevelopment of retail and mixed-use properties. We review operating and financial information for each property on an individual basis and therefore, each property represents an individual operating segment. We evaluate financial performance using property operating income, which consists of rental income, other property income and mortgage interest income, less rental expenses and real estate taxes. No individual property constitutes more than 10% of our revenues or property operating income and we have no operations outside of the United States of America. Therefore, we have aggregated our properties into one reportable segment as the properties share similar long-term economic characteristics and have other similarities including the fact that they are operated using consistent business strategies, are typically located in major metropolitan areas, and have similar tenant mixes.

F-12

Recent Accounting Pronouncements

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Recently adopted:
ASU 2016-09, March 2016, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting	This ASU simplifies the accounting for share-based payment transactions, including a policy election option with respect to accounting for forfeitures either as they occur or estimating forfeitures (as was previously required), as well as increasing the amount an employer can withhold to cover income taxes on equity awards. Additionally, it requires the cash paid to a taxing authority when shares are withheld to pay employee taxes to be classified as a "financing activity" rather than an "operating activity," as was done previously on the Statement of Cash Flows.	January 2017	The adoption of this standard resulted in accounting for forfeitures as they occur, and we have recorded the cumulative impact on the adoption date as a $0.1 million adjustment to additional paid-in capital and accumulated dividends in excess of net income. The amounts reclassified from "operating activities" to "financing activities" for shares withheld for employee taxes was $4.5 million and $9.2 million, respectively, for 2016 and 2015.
ASU 2017-01, January 2017, Business Combinations (Topic 805): Clarifying the Definition of a Business	This ASU changes the definition of a business to exclude acquisitions where substantially all of the fair value of the assets acquired are concentrated in a single identifiable asset or a group of similar identifiable assets. Given this change in definition, we believe most of our shopping center acquisitions will no longer be considered business combinations, but rather asset acquisitions.	January 2017	The largest impact of this standard is that transaction costs are capitalized for asset acquisitions rather than expensed when they are considered business combinations. Based on acquisitions in the last several years, transaction costs for a single shopping center acquisition have typically ranged from $0.2 million to $2.4 million with significantly higher transaction costs expected for an acquisition of a larger portfolio. We are applying the new guidance prospectively. Our acquisitions during the year ended December 31, 2017 (further discussed in Note 3) qualified as asset acquisitions and consequently, all transaction costs were capitalized after the adoption date.
Adopted Subsequent to December 31, 2017:
ASU 2016-15, August 2016, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments	This ASU provides classification guidance for eight specific topics including debt extinguishment costs, contingent consideration payments made after a business combination, and distributions received from equity method investees.	January 2018	This standard will require classification changes, however, it is not expected to have a significant impact to our consolidated financial statements.
ASU 2016-18, November 2016, Statement of Cash Flows (Topic 203) - Restricted Cash	This ASU requires that the statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or cash equivalents. Amounts generally described as restricted cash and equivalents should be included with cash and cash equivalents when reconciling the beginning and end of period total amounts on the statement of cash flows.	January 2018	This standard will require reclassification of certain restricted cash amounts on the consolidated statement of cash flows, but is not expected to have a significant impact to our consolidated financial statements.

F-13

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Revenue from Contracts with Customers (Topic 606) and related updates: ASU 2014-09, May    2014, Revenue from    Contracts with    Customers ASU 2015-14,    August 2015,    Revenue from    Contracts with    Customers: Deferral    of the Effective Date ASU 2016-08,    March 2016,    Revenue from    Contracts with    Customers:    Principal versus    Agent   Considerations ASU 2016-10, April    2016, Revenue from    Contracts with    Customers:    Identifying    Performance    Obligations and    Licensing ASU 2016-12, May    2016, Revenue from    Contracts with    Customers:    Narrow-Scope    Improvements and    Practical Expedients ASU 2016-20,    December 2016,    Revenue from    Contracts with    Customers:    Technical    Corrections and    Improvements	In May 2014, the the FASB issued ASU 2014-09, "Revenue from Contracts with Customers." ASU 2014-09 as amended and interpreted by ASU 2015-14, ASU 2016-08, ASU 2016-10, ASU 2016-12, and ASU 2016-20, supersedes nearly all existing revenue recognition guidance under GAAP and replaces it with a core revenue recognition principle, that an entity will recognize revenue when it transfers control of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services, and creates a five-step model for revenue recognition in accordance with this principle. ASU 2014-09 also requires new disclosures in both interim and annual reporting periods. The guidance in ASU 2014-09 does not apply to contracts within the scope of ASC 840, Leases. ASU 2016-08 clarifies how to identify the unit of accounting for the principal versus agent evaluation, how to apply the control principle to certain types of arrangements, such as service transactions, and reframed the indicators in the guidance to focus on evidence that an entity is acting as a principal rather than as an agent. ASU 2016-10 clarifies the existing guidance on identifying performance obligations and licensing implementation. ASU 2016-12 adds practical expedients related to the transition for contract modifications and further defines a completed contract, clarifies the objective of the collectability assessment and how revenue is recognized if collectability is not probable, and when non-cash considerations should be measured. ASU 2016-20 corrects or improves guidance in thirteen narrowly focused aspects of the guidance. The standard allows for either "full retrospective" adoption, meaning the standard is applied to all of the periods presented, or "modified retrospective" adoption, meaning the cumulative impact of applying the standard is recognized in accumulated dividends in excess of net income on the date of application.	January 2018	Currently, gains on contracted condominium sales are recognized using the percentage-of-completion method, with the gain recognized once certain criteria have been met in advance of legal closing (see further discussion in the "Revenue Recognition" section of Note 2 to the consolidated financial statements). Under the new guidance, condominium sale gains will be recognized as the condominium units are legally sold, which will typically be upon closing. The reversal of the gain will be recognized through equity, and will be reflected in accumulated dividends in excess of net income. Most of our revenue is accounted for under the leasing standard, and therefore is not subject to this standard. With the exception of condominium sales, the adoption of the standard will not have a significant impact on our consolidated financial statements. We will implement the new revenue recognition guidance retrospectively with the cumulative effect recognized in accumulated dividends in excess of net income at the date of initial application.

F-14

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
ASU 2017-05, February 2017, Other Income - Gains and Losses from the Recognition of Nonfinancial Assets (Subtopic 610-20): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets	This ASU clarifies that ASC 610-20 applies to all nonfinancial assets (including real estate) for which the counterparty is not a customer and also clarifies that all businesses are derecognized using the deconsolidation guidance. Additionally, it defines an insubstance nonfinancial asset as a financial asset that is promised to a counterparty in a contract in which substantially all of the fair value of the assets promised in the contract is concentrated in nonfinancial assets, which excludes cash or cash equivalents and liabilities. Under the current guidance, a partial sale is recognized and carryover basis is used for the retained interest, however, the new guidance eliminates the use of carryover basis and generally requires a full gain to be recognized for prospective disposals of nonfinancial assets.	January 2018	The new guidance is expected to impact the gain recognized when a real estate asset is sold to a non-customer and a noncontrolling interest is retained. Based on our historical transactions, this standard is not expected to have a significant impact to our consolidated financial statements.
ASU 2017-09, May 2017, Compensation-Stock Compensation (Topic 718): Scope of Modification Accoutning	The ASU clarifies when changes to the terms or conditions of a share-based payment award must be accounted for as modifications. Under the new guidance, an entity will not apply modification accounting if the awards' fair value, vesting conditions, and the classification of the award as equity or a liability are the same immediately before and after the change. The new guidance is applied prospectively to awards granted or modified after the adoption date.	January 2018	This standard is not expected to have a significant impact to our consolidated financial statements.
Not Yet Adopted:
ASU 2016-02, February 2016, Leases (Topic 842)	This ASU significantly changes the accounting for leases by requiring lessees to recognize assets and liabilities for leases greater than 12 months on their balance sheet. The lessor model stays substantially the same; however, there were modifications to conform lessor accounting with the lessee model, eliminate real estate specific guidance, further define certain lease and non-lease components, and change the definition of initial direct costs of leases requiring significantly more leasing related costs to be expensed upfront.	January 2019	We are currently assessing the impact of this standard to our consolidated financial statements.
ASU 2016-13, June 2016, Financial Instruments - Credit Losses (Topic 326)	This ASU changes the impairment model for most financial assets and certain other instruments, requiring the use of an "expected credit loss" model and adding more disclosure requirements.	January 2020	We are currently assessing the impact of this standard to our consolidated financial statements.

F-15

Consolidated Statements of Cash Flows—Supplemental Disclosures

The following table provides supplemental disclosures related to the Consolidated Statements of Cash Flows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
SUPPLEMENTAL DISCLOSURES:
Total interest costs incurred	$	125,684		$	113,016		$	110,675
Interest capitalized	(25,559		)	(18,022		)	(18,122		)
Interest expense	$	100,125		$	94,994		$	92,553
Cash paid for interest, net of amounts capitalized	$	105,201		$	90,185		$	116,335
Cash paid for income taxes	$	352		$	296		$	274
NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Mortgage loans refinanced	$	166,823		$	—		$	—
Mortgage loans assumed with acquisition	$	79,401		$	34,385		$	89,516
DownREIT operating partnership units issued with acquisition	$	5,918		$	—		$	7,742
DownREIT operating partnership units redeemed for common shares	$	2,569		$	18,679		$	4,114
Shares issued under dividend reinvestment plan	$	2,017		$	2,017		$	1,977

Capitalized lease costs are direct costs incurred which were essential to originate a lease and would not have been incurred had the leasing transaction not taken place. These costs include third party commissions and salaries and personnel costs related to obtaining a lease. Capitalized lease costs are amortized over the initial term of the related lease which generally ranges from three to ten years. We view these lease costs as part of the up-front initial investment we made in order to generate a long-term cash inflow and therefore, we classify cash outflows related to leasing costs as an investing activity in our consolidated statements of cash flows.

NOTE 3—REAL ESTATE

A summary of our real estate investments and related encumbrances is as follows:

	Cost		Accumulated Depreciation and Amortization			Encumbrances
	(In thousands)
December 31, 2017
Retail and mixed-use properties	$	7,500,929	$	(1,821,046	)	$	470,720
Retail properties under capital leases	123,346		(46,140		)	71,556
Residential	10,786		(9,358		)	20,785
	$	7,635,061	$	(1,876,544	)	$	563,061
December 31, 2016
Retail and mixed-use properties	$	6,621,170	$	(1,677,938	)	$	449,896
Retail properties under capital leases	127,359		(42,308		)	71,590
Residential	10,544		(8,988		)	21,221
	$	6,759,073	$	(1,729,234	)	$	542,707

Retail and mixed-use properties includes the residential portion of Assembly Row, Bethesda Row, Chelsea Commons, Congressional Plaza, Pike & Rose, Santana Row, and Towson Residential (Flats @ 703). The residential property investment is our investment in Rollingwood Apartments.

2017 Property Acquisitions and Dispositions

On February 1, 2017, we acquired a leasehold interest in Hastings Ranch Plaza, a 274,000 square foot shopping center in Pasadena, California for $29.5 million. The land is subject to a long-term ground lease that expires on April 30, 2054. Approximately $21.5 million of assets acquired were allocated to lease intangibles and included within other assets. Approximately $15.2 million of net assets acquired were allocated to lease liabilities and included in other liabilities.

F-16

On March 31, 2017, we acquired the fee interest in Riverpoint Center, a 211,000 square foot shopping center in the Lincoln Park neighborhood of Chicago, Illinois for $107.0 million. Approximately $1.0 million and $12.3 million of net assets acquired were allocated to other assets for "above market leases," and other liabilities for "below market leases," respectively.

We leased three parcels of land at our Assembly Row property to two ground lessees. Both lessees exercised purchase options under the related ground leases. The sale transaction related to the purchase option on one of our ground leases was completed on April 4, 2017 for a sales price of $36.0 million. On June 28, 2017, the sale transactions related to the purchase options on our other two ground lease parcels were completed for a total sales price of $17.3 million. The net gain recognized in connection with these transactions was approximately $15.4 million. At December 31, 2016, the total cost basis of the related land was $33.9 million and is included in "assets held for sale" on our consolidated balance sheet.

On May 19, 2017, we acquired the fee interest in a 71,000 square foot, mixed-use property located in Berkeley, California based on a gross value of $23.9 million. The acquisition was completed through a newly formed entity for which we own a 90% controlling interest. Approximately $0.8 million and $0.3 million of net assets acquired were allocated to other assets for "above market leases" and other liabilities for "below market leases," respectively, and approximately $2.4 million was allocated to noncontrolling interests.

On August 2, 2017, we acquired an approximately 90% interest in a joint venture that owns six shopping centers in Los Angeles County, California based on a gross value of $357 million, including the assumption of $79.4 million of mortgage debt. Approximately $7.8 million of assets acquired were allocated to lease intangibles and included within other assets, approximately $36.2 million of net assets acquired were allocated to lease liabilities and included in other liabilities, and approximately $30.6 million was allocated to noncontrolling interests. That joint venture also acquired a 24.5% interest in La Alameda, a shopping center in Walnut Park, California for $19.8 million. The property has $41.0 million of mortgage debt, of which the joint venture's share is approximately $10 million. Additional information on the properties is listed below:

Property	City/State	GLA
		(in square feet)
Azalea	South Gate, CA	222,000
Bell Gardens	Bell Gardens, CA	330,000
La Alameda	Walnut Park, CA	245,000
Olivo at Mission Hills (1)	Mission Hills, CA	155,000
Plaza Del Sol	South El Monte, CA	48,000
Plaza Pacoima	Pacoima, CA	204,000
Sylmar Towne Center	Sylmar, CA	148,000
		1,352,000
(1) Property is currently being redeveloped. GLA reflects approximate square footage once the property is open and operating.

The following unaudited pro forma financial data includes the total revenues, operating expenses (including approximately $11.5 million and $11.4 million of depreciation and amortization expense for the years ended December 31, 2017 and 2016, respectively), and interest expense/financing costs related to the properties acquired on August 2, 2017 as if they had occurred on January 1, 2016. The pro forma financial information is presented for informational purposes only and may not be indicative of what actual results of income would have been, nor does it represent the results of income for future periods.

	Year Ended December 31,
	2017		2016
	(in millions) (unaudited)
Total revenue	$	872.9	$	826.6
Net income available for common shareholders	284.6		244.3

On August 25, 2017, we sold our property located at 150 Post Street in San Francisco, California for a sales price of $69.3 million, resulting in a gain of $45.2 million.

On September 25, 2017, we sold our North Lake Commons property in Lake Zurich, Illinois for a sales price of $15.6 million, resulting in a gain of $4.9 million.

On December 28, 2017, we sold a parcel of land at our Bethesda Row property in Bethesda, Maryland for a sales price of $8.5 million, resulting in a gain of $6.5 million.

F-17

For the year ended December 31, 2017, we recognized a $5.4 million gain, net of $1.4 million of income taxes, related to the sale of condominiums at our Assembly Row property based on the percentage-of-completion method. In connection with recording the gain, we recognized a receivable of $67.1 million as of December 31, 2017. The closing of the Assembly Row condominium sales is expected to commence in 2018.As of December 31, 2017, no gain has been recognized for contracted condominium sales at Pike & Rose, as not all of the criteria necessary for profit recognition have been met.

2016 Property Acquisitions and Disposition

OnJanuary 13, 2016, we acquired our partner's70%interest in our joint venture arrangement (the "Partnership") with affiliates of a discretionary fund created and advised by Clarion Partners ("Clarion") for$153.7 million, which included the payment of$130.0 millionof cash and the assumption of mortgage loans totaling$34.4 million. As a result of the transaction, we gained control of thesix underlying properties, and effective January 13, 2016, have consolidated the properties. We also recognized a gain on acquisition of the controlling interest of $25.7 million related to the difference between the carrying value and fair value of the previously held equity interest. Approximately $7.3 million and $4.9 million of net assets acquired were allocated to other assets for "above market leases," and other liabilities for "below market leases," respectively. We incurred $0.2 million of acquisition costs, of which $0.1 million were incurred in 2016, and included in "general and administrative expenses" on the consolidated statements of comprehensive income in 2016 and 2015.

On May 12, 2016, an unconsolidated joint venture that we hold an interest in sold a building in Coconut Grove, Florida. Our share of the gain, net of noncontrolling interests, was $0.5 million.

On July 26, 2016, we acquired an additional building in the Coconut Grove neighborhood of Miami, Florida for $5.9 million through our CocoWalk LLC entity. We incurred $0.2 million in acquisition costs which are included in "general and administrative expenses" in 2016.

On November 7, 2016, we acquired a building adjacent to our Barcroft Plaza property for $5.3 million, and incurred $0.1 million of acquisition costs which are included in "general and administrative expenses" in 2016.

NOTE 4—ACQUIRED IN-PLACE LEASES

Acquired lease assets are included in prepaid expenses and other assets and comprise above market leases where we are the lessor and below market leases where we are the lessee. Acquired lease liabilities are included in other liabilities and deferred credits and comprise below market leases where we are the lessor and above market leases where we are the lessee. The following is a summary of our acquired lease assets and liabilities:

	December 31, 2017						December 31, 2016
	Cost			Accumulated Amortization			Cost			Accumulated Amortization
	(in thousands)
Above market leases, lessor	$	52,393		$	(31,406	)	$	45,327		$	(28,085	)
Below market leases, lessee	34,604			(1,705		)	13,237			(924		)
Total	$	86,997		$	(33,111	)	$	58,564		$	(29,009	)
Below market leases, lessor	$	(193,085	)	$	56,716		$	(138,253	)	$	48,928
Above market leases, lessee	(9,084		)	560			(2,796		)	271
Total	$	(202,169	)	$	57,276		$	(141,049	)	$	49,199

F-18

The value allocated to in-place leases where we are the lessor is amortized over the related lease term and reflected as additional rental income for below market leases or a reduction of rental income for above market leases in the consolidated statements of comprehensive income. The related amortization of in-place leases where we are the lessee is reflected as additional rental expense for below market leases or a reduction of rental expenses for above market leases in the consolidated statements of comprehensive income. The following is a summary of acquired lease amortization:

	Year Ended December 31,
	2017			2016			2015
	(in thousands)
Amortization of above market leases, lessor	$	(6,005	)	$	(6,726	)	$	(4,425	)
Amortization of below market leases, lessor	10,726			8,551			7,130
Net increase in rental income	$	4,721		$	1,825		$	2,705
Amortization of below market leases, lessee	$	781		$	255		$	255
Amortization of above market leases, lessee	(290		)	(135		)	(135		)
Net increase in rental expense	$	491		$	120		$	120

The following is a summary of the remaining weighted average amortization period for our acquired lease assets and acquired lease liabilities:

	December 31, 2017
Above market leases, lessor	4.7 years
Below market leases, lessee	41.6 years
Below market leases, lessor	19.8 years
Above market leases, lessee	16.9 years

The amortization for acquired in-place leases during the next five years and thereafter, assuming no early lease terminations, is as follows:

	Acquired Lease Assets		Acquired Lease Liabilities
	(In thousands)
Year ending December 31,
2018	$	5,810	$	9,990
2019	3,829		9,488
2020	3,182		8,494
2021	2,804		7,869
2022	2,381		7,484
Thereafter	35,880		101,568
	$	53,886	$	144,893

F-19

NOTE 5—DEBT

The following is a summary of our total debt outstanding as of December 31, 2017 and 2016:

	Principal Balance as of December 31,						Stated Interest Rate as of		Stated Maturity Date as of
Description of Debt	2017			2016			December 31, 2017		December 31, 2017
Mortgages payable	(Dollars in thousands)
The Grove at Shrewsbury (West)	$	10,545		$	10,792		6.38	%	March 1, 2018
Rollingwood Apartments	20,820			21,283			5.54	%	May 1, 2019
The Shops at Sunset Place	66,603			68,634			5.62	%	September 1, 2020
29th Place	4,341			4,553			5.91	%	January 31, 2021
Sylmar Towne Center	17,362			—			5.39	%	June 6, 2021
Plaza Del Sol	8,579			—			5.23	%	December 1, 2021
THE AVENUE at White Marsh	52,705			52,705			3.35	%	January 1, 2022
Montrose Crossing	71,054			72,726			4.20	%	January 10, 2022
Azalea	40,000			—			3.73	%	November 1, 2025
Bell Gardens	13,184			—			4.06	%	August 1, 2026
Plaza El Segundo	125,000			175,000			3.83	%	June 5, 2027
The Grove at Shrewsbury (East)	43,600			42,536			3.77	%	September 1, 2027
Brook 35	11,500			11,500			4.65	%	July 1, 2029
Chelsea	6,268			6,576			5.36	%	January 15, 2031
Subtotal	491,561			466,305
Net unamortized premium and debt issuance costs	(56		)	4,812
Total mortgages payable	491,505			471,117
Notes payable
Term loan	275,000			275,000			LIBOR + 0.90%		November 21, 2018
Revolving credit facility	41,000			—			LIBOR + 0.825%		April 20, 2020
Various	4,819			5,247			11.31	%	Various through 2028
Subtotal	320,819			280,247
Net unamortized debt issuance costs	(554		)	(1,096		)
Total notes payable	320,265			279,151
Senior notes and debentures
5.90% notes	—			150,000			5.90	%	April 1, 2020
2.55% notes	250,000			250,000			2.55	%	January 15, 2021
3.00% notes	250,000			250,000			3.00	%	August 1, 2022
2.75% notes	275,000			275,000			2.75	%	June 1, 2023
3.95% notes	300,000			300,000			3.95	%	January 15, 2024
7.48% debentures	29,200			29,200			7.48	%	August 15, 2026
3.25% notes	475,000			—			3.25	%	July 15, 2027
6.82% medium term notes	40,000			40,000			6.82	%	August 1, 2027
4.50% notes	550,000			450,000			4.50	%	December 1, 2044
3.625% notes	250,000			250,000			3.625	%	August 1, 2046
Subtotal	2,419,200			1,994,200
Net unamortized discount and debt issuance costs	(17,760		)	(17,606		)
Total senior notes and debentures	2,401,440			1,976,594
Capital lease obligations
Various	71,556			71,590			Various		Various through 2106
Total debt and capital lease obligations	$	3,284,766		$	2,798,452

On June 5, 2017 we refinanced the $175.0 million mortgage loan on Plaza El Segundo at a face amount of $125.0 million and repaid the remaining $50.0 million at par. The new mortgage loan bears interest at 3.83% and matures on June 5, 2027.

On June 23, 2017, we issued $400.0 million aggregate principal amount of fixed rate senior unsecured notes in two separate series. We issued $300.0 million of 3.25% notes that mature on July 15, 2027, which were offered at 99.083% of the principal amount, with a yield to maturity of 3.358%. Additionally, we issued $100.0 million of 4.50% notes due December 1, 2044. The 4.50% notes were offered at 105.760% of the principal amount, with a yield to maturity of 4.143%, and have the same terms and are of the same series as the senior notes first issued on November 14, 2014. Our net proceeds from the June note offering after net issuance premium, underwriting fees and other costs was approximately $399.5 million.

F-20

In connection with the acquisition of six shopping centers in Los Angeles County, California on August 2, 2017 (as further discussed in Note 3), we assumed mortgage loans with a face amount of $79.4 million and a fair value of $80.1 million. The mortgage loans are secured by the individual properties with the following contractual terms:

	Principal		Stated Interest Rate		Maturity Date
	(in millions)
Sylmar Towne Center	$	17.5	5.39	%	June 6, 2021
Plaza Del Sol	8.6		5.23	%	December 1, 2021
Azalea	40.0		3.73	%	November 1, 2025
Bell Gardens	13.3		4.06	%	August 1, 2026

On August 31, 2017, we refinanced the $41.8 million mortgage loan on The Grove at Shrewsbury (East) at a face amount of $43.6 million. The new mortgage loan bears interest at 3.77% and matures on September 1, 2027.

On December 21, 2017, we issued $175.0 million aggregate principal amount of 3.25% senior unsecured notes due July 15, 2027. The notes have the same terms and are of the same series as the $300.0 million senior notes issued on June 23, 2017. The notes were offered at 99.404% of the principal amount, with a yield to maturity of 3.323%. Our net proceeds from the December note offering after issuance discount, underwriting fees and other costs were approximately $172.5 million. The proceeds were used on December 31, 2017 to repay our $150.0 million5.90% notes prior to the original maturity date of April 1, 2020. The redemption price of $164.1 million included a make-whole premium of $11.9 million and accrued but unpaid interest of $2.2 million. The make-whole premium is included in "early extinguishment of debt" in 2017.

During 2017, 2016 and 2015, the maximum amount of borrowings outstanding under our $800.0 million revolving credit facility was $344.0 million, $251.5 million and $324.0 million, respectively. The weighted average amount of borrowings outstanding was $147.5 million, $77.3 million and $109.7 million, respectively, and the weighted average interest rate, before amortization of debt fees, was 1.9%, 1.3% and 1.1%, respectively. The revolving credit facility requires an annual facility fee of $1.0 million. At December 31, 2017, our revolving credit facility had $41.0 million outstanding, and had no balance outstanding at December 31, 2016.

Our revolving credit facility, term loan, and certain notes require us to comply with various financial covenants, including the maintenance of minimum shareholders’ equity and debt coverage ratios and a maximum ratio of debt to net worth. As of December 31, 2017, we were in compliance with all default related debt covenants.

Scheduled principal payments on mortgages payable, notes payable, senior notes and debentures as of December 31, 2017 are as follows:

	Mortgages Payable		Notes Payable			Senior Notes and Debentures		Total Principal
	(In thousands)
Year ending December 31,
2018	$	16,228	$	275,506	(1)	$	—	$	291,734
2019	25,820		563			—		26,383
2020	65,539		41,624		(2)	—		107,163
2021	30,541		694			250,000		281,235
2022	117,018		771			250,000		367,789
Thereafter	236,415		1,661			1,919,200		2,157,276
	$	491,561	$	320,819		$	2,419,200	$	3,231,580	(3)

 _____________________

(1) Our $275.0 million unsecured term loan matures on November 21, 2018, subject to a one-year extension at our option.

(2) Our $800.0 million revolving credit facility matures on April 20, 2020, subject to two six-month extensions at our option. As of December 31, 2017, there was $41.0 million outstanding under this credit facility.

(3) The total debt maturities differ from the total reported on the consolidated balance sheet as of December 31, 2017 due to the unamortized premium/(discount) and debt issuance costs on mortgage loans, notes payable, and senior notes.

F-21

Future minimum lease payments and their present value for property under capital leases as of December 31, 2017, are as follows:

	(In thousands)
Year ending December 31,
2018	$	5,800
2019	5,800
2020	5,800
2021	5,800
2022	5,810
Thereafter	142,425
	171,435
Less amount representing interest	(99,879		)
Present value	$	71,556

NOTE 6—FAIR VALUE OF FINANCIAL INSTRUMENTS

A fair value measurement is based on the assumptions that market participants would use in pricing an asset or liability in an orderly transaction. The hierarchy for inputs used in measuring fair value are as follows:

1. Level 1 Inputs—quoted prices in active markets for identical assets or liabilities

2. Level 2 Inputs—observable inputs other than quoted prices in active markets for identical assets and liabilities

3. Level 3 Inputs—prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for disclosure purposes, the level within which the fair value measurement is categorized is based on the lowest level input that is significant to the fair value measurement.

Except as disclosed below, the carrying amount of our financial instruments approximates their fair value. The fair value of our mortgages payable, notes payable and senior notes and debentures is sensitive to fluctuations in interest rates. Quoted market prices (Level 1) were used to estimate the fair value of our marketable senior notes and debentures and discounted cash flow analysis (Level 2) is generally used to estimate the fair value of our mortgages and notes payable. Considerable judgment is necessary to estimate the fair value of financial instruments. The estimates of fair value presented herein are not necessarily indicative of the amounts that could be realized upon disposition of the financial instruments. A summary of the carrying amount and fair value of our mortgages payable, notes payable and senior notes and debentures is as follows:

	December 31, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Mortgages and notes payable	$	811,770	$	824,419	$	750,268	$	760,260
Senior notes and debentures	$	2,401,440	$	2,498,445	$	1,976,594	$	2,015,973

As of December 31, 2017, we have two interest rate swap agreements with a notional amount of $275.0 million that are measured at fair value on a recurring basis. The interest rate swap agreements fix the variable portion of our $275.0 million term loan at 1.72% through November 1, 2018. The fair values of the interest rate swap agreements are based on the estimated amounts we would receive or pay to terminate the contracts at the reporting date and are determined using interest rate pricing models and interest rate related observable inputs. The fair value of our swaps at December 31, 2017 was an asset of less than$0.1 million and is included in "prepaid expenses and other assets" on our consolidated balance sheets, and at December 31, 2016 was a liability of $2.6 million, and is included in "accounts payable and accrued expenses." The value of our interest rate swaps increased $2.6 million and $1.5 million (including $1.8 million and $3.5 million respectively, reclassified from other comprehensive income/(loss) to earnings) for 2017 and 2016, respectively. These changes in value are included in

F-22

"accumulated other comprehensive income (loss)." A summary of our financial assets/(liabilities) that are measured at fair value on a recurring basis, by level within the fair value hierarchy is as follows:

	December 31, 2017								December 31, 2016
	Level 1		Level 2		Level 3		Total		Level 1		Level 2			Level 3		Total
	(In thousands)
Interest rate swaps	$	—	$	22	$	—	$	22	$	—	$	(2,577	)	$	—	$	(2,577	)

NOTE 7—COMMITMENTS AND CONTINGENCIES

We are sometimes involved in lawsuits, warranty claims, and environmental matters arising in the ordinary course of business. Management makes assumptions and estimates concerning the likelihood and amount of any potential loss relating to these matters.

We are currently a party to various legal proceedings. We accrue a liability for litigation if an unfavorable outcome is probable and the amount of loss can be reasonably estimated. If an unfavorable outcome is probable and a reasonable estimate of the loss is a range, we accrue the best estimate within the range; however, if no amount within the range is a better estimate than any other amount, the minimum within the range is accrued. Legal fees related to litigation are expensed as incurred. Other than as described below, we do not believe that the ultimate outcome of these matters, either individually or in the aggregate, could have a material adverse effect on our financial position or overall trends in results of operations; however, litigation is subject to inherent uncertainties. Also under our leases, tenants are typically obligated to indemnify us from and against all liabilities, costs and expenses imposed upon or asserted against us (1) as owner of the properties due to certain matters relating to the operation of the properties by the tenant, and (2) where appropriate, due to certain matters relating to the ownership of the properties prior to their acquisition by us.

In November 2016, we were included as a defendant in a class action lawsuit, in the circuit court for Montgomery County, Maryland, related to predatory towing by a third party company we had retained to provide towing services at several of our properties in Montgomery County, Maryland. We, individually and collectively with other members of the more than 500 property owner defendant class, have undertaken numerous legal actions to challenge property owner liability in this case, including challenging the certification of the class as a matter of law; however, all of these legal actions have been unsuccessful. Given the costs and risks of continuing litigation on this matter, we elected to participate in a settlement for which our share is approximately $0.4 million. We expect that this settlement amount will be reimbursed by insurance. The settlement did not cover liability for certain tows that were included in the lawsuit that the defendant class believes cannot be pursued because of the statute of limitations. Accordingly, we do not believe we should have any additional liability for these remaining tows; however, if we are unsuccessful in dismissing these tows from the litigation, our liability would be approximately $0.2 million assuming payment on the same terms as the settlement.

We are self-insured for general liability costs up to predetermined retained amounts per claim, and we believe that we maintain adequate accruals to cover our retained liability. We currently do not maintain third party stop-loss insurance policies to cover liability costs in excess of predetermined retained amounts. Our accrual for self-insurance liability is determined by management and is based on claims filed and an estimate of claims incurred but not yet reported. Management considers a number of factors, including third-party actuarial analysis, previous experience in our portfolio, and future increases in costs of claims, when making these determinations. If our liability costs exceed these accruals, it will reduce our net income.

We reserve for estimated losses, if any, associated with warranties given to a buyer at the time real estate is sold or other potential liabilities relating to that sale, taking any insurance policies into account. These warranties may extend up to ten years and require significant judgment. If changes in facts and circumstances indicate that warranty reserves are understated, we will accrue additional reserves at such time a liability has been incurred and the costs can be reasonably estimated. Warranty reserves are released once the legal liability period has expired or all related work has been substantially completed. During 2016, the legal liability period relating to our latent defect warranty on condominiums sold at Santana Row expired. Upon expiration, we released the remaining $4.9 million warranty reserve which is included in "gain on sale of real estate and change in control of interests" in the consolidated statement of comprehensive income for the year ended December 31, 2016.

At December 31, 2017 and 2016, our reserves for general liability costs were $3.3 million and $2.8 million, respectively, and are included in “accounts payable and accrued expenses” in our consolidated balance sheets. Any potential losses which exceed our estimates would result in a decrease in our net income. During 2017 and 2016, we made payments from these reserves of $1.4 million and $2.0 million, respectively. Although we consider the reserve to be adequate, there can be no assurance that the reserve will prove to be adequate over-time to cover losses due to the difference between the assumptions used to estimate the reserve and actual losses.

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At December 31, 2017, we had letters of credit outstanding of approximately $1.3 million.

As of December 31, 2017 in connection with capital improvement, development, and redevelopment projects, the Trust has contractual obligations of approximately $326.6 million.

We are obligated under ground lease agreements on several shopping centers requiring minimum annual payments as follows, as of December 31, 2017:

	(In thousands)
Year ending December 31,
2018	$	4,583
2019	4,737
2020	4,749
2021	4,757
2022	4,873
Thereafter	188,132
	$	211,831

A master lease for Mercer Mall includes a fixed purchase price option for $55 million in 2023. If we fail to exercise our purchase option, the owner of Mercer Mall has a put option which would require us to purchase Mercer Mall for $60 million in 2025.

Under the terms of the Congressional Plaza partnership agreement, a minority partner has the right to require us and the other minority partner to purchase its 26.63% interest in Congressional Plaza at the interest’s then-current fair market value. If the other minority partner defaults in their obligation, we must purchase the full interest. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $81 million to $85 million.

A master lease for Melville Mall includes a fixed purchase price option in 2021 for $5 million. If we fail to exercise our purchase option, the owner of Melville Mall has a put option which would require us to purchase Melville Mall in 2023 for $5 million.

The other member in Montrose Crossing has the right to require us to purchase all of its 10.1% interest in Montrose Crossing at the interest's then-current fair market value. If the other member fails to exercise its put option, we have the right to purchase its interest on or after December 27, 2021 at fair market value. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $12 million to $13 million.

Two of the members in Plaza El Segundo have the right to require us to purchase their 10.0% and 11.8% ownership interests at the interests' then-current fair market value. If the members fail to exercise their put options, we have the right to purchase each of their interests on or after December 30, 2026 at fair market value. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $26 million to $29 million.

Effective January 1, 2017, the other member in The Grove at Shrewsbury and Brook 35 has the right to require us to purchase all of its approximately 4.8% interest in The Grove at Shrewsbury and approximately 8.8% interest in Brook 35 at the interests' then-current fair market value. Based on management's current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from $9 million to $10 million.

Under the terms of certain partnership agreements, the partners have the right to exchange their operating partnership units for cash or the same number of our common shares, at our option. A total of 787,962 downREIT operating partnership units are outstanding which have a total fair value of $104.6 million, based on our closing stock price on December 31, 2017.

NOTE 8—SHAREHOLDERS’ EQUITY

We have a Dividend Reinvestment Plan (the “Plan”), whereby shareholders may use their dividends and optional cash payments to purchase shares. In 2017, 2016 and 2015, 17,911 shares, 15,619 shares and 16,524 shares, respectively, were issued under the Plan.

On September 29, 2017, we issued 6,000,000 Depository Shares, each representing 1/1000th interest of 5.0% Series C Cumulative Redeemable Preferred Share, par value $0.01 per share ("Series C Preferred Shares"), at the liquidation preference of $25.00 per depository share (or $25,000 per Series C Preferred share) in an underwritten public offering. The Series C

F-24

Preferred Shares accrue dividends at a rate of 5.0% of the $25,000 liquidation preference per year and are redeemable at our option on or after September 29, 2022. Additionally, they are not convertible and holders of these shares generally have no voting rights, unless we fail to pay dividends for six or more quarters. The net proceeds after underwriting fees and other costs were approximately $145.0 million.

As of December 31, 2017, 2016, and 2015, we had 399,896 shares of 5.417% Series 1 Cumulative Convertible Preferred Shares (“Series 1 Preferred Shares”) outstanding that have a liquidation preference of $25 per share and par value $0.01 per share. The Series 1 Preferred Shares accrue dividends at a rate of 5.417% per year and are convertible at any time by the holders to our common shares at a conversion rate of $104.69 per share. The Series 1 Preferred Shares are also convertible under certain circumstances at our election. The holders of the Series 1 Preferred Shares have no voting rights.

On November 4, 2016, we replaced our existing at-the-market (“ATM”) equity program with a new ATM equity program in which we may from time to time offer and sell common shares having an aggregate offering price of up to $400.0 million. We intend to use the net proceeds to fund potential acquisition opportunities, fund our development and redevelopment pipeline, repay amounts of outstanding under our revolving credit facility and/or for general corporate purposes. For the year ended December 31, 2017, we issued 826,517 common shares at a weighted average price per share of $132.56 for net cash proceeds of $108.3 million and paid $1.1 million in commissions and $0.2 million in additional offering expenses related to the sales of these common shares. For the year ended December 31, 2016, we issued 1,156,571 common shares at a weighted average price per share of $152.92 for net cash proceeds of $174.8 million and paid $1.8 million in commissions and $0.2 million in additional offering expenses related to the sales of these common shares. As of December 31, 2017, we had the capacity to issue up to $261.3 million in common shares under our ATM equity program.

NOTE 9—DIVIDENDS

The following table provides a summary of dividends declared and paid per share:

	Year Ended December 31,
	2017				2016				2015
	Declared		Paid		Declared		Paid		Declared		Paid
Common shares	$	3.960	$	3.940	$	3.840	$	3.800	$	3.620	$	3.550
5.417% Series 1 Cumulative Convertible Preferred shares	$	1.354	$	1.354	$	1.354	$	1.354	$	1.354	$	1.354
5.0% Series C Cumulative Redeemable Preferred shares (1)	$	0.368	$	—	$	—	$	—	$	—	$	—
(1) Amount represents dividends per depository share, each representing 1/1000th of a share.

A summary of the income tax status of dividends per share paid is as follows:

	Year Ended December 31,
	2017		2016		2015
Common shares
Ordinary dividend	$	3.940	$	3.800	$	3.515
Capital gain	—		—		0.035
	$	3.940	$	3.800	$	3.550
5.417% Series 1 Cumulative Convertible Preferred shares
Ordinary dividend	$	1.354	$	1.354	$	1.340
Capital gain	—		—		0.014
	$	1.354	$	1.354	$	1.354

On November 1, 2017, the Trustees declared a quarterly cash dividend of $1.00 per common share, payable January 16, 2018 to common shareholders of record on January 2, 2018.

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NOTE 10—OPERATING LEASES

At December 31, 2017, our 104 predominantly retail shopping center and mixed-use properties are located in 12 states and the District of Columbia. There are approximately 3,000 leases with tenants providing a wide range of retail products and services. These tenants range from sole proprietorships to national retailers; no one tenant or corporate group of tenants accounts for more than 2.9% of annualized base rent.

Our leases with commercial property and residential tenants are classified as operating leases. Commercial property leases generally range from three to ten years (certain leases with anchor tenants may be longer), and in addition to minimum rents, may provide for percentage rents based on the tenant’s level of sales achieved and cost recoveries for the tenant’s share of certain operating costs. Leases on apartments are generally for a period of 1 year or less.

As of December 31, 2017, minimum future commercial property rentals from noncancelable operating leases, before any reserve for uncollectible amounts and assuming no early lease terminations, at our operating properties are as follows:

	(In thousands)
Year ending December 31,
2018	$	593,461
2019	537,822
2020	474,369
2021	401,869
2022	328,302
Thereafter	1,402,509
	$	3,738,332

NOTE 11—COMPONENTS OF RENTAL INCOME AND EXPENSE

The principal components of rental income are as follows:

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Minimum rents
Retail and commercial	$	585,178	$	549,552	$	509,825
Residential	55,416		49,465		42,797
Cost reimbursement	171,528		158,042		148,110
Percentage rent	11,148		10,977		11,911
Other	18,191		18,547		15,169
Total rental income	$	841,461	$	786,583	$	727,812

Minimum rents include the following:

	Year Ended December 31,
	2017		2016		2015
	(In millions)
Straight-line rents	$	12.9	$	8.1	$	7.6
Net amortization of above and below market leases	$	4.7	$	1.8	$	2.7

F-26

The principal components of rental expenses are as follows:

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Repairs and maintenance	$	67,996	$	64,942	$	62,420
Utilities	25,763		24,968		23,003
Management fees and costs	22,297		20,823		18,639
Payroll	14,922		13,832		12,673
Marketing	9,007		8,520		9,046
Insurance	7,762		7,758		7,875
Ground rent	3,826		2,561		2,540
Bad debt expense	2,591		2,375		1,168
Other operating	10,726		12,547		10,229
Total rental expenses	$	164,890	$	158,326	$	147,593

NOTE 12—SHARE-BASED COMPENSATION PLANS

A summary of share-based compensation expense included in net income is as follows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
Grants of common shares and options	$	12,371		$	11,227		$	12,074
Capitalized share-based compensation	(1,385		)	(1,310		)	(868		)
Share-based compensation expense	$	10,986		$	9,917		$	11,206

As of December 31, 2017, we have grants outstanding under two share-based compensation plans. In May 2010, our shareholders approved the 2010 Performance Incentive Plan, as amended (the "2010 Plan”), which authorized the grant of share options, common shares and other share-based awards for up to 2,450,000 common shares of beneficial interest. Our 2001 Long Term Incentive Plan (the “2001 Plan”), which expired in May 2010, authorized the grant of share options, common shares and other share-based awards of 3,250,000 common shares of beneficial interest.

Option awards under both plans are required to have an exercise price at least equal to the closing trading price of our common shares on the date of grant. Options and restricted share awards under these plans generally vest over three to seven years and option awards typically have a ten-year contractual term. We pay dividends on unvested shares. Certain options and share awards provide for accelerated vesting if there is a change in control. Additionally, the vesting on certain option and share awards can accelerate in part or in full upon retirement based on the age of the retiree or upon termination without cause.

The fair value of each option award is estimated on the date of grant using the Black-Scholes model. Expected volatilities, term, dividend yields, employee exercises and estimated forfeitures are primarily based on historical data. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The fair value of each share award is determined based on the closing trading price of our common shares on the grant date. No options were granted in 2017 and 2015.

The following table provides a summary of the weighted-average assumption used to value options granted in 2016:

Volatility	18.8	%
Expected dividend yield	2.8	%
Expected term (in years)	6.0
Risk free interest rate	1.5	%

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The following table provides a summary of option activity for 2017:

	Shares Under Option		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
					(In years)	(In thousands)
Outstanding at December 31, 2016	259,119		$	56.66
Granted	—		—
Exercised	(152,634	)	65.37
Forfeited or expired	—		—
Outstanding at December 31, 2017	106,485		$	44.18	1.2	$	9,451
Exercisable at December 31, 2017	105,939		$	43.62	1.1	$	9,451

The weighted-average grant-date fair value of options granted in 2016 was $19.52 per share. The total cash received from options exercised during 2017, 2016 and 2015 was $10.0 million, $4.5 million and $2.0 million, respectively. The total intrinsic value of options exercised during the years ended December 31, 2017, 2016 and 2015 was $10.7 million, $4.2 million and $2.1 million, respectively.

The following table provides a summary of restricted share activity for 2017:

	Shares		Weighted-Average Grant-Date Fair Value
Unvested at December 31, 2016	217,353		$	142.70
Granted	109,815		139.31
Vested	(87,704	)	131.55
Forfeited	(2,293	)	142.09
Unvested at December 31, 2017	237,171

The weighted-average grant-date fair value of stock awarded in 2017, 2016 and 2015 was $139.31, $152.70 and $141.08, respectively. The total vesting-date fair value of shares vested during the year ended December 31, 2017, 2016 and 2015, was $12.5 million, $13.8 million and $26.1 million, respectively.

As of December 31, 2017, there was $17.6 million of total unrecognized compensation cost related to unvested share-based compensation arrangements (i.e. options and unvested shares) granted under our plans. This cost is expected to be recognized over the next 6.4 years with a weighted-average period of 2.2 years.

Subsequent to December 31, 2017, common shares were awarded under various compensation plans as follows:

Date	Award		Vesting Term	Beneficiary
January 2, 2018	5,416	Shares	Immediate	Trustees
February 7, 2018	92,552	Restricted shares	3-4 years	Officers and key employees
February 7, 2018	488	Options	5 years	Officers and key employees

NOTE 13—SAVINGS AND RETIREMENT PLANS

We have a savings and retirement plan in accordance with the provisions of Section 401(k) of the Code. Generally, employees can elect, at their discretion, to contribute a portion of their compensation up to a maximum of $18,000 for 2017, 2016, and 2015. Under the plan, we contribute 50% of each employee’s elective deferrals up to 5% of eligible earnings. In addition, we may make discretionary contributions within the limits of deductibility set forth by the Code. Our full-time employees are immediately eligible to become plan participants. Employees are eligible to receive matching contributions immediately on their participation; however, these matching payments will not vest until their third anniversary of employment. Our expense for the years ended December 31, 2017, 2016 and 2015 was approximately $632,000, $602,000 and $504,000, respectively.

A non-qualified deferred compensation plan for our officers and certain other employees was established in 1994 that allows the participants to defer a portion of their income. As of December 31, 2017 and 2016, we are liable to participants for approximately $12.8 million and $10.5 million, respectively, under this plan. Although this is an unfunded plan, we have purchased certain investments to match this obligation. Our obligation under this plan and the related investments are both included in the accompanying consolidated financial statements.

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NOTE 14—EARNINGS PER SHARE

We have calculated earnings per share (“EPS”) under the two-class method. The two-class method is an earnings allocation methodology whereby EPS for each class of common stock and participating securities is calculated according to dividends declared and participation rights in undistributed earnings. For 2017, 2016, and 2015 we had 0.2 million weighted average unvested shares outstanding, which are considered participating securities. Therefore, we have allocated our earnings for basic and diluted EPS between common shares and unvested shares; the portion of earnings allocated to the unvested shares is reflected as “earnings allocated to unvested shares” in the reconciliation below.

In the dilutive EPS calculation, dilutive stock options were calculated using the treasury stock method consistent with prior periods. There were 682 anti-dilutive stock options in 2017, and no anti-dilutive stock options in 2016 or 2015. The conversions of downREIT operating partnership units and 5.417% Series 1 Cumulative Convertible Preferred Shares are anti-dilutive for all periods presented and accordingly, have been excluded from the weighted average common shares used to compute diluted EPS.

	Year Ended December 31,
	2017			2016			2015
	(In thousands, except per share data)
NUMERATOR
Income from continuing operations	$	219,948		$	226,425		$	190,094
Less: Preferred share dividends	(2,458		)	(541		)	(541		)
Less: Income from continuing operations attributable to noncontrolling interests	(7,666		)	(7,648		)	(8,205		)
Less: Earnings allocated to unvested shares	(942		)	(702		)	(797		)
Income from continuing operations available for common shareholders	208,882			217,534			180,551
Gain on sale of real estate and change in control of interests, net	77,632			31,133			28,330
Net income available for common shareholders, basic and diluted	$	286,514		$	248,667		$	208,881
DENOMINATOR
Weighted average common shares outstanding—basic	72,117			70,877			68,797
Effect of dilutive securities:
Stock options	116			172			184
Weighted average common shares outstanding—diluted	72,233			71,049			68,981
EARNINGS PER COMMON SHARE, BASIC
Net income available for common shareholders	$	3.97		$	3.51		$	3.04
EARNINGS PER COMMON SHARE, DILUTED
Net income available for common shareholders	$	3.97		$	3.50		$	3.03
Income from continuing operations attributable to the Trust	$	212,282		$	218,777		$	181,889

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NOTE 15—SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

Summarized quarterly financial data is as follows:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands, except per share data)
2017
Revenue	$	207,389	$	208,049	$	217,953	$	223,957
Operating income	$	81,544	$	83,090	$	84,497	$	83,157
Net income(1)	$	58,070	$	78,133	$	108,882	$	52,785
Net income attributable to the Trust(1)	$	56,190	$	76,291	$	106,777	$	50,656
Net income available for common shareholders(1)	$	56,055	$	76,156	$	106,600	$	48,645
Earnings per common share—basic(1)	$	0.78	$	1.05	$	1.47	$	0.67
Earnings per common share—diluted(1)	$	0.78	$	1.05	$	1.47	$	0.67
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands, except per share data)
2016
Revenue	$	198,344	$	197,981	$	201,157	$	204,109
Operating income	$	76,922	$	80,135	$	80,461	$	83,477
Net income(2)	$	79,063	$	58,898	$	61,198	$	59,724
Net income attributable to the Trust(2)	$	76,955	$	55,941	$	58,977	$	58,037
Net income available for common shareholders(2)	$	76,820	$	55,806	$	58,841	$	57,902
Earnings per common share—basic(2)	$	1.10	$	0.79	$	0.82	$	0.81
Earnings per common share—diluted(2)	$	1.10	$	0.78	$	0.82	$	0.80

(1) Second quarter 2017 includes a $15.4 million gain related to the sale of three ground lease parcels at our Assembly Row property in Somerville, Massachusetts. Third quarter 2017 includes a $50.8 million gain on sale of real estate from our 150 Post Street and North Lake Commons properties. Fourth quarter 2017 includes a $6.5 million gain related to the sale of a parcel of land at our Bethesda Row property. Additionally, second, third, and fourth quarter 2017 include net percentage-of-completion gains of $3.3 million, $0.6 million, and $1.5 million, respectively, related to condominiums under binding contract at our Assembly Row property. All of these transactions are further discussed in Note 3. Fourth quarter 2017 includes a $12.3 million early extinguishment of debt charge as further discussed in Note 5.

(2) First quarter 2016 includes a $25.7 million gain on change in control of interests from our Clarion Partners acquisition as further discussed in Note 3. Third quarter 2016 includes a $4.9 million gain on sale from the reversal of our warranty reserve on condominiums sold at Santana Row as further discussed in Note 7.

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FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B		COLUMN C				COLUMN D		COLUMN E						COLUMN F		COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance		Initial cost to company				Cost Capitalized Subsequent to Acquisition		Gross amount at which carried at close of period						Accumulated Depreciation and Amortization		Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
				Land		Building and Improvements				Land		Building and Improvements		Total
29TH PLACE (Virginia)	VA	$	4,312	$	10,211	$	18,863	$	11,973	$	10,195	$	30,852	$	41,047	$	12,144	1975 - 2001	5/30/2007	35 years
ANDORRA (Pennsylvania)	PA			2,432		12,346		11,161		2,432		23,507		25,939		19,028		1953	1/12/1988	35 years
ASSEMBLY ROW/ASSEMBLY SQUARE MARKETPLACE (Massachusetts)	MA			93,252		34,196		564,077		69,421		622,104		691,525		43,659		2005, 2012-2017	2005-2013	35 years
ATLANTIC PLAZA (Massachusetts)	MA			6,293		17,109		2,325		6,293		19,434		25,727		1,863		1960	1/13/2016	35 years
AZALEA (California)	CA	39,609		40,219		67,117		4		40,219		67,121		107,340		1,049		2014	8/2/2017	35 years
BALA CYNWYD (Pennsylvania)	PA			3,565		14,466		23,443		2,581		38,893		41,474		20,299		1955	9/22/1993	35 years
BARCROFT PLAZA (Virginia)	VA			12,617		29,603		3,279		12,617		32,882		45,499		2,030		1963, 1972, 1990, & 2000	1/13/16 & 11/7/16	35 years
BARRACKS ROAD (Virginia)	VA			4,363		16,459		47,088		4,363		63,547		67,910		42,077		1958	12/31/1985	35 years
BELL GARDENS (California)	CA	12,682		18,021		82,470		159		18,021		82,629		100,650		1,843		1990, 2003, 2006	8/2/2017	35 years
BETHESDA ROW (Maryland)	MD			46,579		35,406		144,089		43,896		182,178		226,074		73,883		1945-2008	12/31/93, 6/2/97, 1/20/06, 9/25/08, 9/30/08, & 12/27/10	35 - 50 years
BRICK PLAZA (New Jersey)	NJ			—		24,715		51,757		3,945		72,527		76,472		47,932		1958	12/28/1989	35 years
BRISTOL PLAZA (Connecticut)	CT			3,856		15,959		11,849		3,856		27,808		31,664		17,680		1959	9/22/1995	35 years
BROOK 35 (New Jersey)	NJ	11,263		7,128		38,355		2,043		7,128		40,398		47,526		5,494		1986/2004	1/1/2014	35 years
CAMPUS PLAZA (Massachusetts)	MA			16,710		13,412		429		16,710		13,841		30,551		1,243		1970	1/13/2016	35 years
CHELSEA COMMONS (Massachusetts)	MA	6,037		9,417		19,466		14,015		9,396		33,502		42,898		8,509		1962/1969/2008	8/25/06, 1/30/07, & 7/16/08	35 years

F-31

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
COCOWALK (Florida)	FL		35,063	71,476	9,881	34,406	82,014	116,420	6,536	1990/1994, 1922-1973	5/4/15, 7/1/15, 12/16/15, 7/26/16, 6/30/17, & 8/10/17	35 years
COLORADO BLVD (California)	CA		5,262	4,071	10,184	5,262	14,255	19,517	10,678	1905-1988	12/31/96 & 8/14/98	35 years
CONGRESSIONAL PLAZA (Maryland)	MD		2,793	7,424	92,104	1,020	101,301	102,321	53,731	1965/2003	4/1/1965	35 years
COURTHOUSE CENTER (Maryland)	MD		1,750	1,869	1,532	1,750	3,401	5,151	1,923	1975	12/17/1997	35 years
CROSSROADS (Illinois)	IL		4,635	11,611	16,882	4,635	28,493	33,128	16,494	1959	7/19/1993	35 years
CROW CANYON COMMONS (California)	CA		27,245	54,575	8,525	27,245	63,100	90,345	21,704	Late 1970's/ 1998/2006	12/29/05 & 2/28/07	35 years
DARIEN (Connecticut)	CT		29,809	18,302	1,862	29,809	20,164	49,973	3,075	1920-2009	4/3/2013	35 years
DEDHAM PLAZA (Massachusetts)	MA		14,841	12,918	13,317	14,841	26,235	41,076	15,380	1959	12/31/93 & 12/14/16	35 years
DEL MAR VILLAGE (Florida)	FL		15,624	41,712	8,057	15,587	49,806	65,393	20,432	1982/1994/2007	5/30/08, 7/11/08, & 10/14/14	35 years
EAST BAY BRIDGE (California)	CA		29,079	138,035	11,772	29,079	149,807	178,886	25,229	1994-2001, 2011/2012	12/21/2012	35 years
EASTGATE CROSSING (North Carolina)	NC		1,608	5,775	26,981	1,608	32,756	34,364	19,622	1963	12/18/1986	35 years
ELLISBURG (New Jersey)	NJ		4,028	11,309	19,211	4,013	30,535	34,548	20,099	1959	10/16/1992	35 years
ESCONDIDO PROMENADE (California)	CA		19,117	15,829	14,530	19,117	30,359	49,476	16,037	1987	12/31/96 & 11/10/10	35 years
FALLS PLAZA (Virginia)	VA		1,798	1,270	10,943	1,819	12,192	14,011	8,664	1960/1962	9/30/67 & 10/05/72	25 years
FEDERAL PLAZA (Maryland)	MD		10,216	17,895	41,769	10,216	59,664	69,880	42,794	1970	6/29/1989	35 years
FINLEY SQUARE (Illinois)	IL		9,252	9,544	19,604	9,252	29,148	38,400	19,836	1974	4/27/1995	35 years
FLOURTOWN (Pennsylvania)	PA		1,345	3,943	11,666	1,345	15,609	16,954	5,981	1957	4/25/1980	35 years
FOURTH STREET (California)	CA		13,928	9,909	39	13,928	9,948	23,876	248	1948,1975	5/19/2017	35 years

F-32

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
FREE STATE SHOPPING CENTER (Maryland)	MD		18,581	41,658	4,538	18,581	46,196	64,777	3,741	1970	1/13/2016	35 years
FRESH MEADOWS (New York)	NY		24,625	25,255	40,395	24,633	65,642	90,275	37,948	1946-1949	12/5/1997	35 years
FRIENDSHIP CENTER (District of Columbia)	DC		12,696	20,803	4,616	12,696	25,419	38,115	11,917	1998	9/21/2001	35 years
GAITHERSBURG SQUARE (Maryland)	MD		7,701	5,271	14,468	5,973	21,467	27,440	17,830	1966	4/22/1993	35 years
GARDEN MARKET (Illinois)	IL		2,677	4,829	6,909	2,677	11,738	14,415	7,569	1958	7/28/1994	35 years
GOVERNOR PLAZA (Maryland)	MD		2,068	4,905	20,319	2,068	25,224	27,292	20,241	1963	10/1/1985	35 years
GRAHAM PARK PLAZA (Virginia)	VA		1,237	15,096	18,874	1,169	34,038	35,207	28,053	1971	7/21/1983	35 years
GRATIOT PLAZA (Michigan)	MI		525	1,601	17,702	525	19,303	19,828	17,270	1964	3/29/1973	25.75 years
GREENLAWN PLAZA (New York)	NY		10,590	20,869	245	10,590	21,114	31,704	1,756	1975/2004	1/13/2016	35 years
GREENWICH AVENUE (Connecticut)	CT		7,484	5,444	1,199	7,484	6,643	14,127	4,170	1968	4/12/1995	35 years
HASTINGS RANCH PLAZA (California)	CA		—	22,393	236	—	22,629	22,629	699	1958, 1984, 2006, 2007	2/1/2017	35 years
HAUPPAUGE (New York)	NY		8,791	15,262	5,018	8,419	20,652	29,071	11,724	1963	8/6/1998	35 years
HERMOSA AVENUE (California)	CA		1,116	280	4,648	1,368	4,676	6,044	3,298	1922	9/17/1997	35 years
HOLLYWOOD BLVD (California)	CA		8,300	16,920	21,719	8,370	38,569	46,939	14,755	1929/1991	3/22/99 & 6/18/99	35 years
HUNTINGTON (New York)	NY		12,194	16,008	19,144	12,194	35,152	47,346	15,825	1962	12/12/88, 10/26/07, & 11/24/15	35 years
HUNTINGTON SQUARE (New York)	NY		—	10,075	2,106	—	12,181	12,181	3,317	1980/2004-2007	8/16/2010	35 years
IDYLWOOD PLAZA (Virginia)	VA		4,308	10,026	2,579	4,308	12,605	16,913	8,928	1991	4/15/1994	35 years
KINGS COURT (California)	CA		—	10,714	954	—	11,668	11,668	8,776	1960	8/24/1998	26 years
LANCASTER (Pennsylvania)	PA	4,907	—	2,103	12,010	75	14,038	14,113	8,212	1958	4/24/1980	22 years
LANGHORNE SQUARE (Pennsylvania)	PA		720	2,974	18,432	720	21,406	22,126	15,170	1966	1/31/1985	35 years

F-33

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
LAUREL (Maryland)	MD		7,458	22,525	27,344	7,464	49,863	57,327	37,461	1956	8/15/1986	35 years
LAWRENCE PARK (Pennsylvania)	PA		6,150	8,491	20,524	6,161	29,004	35,165	24,693	1972	7/23/1980 & 4/3/17	22 years
LEESBURG PLAZA (Virginia)	VA		8,184	10,722	17,582	8,184	28,304	36,488	14,689	1967	9/15/1998	35 years
LINDEN SQUARE (Massachusetts)	MA		79,382	19,247	50,074	79,347	69,356	148,703	22,208	1960-2008	8/24/2006	35 years
MELVILLE MALL (New York)	NY		35,622	32,882	20,096	35,622	52,978	88,600	12,458	1974	10/16/2006	35 years
MERCER MALL (New Jersey)	NJ	55,548	29,738	51,047	45,957	29,738	97,004	126,742	41,330	1975	10/14/03 & 1/31/17	25 - 35 years
MONTROSE CROSSING (Maryland)	MD	71,054	48,624	91,819	19,678	48,624	111,497	160,121	24,840	1960s, 1970s, 1996 & 2011	12/27/11 & 12/19/13	35 years
MOUNT VERNON/SOUTH VALLEY/7770 RICHMOND HWY. (Virginia)	VA		10,068	33,501	41,132	10,230	74,471	84,701	34,011	1966/1972/1987/2001	3/31/03, 3/21/03, & 1/27/06	35 years
NORTH DARTMOUTH (Massachusetts)	MA		9,366	—	3	9,366	3	9,369	—	2004	8/24/2006
NORTHEAST (Pennsylvania)	PA		1,152	10,596	18,679	1,153	29,274	30,427	20,496	1959	8/30/1983	35 years
OLD KEENE MILL (Virginia)	VA		638	998	6,212	638	7,210	7,848	5,418	1968	6/15/1976	33.33 years
OLD TOWN CENTER (California)	CA		3,420	2,765	30,997	3,420	33,762	37,182	21,217	1962, 1997-1998	10/22/1997	35 years
OLIVO AT MISSION HILLS (California)	CA		15,048	46,732	10,358	15,048	57,090	72,138	213	2017	8/2/2017	35 years
PAN AM (Virginia)	VA		8,694	12,929	7,610	8,695	20,538	29,233	15,159	1979	2/5/1993	35 years
PENTAGON ROW (Virginia)	VA		—	2,955	100,369	—	103,324	103,324	46,051	1999 - 2002	1998 & 11/22/10	35 years
PERRING PLAZA (Maryland)	MD		2,800	6,461	21,836	2,800	28,297	31,097	23,112	1963	10/1/1985	35 years
PIKE & ROSE (Maryland)	MD		31,471	10,335	543,484	29,903	555,387	585,290	23,148	1963, 2012-2017	5/18/82, 10/26/07, & 7/31/12	50 years
PIKE 7 PLAZA (Virginia)	VA		14,970	22,799	6,929	14,914	29,784	44,698	16,745	1968	3/31/97 & 7/8/15	35 years

F-34

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
PLAZA DEL MERCADO (Maryland)	MD		10,305	21,553	14,329	10,305	35,882	46,187	2,341	1969	1/13/2016	35 years
PLAZA DEL SOL (California)	CA	8,746	5,605	12,331	—	5,605	12,331	17,936	212	2009	8/2/2017	35 years
PLAZA EL SEGUNDO/THE POINT (California)	CA	124,151	62,127	153,556	65,337	64,463	216,557	281,020	39,623	2006/2007/2016	12/30/11, 6/14/13, 7/26/13, & 12/27/13	35 years
PLAZA PACOIMA (California)	CA		38,138	12,227	—	38,138	12,227	50,365	225	2010	8/2/2017	35 years
QUEEN ANNE PLAZA (Massachusetts)	MA		3,319	8,457	6,519	3,319	14,976	18,295	9,881	1967	12/23/1994	35 years
QUINCE ORCHARD (Maryland)	MD		3,197	7,949	27,772	2,928	35,990	38,918	19,478	1975	4/22/1993	35 years
RIVERPOINT CENTER (Illinois)	IL		15,422	104,575	82	15,422	104,657	120,079	2,626	1989, 2012	3/31/2017	35 years
ROCKVILLE TOWN SQUARE (Maryland)	MD	4,455	—	8,092	43,010	—	51,102	51,102	16,823	2005 - 2007	2006 - 2007	50 years
ROLLINGWOOD APTS. (Maryland)	MD	20,785	552	2,246	7,988	572	10,214	10,786	9,358	1960	1/15/1971	25 years
SAM'S PARK & SHOP (District of Columbia)	DC		4,840	6,319	1,679	4,840	7,998	12,838	5,158	1930	12/1/1995	35 years
SAN ANTONIO CENTER (California)	CA		39,920	32,466	1,334	39,920	33,800	73,720	4,714	1958, 1964-1965, 1974-1975, 1995-1997	1/9/2015	35 years
SANTANA ROW (California)	CA		66,682	7,502	788,049	57,578	804,655	862,233	182,514	1999-2006, 2009, 2011, 2014, 2016-2017	3/5/97, 7/13/12, 9/6/12, 4/30/13 & 9/23/13	40 - 50 years
SAUGUS PLAZA (Massachusetts)	MA		4,383	8,291	2,588	4,383	10,879	15,262	6,702	1976	10/1/1996	35 years
SYLMAR TOWNE CENTER (California)	CA	18,010	18,522	24,636	376	18,522	25,012	43,534	389	1973	8/2/2017	35 years
THE AVENUE AT WHITE MARSH (Maryland)	MD	52,489	20,682	72,432	23,014	20,685	95,443	116,128	32,066	1997	3/8/2007	35 years
THE GROVE AT SHREWSBURY (New Jersey)	NJ	53,218	18,016	103,115	3,886	18,021	106,996	125,017	13,884	1988/1993/2007	1/1/2014 & 10/6/14	35 years

F-35

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B		COLUMN C				COLUMN D		COLUMN E						COLUMN F		COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance		Initial cost to company				Cost Capitalized Subsequent to Acquisition		Gross amount at which carried at close of period						Accumulated Depreciation and Amortization		Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
				Land		Building and Improvements				Land		Building and Improvements		Total
THE SHOPPES AT NOTTINGHAM SQUARE (Maryland)	MD			4,441		12,849		254		4,441		13,103		17,544		4,912		2005 - 2006	3/8/2007	35 years
THE SHOPS AT SUNSET PLACE (Florida)	FL	69,149		64,499		50,853		8,160		64,499		59,013		123,512		6,629		1999	10/1/2015	35 years
THIRD STREET PROMENADE (California)	CA			22,645		12,709		43,309		25,125		53,538		78,663		32,281		1888-2000	1996-2000	35 years
TOWER SHOPPNG CENTER (Virginia)	VA			7,170		10,518		4,240		7,280		14,648		21,928		8,738		1953-1960	8/24/1998	35 years
TOWER SHOPS (Florida)	FL			29,940		43,390		24,219		29,962		67,587		97,549		15,761		1989	1/19/11 & 6/13/14	35 years
TOWN CENTER OF NEW BRITAIN (Pennsylvania)	PA			1,282		12,285		1,679		1,470		13,776		15,246		5,087		1969	6/29/2006	35 years
TOWSON RESIDENTIAL (FLATS @703) (Maryland)	MD			2,328		—		20,048		2,328		20,048		22,376		221		2016-2017	3/8/2007	35 years
TROY (New Jersey)	NJ			3,126		5,193		28,424		5,865		30,878		36,743		21,234		1966	7/23/1980	22 years
TYSON'S STATION (Virginia)	VA			388		453		3,825		475		4,191		4,666		3,737		1954	1/17/1978	17 years
VILLAGE AT SHIRLINGTON (Virginia)	VA	6,646		9,761		14,808		40,418		4,234		60,753		64,987		27,322		1940, 2006-2009	12/21/1995	35 years
WESTGATE CENTER (California)	CA			6,319		107,284		39,726		6,319		147,010		153,329		48,562		1960-1966	3/31/2004	35 years
WHITE MARSH PLAZA (Maryland)	MD			3,478		21,413		645		3,478		22,058		25,536		8,491		1987	3/8/2007	35 years
WHITE MARSH OTHER (Maryland)	MD			31,953		1,843		140		31,983		1,953		33,936		811		1985	3/8/2007	35 years
WILDWOOD (Maryland)	MD			9,111		1,061		10,291		9,111		11,352		20,463		8,839		1958	5/5/1969	33.33 years
WILLOW GROVE (Pennsylvania)	PA			1,499		6,643		22,115		1,499		28,758		30,257		26,206		1953	11/20/1984	35 years
WILLOW LAWN (Virginia)	VA			3,192		7,723		84,407		7,790		87,532		95,322		56,879		1957	12/5/1983	35 years
WYNNEWOOD (Pennsylvania)	PA			8,055		13,759		21,092		8,055		34,851		42,906		23,196		1948	10/29/1996	35 years
TOTALS		$	563,061	$	1,459,351	$	2,425,230	$	3,750,480	$	1,427,777	$	6,207,284	$	7,635,061	$	1,876,544

F-36

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Total Cost (in thousands)
Balance, December 31, 2014	$	5,608,998
Additions during period
Acquisitions	291,726
Improvements	281,471
Deduction during period—dispositions and retirements of property	(117,789		)
Balance, December 31, 2015	6,064,406
Additions during period
Acquisitions	229,296
Improvements	483,932
Deduction during period—dispositions and retirements of property	(18,561		)
Balance, December 31, 2016	6,759,073
Additions during period
Acquisitions	555,476
Improvements	492,541
Deduction during period—dispositions and retirements of property	(172,029		)
Balance, December 31, 2017 (1)	$	7,635,061

_____________________

(1) For Federal tax purposes, the aggregate cost basis is approximately $6.7 billion as of December 31, 2017.

F-37

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Accumulated Depreciation and Amortization (in thousands)
Balance, December 31, 2014	$	1,467,050
Additions during period—depreciation and amortization expense	156,513
Deductions during period—dispositions and retirements of property	(49,522		)
Balance, December 31, 2015	1,574,041
Additions during period—depreciation and amortization expense	173,244
Deductions during period—dispositions and retirements of property	(18,051		)
Balance, December 31, 2016	1,729,234
Additions during period—depreciation and amortization expense	193,340
Deductions during period—dispositions and retirements of property	(46,030		)
Balance, December 31, 2017	$	1,876,544

F-38

FEDERAL REALTY INVESTMENT TRUST SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE Year Ended December 31, 2017 (Dollars in thousands)
Column A	Column B	Column C	Column D	Column E		Column F		Column G			Column H
Description of Lien	Interest Rate	Maturity Date	Periodic Payment Terms	Prior Liens		Face Amount of Mortgages		Carrying Amount of Mortgages(1)			Principal Amount of Loans Subject to delinquent Principal or Interest
Mortgage on retail buildings in Philadelphia, PA	8% or 10% based on timing of draws, plus participation	May 2021	Interest only monthly; balloon payment due at maturity	$	—	$	21,179	$	21,179	(2)	$	—
Mortgage on retail buildings in Philadelphia, PA	10% plus participation	May 2021	Interest only monthly; balloon payment due at maturity	—		9,250		9,250			—
				$	—	$	30,429	$	30,429		$	—

_____________________

(1) For Federal tax purposes, the aggregate tax basis is approximately $30.4 million as of December 31, 2017.

(2) This mortgage is available for up to $25.0 million.

F-39

FEDERAL REALTY INVESTMENT TRUST SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Carrying Amount (in thousands)
Balance, December 31, 2014	$	50,988
Additions during period:
Issuance of loans	368
Deductions during period:
Collection and satisfaction of loans	(10,692		)
Amortization of discount	954
Balance, December 31, 2015	41,618
Deductions during period:
Collection and satisfaction of loans	(11,714		)
Balance, December 31, 2016	29,904
Additions during period:
Issuance of loans	525
Balance, December 31, 2017	$	30,429

F-40

EX-21.1

Exhibit 21.1

FEDERAL REALTY INVESTMENT TRUST AND SUBSIDIARIES

NAME OF SUBSIDIARY	STATE OF INCORPORATION OR ORGANIZATION
FR Associates Limited Partnership	Maryland
Andorra Associates	Pennsylvania
Governor Plaza Associates	Pennsylvania
Shopping Center Associates	Pennsylvania
Berman Enterprises II Limited Partnership	Maryland
FRIT Escondido Promenade, LLC	California
FRIT Leasing & Development Services, Inc.	Delaware
Congressional Plaza Associates, LLC	Maryland
FR Pike 7 Limited Partnership	Delaware
Federal/LPF GP, Inc.	Delaware
Federal Realty Partners L.P.	Delaware
FRLP, Inc.	Delaware
Federal Realty Partners, Inc.	Delaware
FR East Bay Bridge, LLC	Delaware
East Bay Bridge Retail, LLC	Delaware
Federal Realty Management Services, Inc.	Delaware
FRIT Solar, Inc.	Delaware
Santana Row ROF, Inc.	Delaware
FR Mercer Mall, Inc.	Delaware
FR Mercer Mall, LLC	Delaware
FR Westgate Mall, LLC	Delaware
FR Assembly Square, LLC	Delaware
FR Crow Canyon, LLC	Delaware
FR Linden Square, Inc.	Delaware
FR Chelsea Commons I, Inc.	Delaware
FR Chelsea Commons I, LLC	Delaware
FR White Marsh, Inc.	Maryland
Cordon Fairfield Business Trust	Maryland
Campbell-Philadelphia Business Trust	Maryland
Shoppes at Nottingham Square Business Trust	Maryland
Retail Properties Business Trust	Maryland
Nottingham Square Business Trust	Maryland
White Marsh Plaza, LLC	Maryland
White Marsh Plaza Limited Partnership	Maryland
White Marsh Plaza Business Trust	Maryland
Byron Station, LLC	Maryland
Byron Station Limited Partnership, LLLP	Maryland
The Avenue at White Marsh Business Trust	Maryland
NVI-Avenue, LLC	Maryland
FR Shoppers World, Inc.	Delaware
FR Shoppers World, LLC	Delaware
FR Florida, Inc.	Delaware
FR Rollingwood, LLC	Delaware
FR Rollingwood, Inc.	Delaware
Federal Realty Boston, Inc.	Delaware
Federal Realty West Coast, Inc.	Delaware
FR Montrose Crossing, Inc.	Delaware
FR Montrose Crossing, LLC	Delaware
FR Montrose Crossing Borrower, LLC	Delaware
FRIT CA Operations, Inc.	California
FR Huntington Square, LLC	Delaware

FR Darien, LLC	Delaware
FR Hastings Ranch, LLC	Delaware
FR Riverpoint, LLC	Delaware
Street Retail, Inc.	Maryland
SRI/CM 4th Street JV, LLC	Delaware
SRI Old Town, LLC	California
Street Retail West I, L.P.	Delaware
Street Retail West II, L.P.	Delaware
Street Retail West 3, L.P.	Delaware
Street Retail West 4, L.P.	Delaware
Street Retail West 6, L.P.	Delaware
Street Retail West 7, L.P.	Delaware
Street Retail West 10, L.P.	Delaware
FRIT San Jose Town and Country Village, LLC	California
SRI Assembly Row B7, LLC	Delaware
SRI Assembly Row B8, LLC	Delaware
SRI Assembly Row B9, LLC	Delaware
Santana Row Services, Inc.	Delaware
SRI/Continental JV, LLC	Delaware
CCA Sepulveda, LLC	Delaware
Rosecrans-Sepulveda Partners 3, LLC	Delaware
PES Partners, LLC	Delaware
The Grove Fee Owner, LLC	Delaware
Route 35 Shrewsbury Limited Partnership	New Jersey
Shrewsbury Commons L.P.	Washington
Sea Girt Limited Partnership	Washington
35 West, LLC	Washington
Merritt Shrewsbury Commons LLC	Washington
Cole Grove West, LLC	Washington
FR 508 Broad, LLC	Delaware
FR San Antonio Center, LLC	Delaware
San Antonio Center II, LLC	Delaware
Pike & Rose Condominium, Inc.	Delaware
PNR Hotel XXVI JV LLC	Delaware
PNR Hotel XXVI Owner LLC	Delaware
PNR Hotel XXVI Operator LLC	Delaware
SR Winchester, LLC	Delaware
Assembly Row Condominium, Inc.	Delaware
SRI Assembly Row Hotel, Inc.	Delaware
Assembly Row Hotel Operator, LLC	Delaware
Assembly Row Hotel, LLC	Delaware
FRIT Shops at Sunset Place, LLC	Delaware
FRIT Shops at Sunset Place Owner, LLC	Delaware
FRIT Shops at Sunset Place Fee Owner, LLC	Delaware
FRIT Cocowalk, LLC	Delaware
FRIT Cocowalk Owner, LLC	Delaware
3112 Commodore Plaza Investments, Inc.	Florida
3131 Commodore Plaza Investments, Inc.	Florida
3206 Grand Avenue, LLC	Delaware
3406 Main Highway, LLC	Delaware
3419 Main Highway Investments, LLC	Florida
Federal/Lion Venture LP	Delaware
FLV Atlantic Plaza GP, LLC	Delaware
FLV Atlantic Plaza Limited Partnership	Delaware
FLV Campus Plaza GP, LLC	Delaware
FLV Campus Plaza Limited Partnership	Delaware
FLV Plaza del Mercado, LLC	Delaware
FLV Plaza del Mercado, LP	Delaware

FLV Greenlawn Plaza GP, LLC	Delaware
FLV Greenlawn Plaza, LP	Delaware
FLV Barcroft Plaza GP, LLC	Delaware
FLV Barcroft Plaza, LP	Delaware
FLV Free State GP, LLC	Delaware
FLV Free State Limited Partnership	Delaware
South Gate Joint Venture, LLC	Delaware
Primestor/FRIT JV, LLC	Delaware
Azalea Joint Venture, LLC	Delaware
Prime/FRIT Alameda, LLC	Delaware
Prime/FRIT Bell Gardens, LLC	Delaware
Prime/FRIT El Monte, LLC	Delaware
Prime/FRIT El Portal, LLC	Delaware
Prime/FRIT Los Jardines, LLC	Delaware
Prime/FRIT Mission Hills, LLC	Delaware
Prime/FRIT SCP, LLC	Delaware
Prime/FRIT Sylmar, LLC	Delaware
Prime/FRIT TRS JV, LLC	Delaware
Prime/FRIT Plaza Pacoima, LLC	Delaware
Prime/FRIT Olivo Land, LLC	Delaware

EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our reports dated February 13, 2018, with respect to the consolidated financial statements, schedules, and internal control over financial reporting included in the Annual Report of Federal Realty Investment Trust on Form 10-K for the year ended December 31, 2017. We consent to the incorporation by reference of said reports in the Registration Statements of Federal Realty Investment Trust on Form S-3 (File No. 333-217607, File No. 333-204103, File No. 333-204009, File No. 333-203999, File No. 333-124195, and File No. 033-63687) and on Form S-8 (File No. 333-166531, File No. 333-147080, File No. 333-147081, and File No. 333-60364).

/s/ GRANT THORNTON LLP

New York, New York

February 13, 2018

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Donald C. Wood, certify that:

1) I have reviewed this annual report on Form 10-K of Federal Realty Investment 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 and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

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

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

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

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

5) The registrant's other certifying officer 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 trustees (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.

February 13, 2018	/s/ Donald C. Wood
	Donald C. Wood,
	President, Chief Executive Officer and Trustee
	(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Daniel Guglielmone, certify that:

1) I have reviewed this annual report on Form 10-K of Federal Realty Investment 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 and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

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

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

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

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

5) The registrant's other certifying officer 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 trustees (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.

February 13, 2018	/s/ Daniel Guglielmone
	Daniel Guglielmone,
	Executive Vice President - Chief Financial Officer and Treasurer
	(Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION

PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned, Donald C. Wood, the President and Chief Executive Officer of Federal Realty Investment Trust (the “Company”), has executed this certification in connection with the filing with the Securities and Exchange Commission of the Company’s Annual Report on Form 10-K for the period ended December 31, 2017 (the “Report”). The undersigned hereby certifies, to the best of his knowledge, that:

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

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

February 13, 2018	/s/ Donald C. Wood
	Donald C. Wood,
	President, Chief Executive Officer and Trustee
	(Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION

PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned, Daniel Guglielmone, the Executive Vice President and Chief Financial Officer and Treasurer of Federal Realty Investment Trust (the “Company”), has executed this certification in connection with the filing with the Securities and Exchange Commission of the Company’s Annual Report on Form 10-K for the period ended December 31, 2017 (the “Report”). The undersigned hereby certifies, to the best of his knowledge, that:

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

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

February 13, 2018	/s/ Daniel Guglielmone
	Daniel Guglielmone,
	Executive Vice President - Chief Financial Officer and Treasurer
	(Principal Financial and Accounting Officer)

XML

Document and Entity Information Document - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2017	Feb. 08, 2018	Jun. 30, 2017
Document And Entity Information [Abstract]
Entity Registrant Name	FEDERAL REALTY INVESTMENT TRUST
Entity Central Index Key	0000034903
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Trading Symbol	FRT
Entity Common Stock, Shares Outstanding		73,192,726
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 9.1

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Operating (including $1,639,486 and $1,211,605 of consolidated variable interest entities, respectively)	$ 6,950,188	$ 6,125,957
Construction-in-progress (including $43,393 and $15,313 of consolidated variable interest entities, respectively)	684,873	599,260
Assets held for sale	0	33,856
Real estate, at cost, total	7,635,061	6,759,073
Less accumulated depreciation and amortization (including $247,410 and $209,239 of consolidated variable interest entities, respectively)	(1,876,544)	(1,729,234)
Net real estate	5,758,517	5,029,839
Cash and cash equivalents	15,188	23,368
Accounts and notes receivable	209,877	116,749
Mortgage notes receivable, net	30,429	29,904
Investment in real estate partnerships	23,941	14,864
Prepaid expenses and other assets	237,803	208,555
TOTAL ASSETS	6,275,755	5,423,279
Liabilities
Mortgages payable (including $460,372 and $439,120 of consolidated variable interest entities, respectively)	491,505	471,117
Capital lease obligations	71,556	71,590
Notes payable	320,265	279,151
Senior notes and debentures	2,401,440	1,976,594
Accounts payable and accrued expenses	196,332	201,756
Dividends payable	75,931	71,440
Security deposits payable	16,667	16,285
Other liabilities and deferred credits	169,388	115,817
Total liabilities	3,743,084	3,203,750
Commitments and contingencies (Note 7)
Redeemable noncontrolling interests	141,157	143,694
Shareholders’ equity
Common shares of beneficial interest, $.01 par, 100,000,000 shares authorized, 73,090,877 and 71,995,897 shares issued and outstanding, respectively	733	722
Additional paid-in capital	2,855,321	2,718,325
Accumulated dividends in excess of net income	(749,367)	(749,734)
Accumulated other comprehensive income (loss)	22	(2,577)
Total shareholders’ equity of the Trust	2,266,706	1,976,733
Noncontrolling interests	124,808	99,102
Total shareholders’ equity	2,391,514	2,075,835
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	6,275,755	5,423,279
5.0% Series C Cumulative Redeemable Preferred shares
Shareholders’ equity
5.417% Series 1 Cumulative Convertible Preferred Shares, (stated at liquidation preference $25 per share), 399,896 shares issued and outstanding	150,000	0
5.417% Series 1 Cumulative Convertible Preferred shares
Shareholders’ equity
5.417% Series 1 Cumulative Convertible Preferred Shares, (stated at liquidation preference $25 per share), 399,896 shares issued and outstanding	$ 9,997	$ 9,997

XML

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating real estate, consolidated variable interest entities	$ 1,639,496	$ 1,211,605
Construction-in-progress, consolidated variable interest entities	43,393	15,313
Accumulated depreciation and amortization, consolidated variable interest entities	247,410	209,239
Mortgages payable, consolidated variable interest entities	$ 460,372	$ 439,120
Preferred shares, authorized	15,000,000	15,000,000
Preferred shares, par value	$ 0.01	$ 0.01
Common shares of beneficial interest, par value	$ 0.01
Common shares of beneficial interest, shares authorized	100,000,000	100,000,000
Common shares of beneficial interest, shares issued	73,090,877	71,995,897
Common shares of beneficial interest, shares outstanding	73,090,877	71,995,897
5.417% Series 1 Cumulative Convertible Preferred Shares
Preferred shares, percentage	5.417%	5.417%
Preferred Shares, liquidation preference per share	$ 25	$ 25
Preferred shares, shares issued	399,896	399,896
Preferred shares, shares outstanding	399,896	399,896
5.0% Series C Cumulative Redeemable Preferred Shares
Preferred shares, percentage	5.00%	5.00%
Preferred Shares, liquidation preference per share	$ 25,000
Preferred shares, shares issued	6,000	0
Preferred shares, shares outstanding	6,000	0

XML

Consolidated Statements Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
REVENUE
Rental Income	$ 841,461	$ 786,583	$ 727,812
Other property income	12,825	11,015	11,810
Mortgage interest income	3,062	3,993	4,390
Total revenue	857,348	801,591	744,012
EXPENSES
Rental expenses	164,890	158,326	147,593
Real estate taxes	107,839	95,286	85,824
General and administrative	36,281	33,399	35,645
Depreciation and amortization	216,050	193,585	174,796
Total operating expenses	525,060	480,596	443,858
OPERATING INCOME	332,288	320,995	300,154
Other interest income	475	374	149
Interest expense	(100,125)	(94,994)	(92,553)
Early extinguishment of debt	(12,273)	0	(19,072)
(Loss) income from real estate partnerships	(417)	50	1,416
INCOME FROM CONTINUING OPERATIONS	219,948	226,425	190,094
Gain on sale of real estate and change in control of interests, net	77,922	32,458	28,330
Net income	297,870	258,883	218,424
Net income attributable to noncontrolling interests	(7,956)	(8,973)	(8,205)
NET INCOME ATTRIBUTABLE TO THE TRUST	289,914	249,910	210,219
Dividends on preferred shares	(2,458)	(541)	(541)
NET INCOME AVAILABLE FOR COMMON SHAREHOLDERS	$ 287,456	$ 249,369	$ 209,678
EARNINGS PER COMMON SHARE, BASIC
Net income available for common shareholders	$ 3.97	$ 3.51	$ 3.04
Weighted average common shares outstanding, basic	72,117	70,877	68,797
EARNINGS PER COMMON SHARE, DILUTED
Net income available for common shareholders	$ 3.97	$ 3.50	$ 3.03
Weighted average number of common shares, diluted	72,233	71,049	68,981
Comprehensive Income
Net income	$ 297,870	$ 258,883	$ 218,424
Other comprehensive income (loss) - change in value of interest rate swaps	2,599	1,533	(595)
COMPREHENSIVE INCOME	300,469	260,416	217,829
Comprehensive income attributable to noncontrolling interests	(7,956)	(8,973)	(8,205)
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE TRUST	$ 292,513	$ 251,443	$ 209,624

XML

Consolidated Statement Of Shareholders' Equity - USD ($) $ in Thousands	Total	Preferred Shares	Common shares	Additional Paid-in Capital	Accumulated Dividends in Excess of Net Income	Accumulated Other Comprehensive (Loss)/Income	Noncontrolling Interests	Common shares	Preferred Shares	Preferred Shares Additional Paid-in Capital
Beginning balance (in shares) at Dec. 31, 2014		399,896	68,605,783
Beginning balance at Dec. 31, 2014	$ 1,692,556	$ 9,997	$ 687	$ 2,281,223	$ (683,991)	$ (3,515)	$ 88,155
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income, excluding amount attributable to redeemable noncontrolling interests	215,001				210,219		4,782
Other comprehensive income (loss) - change in value of interest rate swaps	(595)					(595)
Dividends declared to common shareholders	(250,388)				(250,388)
Dividends declared to preferred shareholders	(541)				(541)
Distributions declared to noncontrolling interests	(5,269)						(5,269)
Shares issued (in shares)			813,548
Shares issued	108,545		$ 8	108,537
Exercise of stock options (in shares)			29,940
Exercise of stock options	$ 1,991			1,991
Shares issued under dividend reinvestment plan (in shares)	16,524		16,524
Shares issued under dividend reinvestment plan	$ 2,296			2,296
Share-based compensation expense, net of forfeitures (in shares)			52,213
Share-based compensation expense, net of forfeitures	12,074		$ 1	12,073
Shares withheld for employee taxes (in shares)			(64,227)
Shares withheld for employee taxes	(9,211)			(9,211)
Conversion and redemption of OP units (in shares)			39,611
Conversion and redemption of OP units	(151)			4,072			(4,223)
Contributions from noncontrolling interests	34,737						34,737
Adjustment to redeemable noncontrolling interests	(19,114)			(19,114)
Ending balance (in shares) at Dec. 31, 2015		399,896	69,493,392
Ending balance at Dec. 31, 2015	1,781,931	$ 9,997	$ 696	2,381,867	(724,701)	(4,110)	118,182
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income, excluding amount attributable to redeemable noncontrolling interests	256,170				249,910		6,260
Other comprehensive income (loss) - change in value of interest rate swaps	1,533					1,533
Dividends declared to common shareholders	(274,402)				(274,402)
Dividends declared to preferred shareholders	(541)				(541)
Distributions declared to noncontrolling interests	(7,546)						(7,546)
Shares issued (in shares)			2,156,671
Shares issued	324,191		$ 21	324,170
Exercise of stock options (in shares)			55,365
Exercise of stock options	$ 4,542		$ 1	4,541
Shares issued under dividend reinvestment plan (in shares)	15,619		15,619
Shares issued under dividend reinvestment plan	$ 2,387			2,387
Share-based compensation expense, net of forfeitures (in shares)			134,913
Share-based compensation expense, net of forfeitures	11,227		$ 2	11,225
Shares withheld for employee taxes (in shares)			(30,671)
Shares withheld for employee taxes	(4,451)			(4,451)
Conversion and redemption of OP units (in shares)			170,608
Conversion and redemption of OP units	0		$ 2	18,677			(18,679)
Contributions from noncontrolling interests	885						885
Adjustment to redeemable noncontrolling interests	(20,091)			(20,091)
Ending balance (in shares) at Dec. 31, 2016		399,896	71,995,897
Ending balance at Dec. 31, 2016	2,075,835	$ 9,997	$ 722	2,718,325	(749,734)	(2,577)	99,102
Increase (Decrease) in Stockholders' Equity [Roll Forward]
January 1, 2017 adoption of new accounting standard - See Note 2	0			83	(83)
Net income, excluding amount attributable to redeemable noncontrolling interests	293,996				289,914		4,082
Other comprehensive income (loss) - change in value of interest rate swaps	2,599					2,599
Dividends declared to common shareholders	(287,006)				(287,006)
Dividends declared to preferred shareholders	(2,458)				(2,458)
Distributions declared to noncontrolling interests	$ (5,560)						(5,560)
Shares issued (in shares)		6,000	826,592
Shares issued		$ 150,000	$ 8	108,240				$ 108,248	$ 144,965	$ (5,035)
Exercise of stock options (in shares)	152,634		152,634
Exercise of stock options	$ 9,979		$ 2	9,977
Shares issued under dividend reinvestment plan (in shares)	17,911		17,911
Shares issued under dividend reinvestment plan	$ 2,373			2,373
Share-based compensation expense, net of forfeitures (in shares)			107,522
Share-based compensation expense, net of forfeitures	12,371		$ 1	12,370
Shares withheld for employee taxes (in shares)			(29,709)
Shares withheld for employee taxes	(4,229)			(4,229)
Conversion and redemption of OP units (in shares)			20,030
Conversion and redemption of OP units	0		$ 0	2,569			(2,569)
Contributions from noncontrolling interests	35,331						35,331
Purchase of noncontrolling interests	(5,536)			42			(5,578)
Adjustment to redeemable noncontrolling interests	10,606			10,606
Ending balance (in shares) at Dec. 31, 2017		405,896	73,090,877
Ending balance at Dec. 31, 2017	$ 2,391,514	$ 159,997	$ 733	$ 2,855,321	$ (749,367)	$ 22	$ 124,808

XML

Consolidated Statement Of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Stockholders' Equity [Abstract]
Amounts attributable to redeemable noncontrolling interest	$ 3,874	$ 2,713	$ 3,423

XML

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
OPERATING ACTIVITIES
Net income	$ 297,870	$ 258,883	$ 218,424
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	216,050	193,585	174,796
Gain on sale of real estate and change in control of interests, net	(77,922)	(32,458)	(28,330)
Early extinguishment of debt	12,273	0	19,072
Loss (income) from real estate partnerships	417	(50)	(1,416)
Other, net	(2,674)	474	(29)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Decrease (increase) in accounts receivable, net	2,059	1,868	(9,200)
Increase in prepaid expenses and other assets	(3,346)	(3,753)	(6,695)
Increase (decrease) in accounts payable and accrued expenses	14,242	7,159	(1,305)
Increase (decrease) in security deposits and other liabilities	208	(2,003)	3,729
Net cash provided by operating activities	459,177	423,705	369,046
INVESTING ACTIVITIES
Acquisition of real estate	(436,652)	(142,958)	(154,313)
Capital expenditures - development and redevelopment	(441,984)	(379,720)	(236,437)
Capital expenditures - other	(76,952)	(57,560)	(46,096)
Proceeds from sale of real estate and real estate partnership interests	136,055	0	97,422
Investment in real estate partnerships	(696)	(7,220)	(2,802)
Distribution from real estate partnership in excess of earnings	1,729	3,910	512
Leasing costs	(16,656)	(18,299)	(22,382)
(Issuance) repayment of mortgage and other notes receivable, net	(1,646)	11,626	10,333
Net cash used in investing activities	(836,802)	(590,221)	(353,763)
FINANCING ACTIVITIES
Net borrowings (repayment) under revolving credit facility, net of costs	41,000	(56,916)	53,500
Issuance of senior notes, net of costs	572,134	241,795	456,151
Redemption and retirement of senior notes	(161,930)	0	(219,228)
Repayment of mortgages, capital leases, and notes payable	(56,328)	(49,559)	(181,315)
Issuance of common shares, net of costs	118,583	329,103	110,855
Issuance of preferred shares, net of costs	144,991	0	0
Dividends paid to common and preferred shareholders	(282,995)	(267,694)	(243,314)
Shares withheld for employee taxes	(4,229)	(4,451)	(9,211)
Contributions from noncontrolling interests	13,449	662	0
Distributions to and redemptions of noncontrolling interests	(15,230)	(24,102)	(9,626)
Net cash provided by (used in) financing activities	369,445	168,838	(42,188)
(Decrease) increase in cash and cash equivalents	(8,180)	2,322	(26,905)
Cash and cash equivalents at beginning of year	23,368	21,046	47,951
Cash and cash equivalents at end of year	$ 15,188	$ 23,368	$ 21,046

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Business And Organization

12 Months Ended

Dec. 31, 2017

Nature Of Operations [Abstract]

BUSINESS AND ORGANIZATION

BUSINESS AND ORGANIZATION

Federal Realty Investment Trust (the “Trust”) is an equity real estate investment trust (“REIT”) specializing in the ownership, management, and redevelopment of retail and mixed-use properties. Our properties are located primarily in densely populated and affluent communities in strategically selected metropolitan markets in the Mid-Atlantic and Northeast regions of the United States, California, and South Florida. As of December 31, 2017, we owned or had a majority interest in community and neighborhood shopping centers and mixed-use properties which are operated as 104 predominantly retail real estate projects.

We operate in a manner intended to enable us to qualify as a REIT for federal income tax purposes. A REIT that distributes at least 90% of its taxable income to its shareholders each year and meets certain other conditions is not taxed on that portion of its taxable income which is distributed to its shareholders.

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Summary Of Significant Accounting Policies

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation

Our consolidated financial statements include the accounts of the Trust, its corporate subsidiaries, and all entities in which the Trust has a controlling interest or has been determined to be the primary beneficiary of a variable interest entity (“VIE”). The equity interests of other investors are reflected as noncontrolling interests or redeemable noncontrolling interests. All significant intercompany transactions and balances are eliminated in consolidation. We account for our interests in joint ventures, which we do not control, using the equity method of accounting. Certain 2016 and 2015 amounts have been reclassified to conform to current period presentation.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, referred to as “GAAP,” requires management to make estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities, and revenues and expenses. These estimates are prepared using management’s best judgment, after considering past, current and expected events and economic conditions. Actual results could differ from these estimates.

Revenue Recognition and Accounts Receivable

Our leases with tenants are classified as operating leases. Substantially all such leases contain fixed escalations which occur at specified times during the term of the lease. Base rents are recognized on a straight-line basis from when the tenant controls the space through the term of the related lease, net of valuation adjustments, based on management’s assessment of credit, collection and other business risk. Percentage rents, which represent additional rents based upon the level of sales achieved by certain tenants, are recognized at the end of the lease year or earlier if we have determined the required sales level is achieved and the percentage rents are collectible. Real estate tax and other cost reimbursements are recognized on an accrual basis over the periods in which the related expenditures are incurred. For a tenant to terminate its lease agreement prior to the end of the agreed term, we may require that they pay a fee to cancel the lease agreement. Lease termination fees for which the tenant has relinquished control of the space are generally recognized on the termination date. When a lease is terminated early but the tenant continues to control the space under a modified lease agreement, the lease termination fee is generally recognized evenly over the remaining term of the modified lease agreement.

We make estimates of the collectability of our accounts receivable related to minimum rents, straight-line rents, expense reimbursements and other revenue. Accounts receivable is carried net of this allowance for doubtful accounts. Our determination as to the collectability of accounts receivable and correspondingly, the adequacy of this allowance, is based primarily upon evaluations of individual receivables, current economic conditions, historical experience and other relevant factors. The allowance for doubtful accounts is increased or decreased through bad debt expense. Accounts receivable are written-off when they are deemed to be uncollectible and we are no longer actively pursuing collection. At December 31, 2017 and 2016, our allowance for doubtful accounts was $11.8 million and $11.9 million, respectively.

In some cases, primarily relating to straight-line rents, the collection of accounts receivable extends beyond one year. Our experience relative to unbilled straight-line rents is that a portion of the amounts otherwise recognizable as revenue is never billed to or collected from tenants due to early lease terminations, lease modifications, bankruptcies and other factors. Accordingly, the extended collection period for straight-line rents along with our evaluation of tenant credit risk may result in the nonrecognition of a portion of straight-line rental income until the collection of such income is reasonably assured. If our evaluation of tenant credit risk changes indicating more straight-line revenue is reasonably collectible than previously estimated and realized, the additional straight-line rental income is recognized as revenue. If our evaluation of tenant credit risk changes indicating a portion of realized straight-line rental income is no longer collectible, a reserve and bad debt expense is recorded. At December 31, 2017 and 2016, accounts receivable include approximately $93.1 million and $80.6 million, respectively, related to straight-line rents.

We are currently under construction on 221 condominium units at our Assembly Row and Pike & Rose properties. Gains or losses on the sale of these condominium units are recognized in accordance with the provisions of ASC Topic 360-20, “Property, Plant and Equipment – Real Estate Sales.” We account for contracted condominium sales under the percentage-of completion method, based on an evaluation of the criteria specified in ASC Topic 360-20 including: the legal commitment of the purchaser in the real estate contract, whether the construction of the project is beyond a preliminary phase, whether sufficient units have been contracted to ensure the project will not revert to a rental project, the ability to reasonably estimate the aggregate project sale proceeds and aggregate project costs, and the determination that the buyer has made an adequate initial and continuing cash investment under the contract. When the percentage-of-completion criteria have not been met, no profit is recognized. The application of these criteria can be complex and requires us to make assumptions. See "Recent Accounting Pronouncements," for discussion of change in timing of revenue recognition with the adoption of ASU 2014-09 on January 1, 2018.

Real Estate

Land, buildings and improvements are recorded at cost. Depreciation is computed using the straight-line method. Estimated useful lives range generally from 35 years to a maximum of 50 years on buildings and major improvements. Minor improvements, furniture and equipment are capitalized and depreciated over useful lives ranging from 2 to 20 years. Maintenance and repairs that do not improve or extend the useful lives of the related assets are charged to operations as incurred. Tenant improvements are capitalized and depreciated over the life of the related lease or their estimated useful life, whichever is shorter. If a tenant vacates its space prior to contractual termination of its lease, the undepreciated balance of any tenant improvements are written off if they are replaced or have no future value. In 2017, 2016 and 2015, real estate depreciation expense was $193.3 million, $173.2 million and $156.5 million, respectively, including amounts from real estate sold and assets under capital lease obligations.

Sales of real estate are recognized only when sufficient down payments have been obtained, possession and other attributes of ownership have been transferred to the buyer and we have no significant continuing involvement. The application of these criteria can be complex and requires us to make assumptions. We believe these criteria were met for all real estate sold during the periods presented.

Our methodology of allocating the cost of acquisitions to assets acquired and liabilities assumed is based on estimated fair values, replacement cost and/or appraised values. When we acquire operating real estate properties, the purchase price is allocated to land, building, improvements, leasing costs, intangibles such as in-place leases, assumed debt, if any, and to current assets and liabilities acquired, if any. The value allocated to in-place leases is amortized over the related lease term and reflected as rental income in the consolidated statements of comprehensive income. We consider qualitative and quantitative factors in evaluating the likelihood of a tenant exercising a below market renewal option and include such renewal options in the calculation of in-place lease value when we consider these to be bargain renewal options. If the value of below market lease intangibles includes renewal option periods, we include such renewal periods in the amortization period utilized. If a tenant vacates its space prior to contractual termination of its lease, the unamortized balance of any in-place lease value is written off to rental income.

Transaction costs related to asset acquisitions, such as broker fees, transfer taxes, legal, accounting, valuation, and other professional and consulting fees, are capitalized as part of the acquisition cost. The acquisition of an operating shopping center typically qualifies as an asset acquisition. See "Recent Accounting Pronouncements" for further discussion.

When applicable, as lessee, we classify our leases of land and building as operating or capital leases. We are required to use judgment and make estimates in determining the lease term, the estimated economic life of the property and the interest rate to be used in determining whether or not the lease meets the qualification of a capital lease and is recorded as an asset.

We capitalize certain costs related to the development and redevelopment of real estate including pre-construction costs, real estate taxes, insurance, construction costs and salaries and related costs of personnel directly involved. Additionally, we capitalize interest costs related to development and redevelopment activities. Capitalization of these costs begin when the activities and related expenditures commence and cease when the project is substantially complete and ready for its intended use at which time the project is placed in service and depreciation commences. Additionally, we make estimates as to the probability of certain development and redevelopment projects being completed. If we determine the development or redevelopment is no longer probable of completion, we expense all capitalized costs which are not recoverable.

We review for impairment on a property by property basis. Impairment is recognized on properties held for use when the expected undiscounted cash flows for a property are less than its carrying amount at which time the property is written-down to fair value. Properties held for sale are recorded at the lower of the carrying amount or the expected sales price less costs to sell.

Cash and Cash Equivalents

We define cash and cash equivalents as cash on hand, demand deposits with financial institutions and short term liquid investments with an initial maturity, when purchased, under three months. Cash balances in individual banks may exceed the federally insured limit by the Federal Deposit Insurance Corporation (the “FDIC”). At December 31, 2017, we had $19.6 million in excess of the FDIC insured limit.

Prepaid Expenses and Other Assets

Prepaid expenses and other assets consist primarily of lease costs, prepaid property taxes and acquired above market leases. Capitalized lease costs are direct costs incurred which were essential to originate a lease and would not have been incurred had the leasing transaction not taken place and include third party commissions and salaries and related costs of personnel directly related to time spent obtaining a lease. Capitalized lease costs are amortized over the life of the related lease. If a tenant vacates its space prior to the contractual termination of its lease, the unamortized balance of any previously capitalized lease costs are written off.

Debt Issuance Costs

Costs related to the issuance of debt instruments are deferred and are amortized as interest expense over the estimated life of the related issue using the straight-line method which approximates the effective interest method. If a debt instrument is paid off prior to its original maturity date, the unamortized balance of debt issuance costs are written off to interest expense or, if significant, included in “early extinguishment of debt.” Debt issuance costs related to our revolving credit facility are classified as an asset and are included in "prepaid expenses and other assets" in our consolidated balance sheets. All other debt issuance costs are presented as a direct deduction from the carrying amount of the debt liability.

Derivative Instruments

At times, we may use derivative instruments to manage exposure to variable interest rate risk. We generally enter into interest rate swaps to manage our exposure to variable interest rate risk and treasury locks to manage the risk of interest rates rising prior to the issuance of debt. We enter into derivative instruments that qualify as cash flow hedges and do not enter into derivative instruments for speculative purposes.

The interest rate swaps associated with our cash flow hedges are recorded at fair value on a recurring basis. We assess effectiveness of our cash flow hedges both at inception and on an ongoing basis. The effective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recorded in accumulated other comprehensive loss and is subsequently reclassified into interest expense as interest is incurred on the related variable rate debt; within the next twelve months, we expect to reclassify less than an estimated $0.1 million as an increase to interest expense. Our cash flow hedges become ineffective if critical terms of the hedging instrument and the debt instrument do not perfectly match such as notional amounts, settlement dates, reset dates, calculation period and LIBOR rate. In addition, we evaluate the default risk of the counterparty by monitoring the credit worthiness of the counterparty. When ineffectiveness exists, the ineffective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recognized in earnings in the period affected. Hedge ineffectiveness did not impact earnings in 2017, 2016 or 2015, and we do not anticipate it will have a significant effect in the future.

See Note 6 for additional disclosures relating to our two existing interest rate swap agreements.

Mortgage Notes Receivable

We have made certain mortgage loans that, because of their nature, qualify as loan receivables. At the time the loans were made, we did not intend for the arrangement to be anything other than a financing and did not contemplate a real estate investment. We evaluate each investment to determine whether the loan arrangement qualifies as a loan, joint venture or real estate investment and the appropriate accounting thereon. Such determination affects our balance sheet classification of these investments and the recognition of interest income derived therefrom. We receive additional interest, however, we never receive in excess of 50% of the residual profit in the project, and because the borrower has either a substantial investment in the project or has guaranteed all or a portion of our loan (or a combination thereof), the loans qualify for loan accounting. The amounts under these arrangements are presented as mortgage notes receivable at December 31, 2017 and 2016.

Mortgage notes receivable are recorded at cost, net of any valuation adjustments. Interest income is accrued as earned. Mortgage notes receivable are considered past due based on the contractual terms of the note agreement. On a quarterly basis, we evaluate the collectability of each mortgage note receivable based on various factors which may include payment history, expected fair value of the collateral securing the loan, internal and external credit information and/or economic trends. A loan is considered impaired when, based upon current information and events, it is probable that we will be unable to collect all amounts due under the existing contractual terms. When a loan is considered impaired, the amount of the loss accrual is calculated by comparing the carrying amount of the mortgage note receivable to the present value of expected future cash flows. Since our loans are collateralized by a first mortgage, the loans have risk characteristics similar to the risks in owning commercial real estate.

At December 31, 2017 and 2016, we had two mortgage notes receivable, with aggregate carrying amounts of $30.4 million and $29.9 million, respectively, with a weighted average interest rate of 10.0% and 9.9%, respectively, which were secured by first mortgages on retail buildings.

Share Based Compensation

We grant share based compensation awards to employees and trustees typically in the form of restricted common shares, common shares, and options. We measure share based compensation expense based on the grant date fair value of the award and recognize the expense ratably over the requisite service period, which is typically the vesting period. See Note 12 for further discussion regarding our share based compensation plans and policies. Effective January 1, 2017, we adopted ASU 2016-09, "Compensation-Stock Compensation," which impacts accounting for forfeitures and the classification for shares withheld for employee taxes on the Statement of Cash Flows. See "Recent Accounting Pronouncements" for further discussion.

Variable Interest Entities

Certain entities that do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties or in which equity investors do not have the characteristics of a controlling financial interest qualify as VIEs. VIEs are required to be consolidated by their primary beneficiary. The primary beneficiary of a VIE has both the power to direct the activities that most significantly impact economic performance of the VIE and the obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE.

We have 17 entities that meet the criteria of a VIE in which we hold a variable interest. For each of these entities we control the significant operating decisions and consequently have the power to direct the activities that most significantly impact the economic performance of the entities. As we also have the obligation to absorb the majority of the losses and/or the right to receive a majority of the benefits for each of these entities, all are consolidated in our financial statements. Net real estate assets and mortgage payables related to variable interest entities included in our consolidated balance sheets were approximately $1.4 billion and $460.4 million, respectively, as of December 31, 2017, and $1.0 billion and $439.1 million, respectively, as of December 31, 2016.

In addition, our equity method investments in the Pike & Rose hotel joint venture and the La Alameda shopping center are also considered variable interests in a VIE. As we do not control the activities that most significantly impact the economic performance of the joint ventures, we are not the primary beneficiary and do not consolidate. As of December 31, 2017 and 2016 our investment in the joint ventures and maximum exposure to loss was $23.9 million and $13.5 million, respectively.

We have also evaluated our mortgage notes receivable investments and determined that the entities obligated under the mortgage notes are not VIEs. Our equity method investments and mortgage notes receivable balances are presented separately in our consolidated balance sheets.

Redeemable Noncontrolling Interests

We have certain noncontrolling interests that are redeemable for cash upon the occurrence of an event that is not solely in our control and therefore are classified outside of permanent equity. We adjust the carrying amounts of these noncontrolling interests that are currently redeemable to redemption value at the balance sheet date. Adjustments to the carrying amount to reflect changes in redemption value are recorded as adjustments to additional paid-in capital in shareholders' equity. These amounts are classified within the mezzanine section of the consolidated balance sheets.

The following table provides a rollforward of the redeemable noncontrolling interests:

	Year Ended
	December 31,
	2017			2016
	(In thousands)
Beginning balance	$	143,694		$	137,316
Contributions	11,109			—
Net income	3,874			2,713
Distributions & Redemptions	(6,914		)	(16,426		)
Change in redemption value	(10,606		)	20,091
Ending balance	$	141,157		$	143,694

On January 12, 2017, we exercised our purchase option on non-controlling interests in San Antonio Center for $2.6 million of cash and 44,195 of downREIT operating partnership units.

On February 12, 2016, we acquired the 10% noncontrolling interest in the partnership that owns our Hollywood Blvd project for $13.0 million, bringing our ownership interest to 100%.

Income Taxes

We operate in a manner intended to enable us to qualify as a REIT for federal income tax purposes. A REIT that distributes at least 90% of its taxable income to its shareholders each year and meets certain other conditions is not taxed on that portion of its taxable income which is distributed to its shareholders. Therefore, federal income taxes on our taxable income have been and are generally expected to be immaterial. We are obligated to pay state taxes, generally consisting of franchise or gross receipts taxes in certain states. Such state taxes also have not been material.

We have elected to treat certain of our subsidiaries as taxable REIT subsidiaries, which we refer to as a TRS. In general, a TRS may engage in any real estate business and certain non-real estate businesses, subject to certain limitations under the Internal Revenue Code of 1986, as amended (the “Code”). A TRS is subject to federal and state income taxes. Our TRS activities have not been material.

With few exceptions, we are no longer subject to U.S. federal, state, and local tax examinations by tax authorities for years before 2013. As of December 31, 2017 and 2016, we had no material unrecognized tax benefits. While we currently have no material unrecognized tax benefits, as a policy, we recognize penalties and interest accrued related to unrecognized tax benefits as income tax expense.

Segment Information

Our primary business is the ownership, management, and redevelopment of retail and mixed-use properties. We review operating and financial information for each property on an individual basis and therefore, each property represents an individual operating segment. We evaluate financial performance using property operating income, which consists of rental income, other property income and mortgage interest income, less rental expenses and real estate taxes. No individual property constitutes more than 10% of our revenues or property operating income and we have no operations outside of the United States of America. Therefore, we have aggregated our properties into one reportable segment as the properties share similar long-term economic characteristics and have other similarities including the fact that they are operated using consistent business strategies, are typically located in major metropolitan areas, and have similar tenant mixes.

Recent Accounting Pronouncements

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Recently adopted:
ASU 2016-09, March 2016, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting	This ASU simplifies the accounting for share-based payment transactions, including a policy election option with respect to accounting for forfeitures either as they occur or estimating forfeitures (as was previously required), as well as increasing the amount an employer can withhold to cover income taxes on equity awards. Additionally, it requires the cash paid to a taxing authority when shares are withheld to pay employee taxes to be classified as a "financing activity" rather than an "operating activity," as was done previously on the Statement of Cash Flows.	January 2017	The adoption of this standard resulted in accounting for forfeitures as they occur, and we have recorded the cumulative impact on the adoption date as a $0.1 million adjustment to additional paid-in capital and accumulated dividends in excess of net income. The amounts reclassified from "operating activities" to "financing activities" for shares withheld for employee taxes was $4.5 million and $9.2 million, respectively, for 2016 and 2015.
ASU 2017-01, January 2017, Business Combinations (Topic 805): Clarifying the Definition of a Business	This ASU changes the definition of a business to exclude acquisitions where substantially all of the fair value of the assets acquired are concentrated in a single identifiable asset or a group of similar identifiable assets. Given this change in definition, we believe most of our shopping center acquisitions will no longer be considered business combinations, but rather asset acquisitions.	January 2017	The largest impact of this standard is that transaction costs are capitalized for asset acquisitions rather than expensed when they are considered business combinations. Based on acquisitions in the last several years, transaction costs for a single shopping center acquisition have typically ranged from $0.2 million to $2.4 million with significantly higher transaction costs expected for an acquisition of a larger portfolio. We are applying the new guidance prospectively. Our acquisitions during the year ended December 31, 2017 (further discussed in Note 3) qualified as asset acquisitions and consequently, all transaction costs were capitalized after the adoption date.
Adopted Subsequent to December 31, 2017:
ASU 2016-15, August 2016, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments	This ASU provides classification guidance for eight specific topics including debt extinguishment costs, contingent consideration payments made after a business combination, and distributions received from equity method investees.	January 2018	This standard will require classification changes, however, it is not expected to have a significant impact to our consolidated financial statements.
ASU 2016-18, November 2016, Statement of Cash Flows (Topic 203) - Restricted Cash	This ASU requires that the statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or cash equivalents. Amounts generally described as restricted cash and equivalents should be included with cash and cash equivalents when reconciling the beginning and end of period total amounts on the statement of cash flows.	January 2018	This standard will require reclassification of certain restricted cash amounts on the consolidated statement of cash flows, but is not expected to have a significant impact to our consolidated financial statements.

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Revenue from Contracts with Customers (Topic 606) and related updates: ASU 2014-09, May    2014, Revenue from    Contracts with    Customers ASU 2015-14,    August 2015,    Revenue from    Contracts with    Customers: Deferral    of the Effective Date ASU 2016-08,    March 2016,    Revenue from    Contracts with    Customers:    Principal versus    Agent   Considerations ASU 2016-10, April    2016, Revenue from    Contracts with    Customers:    Identifying    Performance    Obligations and    Licensing ASU 2016-12, May    2016, Revenue from    Contracts with    Customers:    Narrow-Scope    Improvements and    Practical Expedients ASU 2016-20,    December 2016,    Revenue from    Contracts with    Customers:    Technical    Corrections and    Improvements	In May 2014, the the FASB issued ASU 2014-09, "Revenue from Contracts with Customers." ASU 2014-09 as amended and interpreted by ASU 2015-14, ASU 2016-08, ASU 2016-10, ASU 2016-12, and ASU 2016-20, supersedes nearly all existing revenue recognition guidance under GAAP and replaces it with a core revenue recognition principle, that an entity will recognize revenue when it transfers control of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services, and creates a five-step model for revenue recognition in accordance with this principle. ASU 2014-09 also requires new disclosures in both interim and annual reporting periods. The guidance in ASU 2014-09 does not apply to contracts within the scope of ASC 840, Leases. ASU 2016-08 clarifies how to identify the unit of accounting for the principal versus agent evaluation, how to apply the control principle to certain types of arrangements, such as service transactions, and reframed the indicators in the guidance to focus on evidence that an entity is acting as a principal rather than as an agent. ASU 2016-10 clarifies the existing guidance on identifying performance obligations and licensing implementation. ASU 2016-12 adds practical expedients related to the transition for contract modifications and further defines a completed contract, clarifies the objective of the collectability assessment and how revenue is recognized if collectability is not probable, and when non-cash considerations should be measured. ASU 2016-20 corrects or improves guidance in thirteen narrowly focused aspects of the guidance. The standard allows for either "full retrospective" adoption, meaning the standard is applied to all of the periods presented, or "modified retrospective" adoption, meaning the cumulative impact of applying the standard is recognized in accumulated dividends in excess of net income on the date of application.	January 2018	Currently, gains on contracted condominium sales are recognized using the percentage-of-completion method, with the gain recognized once certain criteria have been met in advance of legal closing (see further discussion in the "Revenue Recognition" section of Note 2 to the consolidated financial statements). Under the new guidance, condominium sale gains will be recognized as the condominium units are legally sold, which will typically be upon closing. The reversal of the gain will be recognized through equity, and will be reflected in accumulated dividends in excess of net income. Most of our revenue is accounted for under the leasing standard, and therefore is not subject to this standard. With the exception of condominium sales, the adoption of the standard will not have a significant impact on our consolidated financial statements. We will implement the new revenue recognition guidance retrospectively with the cumulative effect recognized in accumulated dividends in excess of net income at the date of initial application.

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
ASU 2017-05, February 2017, Other Income - Gains and Losses from the Recognition of Nonfinancial Assets (Subtopic 610-20): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets	This ASU clarifies that ASC 610-20 applies to all nonfinancial assets (including real estate) for which the counterparty is not a customer and also clarifies that all businesses are derecognized using the deconsolidation guidance. Additionally, it defines an insubstance nonfinancial asset as a financial asset that is promised to a counterparty in a contract in which substantially all of the fair value of the assets promised in the contract is concentrated in nonfinancial assets, which excludes cash or cash equivalents and liabilities. Under the current guidance, a partial sale is recognized and carryover basis is used for the retained interest, however, the new guidance eliminates the use of carryover basis and generally requires a full gain to be recognized for prospective disposals of nonfinancial assets.	January 2018	The new guidance is expected to impact the gain recognized when a real estate asset is sold to a non-customer and a noncontrolling interest is retained. Based on our historical transactions, this standard is not expected to have a significant impact to our consolidated financial statements.
ASU 2017-09, May 2017, Compensation-Stock Compensation (Topic 718): Scope of Modification Accoutning	The ASU clarifies when changes to the terms or conditions of a share-based payment award must be accounted for as modifications. Under the new guidance, an entity will not apply modification accounting if the awards' fair value, vesting conditions, and the classification of the award as equity or a liability are the same immediately before and after the change. The new guidance is applied prospectively to awards granted or modified after the adoption date.	January 2018	This standard is not expected to have a significant impact to our consolidated financial statements.
Not Yet Adopted:
ASU 2016-02, February 2016, Leases (Topic 842)	This ASU significantly changes the accounting for leases by requiring lessees to recognize assets and liabilities for leases greater than 12 months on their balance sheet. The lessor model stays substantially the same; however, there were modifications to conform lessor accounting with the lessee model, eliminate real estate specific guidance, further define certain lease and non-lease components, and change the definition of initial direct costs of leases requiring significantly more leasing related costs to be expensed upfront.	January 2019	We are currently assessing the impact of this standard to our consolidated financial statements.
ASU 2016-13, June 2016, Financial Instruments - Credit Losses (Topic 326)	This ASU changes the impairment model for most financial assets and certain other instruments, requiring the use of an "expected credit loss" model and adding more disclosure requirements.	January 2020	We are currently assessing the impact of this standard to our consolidated financial statements.

Consolidated Statements of Cash Flows—Supplemental Disclosures

The following table provides supplemental disclosures related to the Consolidated Statements of Cash Flows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
SUPPLEMENTAL DISCLOSURES:
Total interest costs incurred	$	125,684		$	113,016		$	110,675
Interest capitalized	(25,559		)	(18,022		)	(18,122		)
Interest expense	$	100,125		$	94,994		$	92,553
Cash paid for interest, net of amounts capitalized	$	105,201		$	90,185		$	116,335
Cash paid for income taxes	$	352		$	296		$	274
NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Mortgage loans refinanced	$	166,823		$	—		$	—
Mortgage loans assumed with acquisition	$	79,401		$	34,385		$	89,516
DownREIT operating partnership units issued with acquisition	$	5,918		$	—		$	7,742
DownREIT operating partnership units redeemed for common shares	$	2,569		$	18,679		$	4,114
Shares issued under dividend reinvestment plan	$	2,017		$	2,017		$	1,977

Capitalized lease costs are direct costs incurred which were essential to originate a lease and would not have been incurred had the leasing transaction not taken place. These costs include third party commissions and salaries and personnel costs related to obtaining a lease. Capitalized lease costs are amortized over the initial term of the related lease which generally ranges from three to ten years. We view these lease costs as part of the up-front initial investment we made in order to generate a long-term cash inflow and therefore, we classify cash outflows related to leasing costs as an investing activity in our consolidated statements of cash flows.

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Real Estate

12 Months Ended

Dec. 31, 2017

Real Estate [Abstract]

REAL ESTATE

REAL ESTATE

A summary of our real estate investments and related encumbrances is as follows:

	Cost		Accumulated Depreciation and Amortization			Encumbrances
	(In thousands)
December 31, 2017
Retail and mixed-use properties	$	7,500,929	$	(1,821,046	)	$	470,720
Retail properties under capital leases	123,346		(46,140		)	71,556
Residential	10,786		(9,358		)	20,785
	$	7,635,061	$	(1,876,544	)	$	563,061
December 31, 2016
Retail and mixed-use properties	$	6,621,170	$	(1,677,938	)	$	449,896
Retail properties under capital leases	127,359		(42,308		)	71,590
Residential	10,544		(8,988		)	21,221
	$	6,759,073	$	(1,729,234	)	$	542,707

Retail and mixed-use properties includes the residential portion of Assembly Row, Bethesda Row, Chelsea Commons, Congressional Plaza, Pike & Rose, Santana Row, and Towson Residential (Flats @ 703). The residential property investment is our investment in Rollingwood Apartments.

2017 Property Acquisitions and Dispositions

On February 1, 2017, we acquired a leasehold interest in Hastings Ranch Plaza, a 274,000 square foot shopping center in Pasadena, California for $29.5 million. The land is subject to a long-term ground lease that expires on April 30, 2054. Approximately $21.5 million of assets acquired were allocated to lease intangibles and included within other assets. Approximately $15.2 million of net assets acquired were allocated to lease liabilities and included in other liabilities.

On March 31, 2017, we acquired the fee interest in Riverpoint Center, a 211,000 square foot shopping center in the Lincoln Park neighborhood of Chicago, Illinois for $107.0 million. Approximately $1.0 million and $12.3 million of net assets acquired were allocated to other assets for "above market leases," and other liabilities for "below market leases," respectively.

We leased three parcels of land at our Assembly Row property to two ground lessees. Both lessees exercised purchase options under the related ground leases. The sale transaction related to the purchase option on one of our ground leases was completed on April 4, 2017 for a sales price of $36.0 million. On June 28, 2017, the sale transactions related to the purchase options on our other two ground lease parcels were completed for a total sales price of $17.3 million. The net gain recognized in connection with these transactions was approximately $15.4 million. At December 31, 2016, the total cost basis of the related land was $33.9 million and is included in "assets held for sale" on our consolidated balance sheet.

On May 19, 2017, we acquired the fee interest in a 71,000 square foot, mixed-use property located in Berkeley, California based on a gross value of $23.9 million. The acquisition was completed through a newly formed entity for which we own a 90% controlling interest. Approximately $0.8 million and $0.3 million of net assets acquired were allocated to other assets for "above market leases" and other liabilities for "below market leases," respectively, and approximately $2.4 million was allocated to noncontrolling interests.

On August 2, 2017, we acquired an approximately 90% interest in a joint venture that owns six shopping centers in Los Angeles County, California based on a gross value of $357 million, including the assumption of $79.4 million of mortgage debt. Approximately $7.8 million of assets acquired were allocated to lease intangibles and included within other assets, approximately $36.2 million of net assets acquired were allocated to lease liabilities and included in other liabilities, and approximately $30.6 million was allocated to noncontrolling interests. That joint venture also acquired a 24.5% interest in La Alameda, a shopping center in Walnut Park, California for $19.8 million. The property has $41.0 million of mortgage debt, of which the joint venture's share is approximately $10 million. Additional information on the properties is listed below:

Property	City/State	GLA
		(in square feet)
Azalea	South Gate, CA	222,000
Bell Gardens	Bell Gardens, CA	330,000
La Alameda	Walnut Park, CA	245,000
Olivo at Mission Hills (1)	Mission Hills, CA	155,000
Plaza Del Sol	South El Monte, CA	48,000
Plaza Pacoima	Pacoima, CA	204,000
Sylmar Towne Center	Sylmar, CA	148,000
		1,352,000
(1) Property is currently being redeveloped. GLA reflects approximate square footage once the property is open and operating.

The following unaudited pro forma financial data includes the total revenues, operating expenses (including approximately $11.5 million and $11.4 million of depreciation and amortization expense for the years ended December 31, 2017 and 2016, respectively), and interest expense/financing costs related to the properties acquired on August 2, 2017 as if they had occurred on January 1, 2016. The pro forma financial information is presented for informational purposes only and may not be indicative of what actual results of income would have been, nor does it represent the results of income for future periods.

	Year Ended December 31,
	2017		2016
	(in millions) (unaudited)
Total revenue	$	872.9	$	826.6
Net income available for common shareholders	284.6		244.3

On August 25, 2017, we sold our property located at 150 Post Street in San Francisco, California for a sales price of $69.3 million, resulting in a gain of $45.2 million.

On September 25, 2017, we sold our North Lake Commons property in Lake Zurich, Illinois for a sales price of $15.6 million, resulting in a gain of $4.9 million.

On December 28, 2017, we sold a parcel of land at our Bethesda Row property in Bethesda, Maryland for a sales price of $8.5 million, resulting in a gain of $6.5 million.

For the year ended December 31, 2017, we recognized a $5.4 million gain, net of $1.4 million of income taxes, related to the sale of condominiums at our Assembly Row property based on the percentage-of-completion method. In connection with recording the gain, we recognized a receivable of $67.1 million as of December 31, 2017. The closing of the Assembly Row condominium sales is expected to commence in 2018.As of December 31, 2017, no gain has been recognized for contracted condominium sales at Pike & Rose, as not all of the criteria necessary for profit recognition have been met.

2016 Property Acquisitions and Disposition

OnJanuary 13, 2016, we acquired our partner's70%interest in our joint venture arrangement (the "Partnership") with affiliates of a discretionary fund created and advised by Clarion Partners ("Clarion") for$153.7 million, which included the payment of$130.0 millionof cash and the assumption of mortgage loans totaling$34.4 million. As a result of the transaction, we gained control of thesix underlying properties, and effective January 13, 2016, have consolidated the properties. We also recognized a gain on acquisition of the controlling interest of $25.7 million related to the difference between the carrying value and fair value of the previously held equity interest. Approximately $7.3 million and $4.9 million of net assets acquired were allocated to other assets for "above market leases," and other liabilities for "below market leases," respectively. We incurred $0.2 million of acquisition costs, of which $0.1 million were incurred in 2016, and included in "general and administrative expenses" on the consolidated statements of comprehensive income in 2016 and 2015.

On May 12, 2016, an unconsolidated joint venture that we hold an interest in sold a building in Coconut Grove, Florida. Our share of the gain, net of noncontrolling interests, was $0.5 million.

On July 26, 2016, we acquired an additional building in the Coconut Grove neighborhood of Miami, Florida for $5.9 million through our CocoWalk LLC entity. We incurred $0.2 million in acquisition costs which are included in "general and administrative expenses" in 2016.

On November 7, 2016, we acquired a building adjacent to our Barcroft Plaza property for $5.3 million, and incurred $0.1 million of acquisition costs which are included in "general and administrative expenses" in 2016.

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Acquired In-Place Leases

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

ACQUIRED IN-PLACE LEASES

ACQUIRED IN-PLACE LEASES

Acquired lease assets are included in prepaid expenses and other assets and comprise above market leases where we are the lessor and below market leases where we are the lessee. Acquired lease liabilities are included in other liabilities and deferred credits and comprise below market leases where we are the lessor and above market leases where we are the lessee. The following is a summary of our acquired lease assets and liabilities:

	December 31, 2017						December 31, 2016
	Cost			Accumulated Amortization			Cost			Accumulated Amortization
	(in thousands)
Above market leases, lessor	$	52,393		$	(31,406	)	$	45,327		$	(28,085	)
Below market leases, lessee	34,604			(1,705		)	13,237			(924		)
Total	$	86,997		$	(33,111	)	$	58,564		$	(29,009	)
Below market leases, lessor	$	(193,085	)	$	56,716		$	(138,253	)	$	48,928
Above market leases, lessee	(9,084		)	560			(2,796		)	271
Total	$	(202,169	)	$	57,276		$	(141,049	)	$	49,199

The value allocated to in-place leases where we are the lessor is amortized over the related lease term and reflected as additional rental income for below market leases or a reduction of rental income for above market leases in the consolidated statements of comprehensive income. The related amortization of in-place leases where we are the lessee is reflected as additional rental expense for below market leases or a reduction of rental expenses for above market leases in the consolidated statements of comprehensive income. The following is a summary of acquired lease amortization:

	Year Ended December 31,
	2017			2016			2015
	(in thousands)
Amortization of above market leases, lessor	$	(6,005	)	$	(6,726	)	$	(4,425	)
Amortization of below market leases, lessor	10,726			8,551			7,130
Net increase in rental income	$	4,721		$	1,825		$	2,705
Amortization of below market leases, lessee	$	781		$	255		$	255
Amortization of above market leases, lessee	(290		)	(135		)	(135		)
Net increase in rental expense	$	491		$	120		$	120

The following is a summary of the remaining weighted average amortization period for our acquired lease assets and acquired lease liabilities:

	December 31, 2017
Above market leases, lessor	4.7 years
Below market leases, lessee	41.6 years
Below market leases, lessor	19.8 years
Above market leases, lessee	16.9 years

The amortization for acquired in-place leases during the next five years and thereafter, assuming no early lease terminations, is as follows:

	Acquired Lease Assets		Acquired Lease Liabilities
	(In thousands)
Year ending December 31,
2018	$	5,810	$	9,990
2019	3,829		9,488
2020	3,182		8,494
2021	2,804		7,869
2022	2,381		7,484
Thereafter	35,880		101,568
	$	53,886	$	144,893

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Debt

12 Months Ended

Dec. 31, 2017

Debt Instruments [Abstract]

DEBT

DEBT

The following is a summary of our total debt outstanding as of December 31, 2017 and 2016:

	Principal Balance as of December 31,						Stated Interest Rate as of		Stated Maturity Date as of
Description of Debt	2017			2016			December 31, 2017		December 31, 2017
Mortgages payable	(Dollars in thousands)
The Grove at Shrewsbury (West)	$	10,545		$	10,792		6.38	%	March 1, 2018
Rollingwood Apartments	20,820			21,283			5.54	%	May 1, 2019
The Shops at Sunset Place	66,603			68,634			5.62	%	September 1, 2020
29th Place	4,341			4,553			5.91	%	January 31, 2021
Sylmar Towne Center	17,362			—			5.39	%	June 6, 2021
Plaza Del Sol	8,579			—			5.23	%	December 1, 2021
THE AVENUE at White Marsh	52,705			52,705			3.35	%	January 1, 2022
Montrose Crossing	71,054			72,726			4.20	%	January 10, 2022
Azalea	40,000			—			3.73	%	November 1, 2025
Bell Gardens	13,184			—			4.06	%	August 1, 2026
Plaza El Segundo	125,000			175,000			3.83	%	June 5, 2027
The Grove at Shrewsbury (East)	43,600			42,536			3.77	%	September 1, 2027
Brook 35	11,500			11,500			4.65	%	July 1, 2029
Chelsea	6,268			6,576			5.36	%	January 15, 2031
Subtotal	491,561			466,305
Net unamortized premium and debt issuance costs	(56		)	4,812
Total mortgages payable	491,505			471,117
Notes payable
Term loan	275,000			275,000			LIBOR + 0.90%		November 21, 2018
Revolving credit facility	41,000			—			LIBOR + 0.825%		April 20, 2020
Various	4,819			5,247			11.31	%	Various through 2028
Subtotal	320,819			280,247
Net unamortized debt issuance costs	(554		)	(1,096		)
Total notes payable	320,265			279,151
Senior notes and debentures
5.90% notes	—			150,000			5.90	%	April 1, 2020
2.55% notes	250,000			250,000			2.55	%	January 15, 2021
3.00% notes	250,000			250,000			3.00	%	August 1, 2022
2.75% notes	275,000			275,000			2.75	%	June 1, 2023
3.95% notes	300,000			300,000			3.95	%	January 15, 2024
7.48% debentures	29,200			29,200			7.48	%	August 15, 2026
3.25% notes	475,000			—			3.25	%	July 15, 2027
6.82% medium term notes	40,000			40,000			6.82	%	August 1, 2027
4.50% notes	550,000			450,000			4.50	%	December 1, 2044
3.625% notes	250,000			250,000			3.625	%	August 1, 2046
Subtotal	2,419,200			1,994,200
Net unamortized discount and debt issuance costs	(17,760		)	(17,606		)
Total senior notes and debentures	2,401,440			1,976,594
Capital lease obligations
Various	71,556			71,590			Various		Various through 2106
Total debt and capital lease obligations	$	3,284,766		$	2,798,452

On June 5, 2017 we refinanced the $175.0 million mortgage loan on Plaza El Segundo at a face amount of $125.0 million and repaid the remaining $50.0 million at par. The new mortgage loan bears interest at 3.83% and matures on June 5, 2027.

On June 23, 2017, we issued $400.0 million aggregate principal amount of fixed rate senior unsecured notes in two separate series. We issued $300.0 million of 3.25% notes that mature on July 15, 2027, which were offered at 99.083% of the principal amount, with a yield to maturity of 3.358%. Additionally, we issued $100.0 million of 4.50% notes due December 1, 2044. The 4.50% notes were offered at 105.760% of the principal amount, with a yield to maturity of 4.143%, and have the same terms and are of the same series as the senior notes first issued on November 14, 2014. Our net proceeds from the June note offering after net issuance premium, underwriting fees and other costs was approximately $399.5 million.

In connection with the acquisition of six shopping centers in Los Angeles County, California on August 2, 2017 (as further discussed in Note 3), we assumed mortgage loans with a face amount of $79.4 million and a fair value of $80.1 million. The mortgage loans are secured by the individual properties with the following contractual terms:

	Principal		Stated Interest Rate		Maturity Date
	(in millions)
Sylmar Towne Center	$	17.5	5.39	%	June 6, 2021
Plaza Del Sol	8.6		5.23	%	December 1, 2021
Azalea	40.0		3.73	%	November 1, 2025
Bell Gardens	13.3		4.06	%	August 1, 2026

On August 31, 2017, we refinanced the $41.8 million mortgage loan on The Grove at Shrewsbury (East) at a face amount of $43.6 million. The new mortgage loan bears interest at 3.77% and matures on September 1, 2027.

On December 21, 2017, we issued $175.0 million aggregate principal amount of 3.25% senior unsecured notes due July 15, 2027. The notes have the same terms and are of the same series as the $300.0 million senior notes issued on June 23, 2017. The notes were offered at 99.404% of the principal amount, with a yield to maturity of 3.323%. Our net proceeds from the December note offering after issuance discount, underwriting fees and other costs were approximately $172.5 million. The proceeds were used on December 31, 2017 to repay our $150.0 million5.90% notes prior to the original maturity date of April 1, 2020. The redemption price of $164.1 million included a make-whole premium of $11.9 million and accrued but unpaid interest of $2.2 million. The make-whole premium is included in "early extinguishment of debt" in 2017.

During 2017, 2016 and 2015, the maximum amount of borrowings outstanding under our $800.0 million revolving credit facility was $344.0 million, $251.5 million and $324.0 million, respectively. The weighted average amount of borrowings outstanding was $147.5 million, $77.3 million and $109.7 million, respectively, and the weighted average interest rate, before amortization of debt fees, was 1.9%, 1.3% and 1.1%, respectively. The revolving credit facility requires an annual facility fee of $1.0 million. At December 31, 2017, our revolving credit facility had $41.0 million outstanding, and had no balance outstanding at December 31, 2016.

Our revolving credit facility, term loan, and certain notes require us to comply with various financial covenants, including the maintenance of minimum shareholders’ equity and debt coverage ratios and a maximum ratio of debt to net worth. As of December 31, 2017, we were in compliance with all default related debt covenants.

Scheduled principal payments on mortgages payable, notes payable, senior notes and debentures as of December 31, 2017 are as follows:

	Mortgages Payable		Notes Payable			Senior Notes and Debentures		Total Principal
	(In thousands)
Year ending December 31,
2018	$	16,228	$	275,506	(1)	$	—	$	291,734
2019	25,820		563			—		26,383
2020	65,539		41,624		(2)	—		107,163
2021	30,541		694			250,000		281,235
2022	117,018		771			250,000		367,789
Thereafter	236,415		1,661			1,919,200		2,157,276
	$	491,561	$	320,819		$	2,419,200	$	3,231,580	(3)

 _____________________

(1) Our $275.0 million unsecured term loan matures on November 21, 2018, subject to a one-year extension at our option.

(2) Our $800.0 million revolving credit facility matures on April 20, 2020, subject to two six-month extensions at our option. As of December 31, 2017, there was $41.0 million outstanding under this credit facility.

(3) The total debt maturities differ from the total reported on the consolidated balance sheet as of December 31, 2017 due to the unamortized premium/(discount) and debt issuance costs on mortgage loans, notes payable, and senior notes.

Future minimum lease payments and their present value for property under capital leases as of December 31, 2017, are as follows:

	(In thousands)
Year ending December 31,
2018	$	5,800
2019	5,800
2020	5,800
2021	5,800
2022	5,810
Thereafter	142,425
	171,435
Less amount representing interest	(99,879		)
Present value	$	71,556

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Fair Value Of Financial Instruments

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

FAIR VALUE OF FINANCIAL INSTRUMENTS

NOTE 6—FAIR VALUE OF FINANCIAL INSTRUMENTS

A fair value measurement is based on the assumptions that market participants would use in pricing an asset or liability in an orderly transaction. The hierarchy for inputs used in measuring fair value are as follows:

1. Level 1 Inputs—quoted prices in active markets for identical assets or liabilities

2. Level 2 Inputs—observable inputs other than quoted prices in active markets for identical assets and liabilities

3. Level 3 Inputs—prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for disclosure purposes, the level within which the fair value measurement is categorized is based on the lowest level input that is significant to the fair value measurement.

Except as disclosed below, the carrying amount of our financial instruments approximates their fair value. The fair value of our mortgages payable, notes payable and senior notes and debentures is sensitive to fluctuations in interest rates. Quoted market prices (Level 1) were used to estimate the fair value of our marketable senior notes and debentures and discounted cash flow analysis (Level 2) is generally used to estimate the fair value of our mortgages and notes payable. Considerable judgment is necessary to estimate the fair value of financial instruments. The estimates of fair value presented herein are not necessarily indicative of the amounts that could be realized upon disposition of the financial instruments. A summary of the carrying amount and fair value of our mortgages payable, notes payable and senior notes and debentures is as follows:

	December 31, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Mortgages and notes payable	$	811,770	$	824,419	$	750,268	$	760,260
Senior notes and debentures	$	2,401,440	$	2,498,445	$	1,976,594	$	2,015,973

As of December 31, 2017, we have two interest rate swap agreements with a notional amount of $275.0 million that are measured at fair value on a recurring basis. The interest rate swap agreements fix the variable portion of our $275.0 million term loan at 1.72% through November 1, 2018. The fair values of the interest rate swap agreements are based on the estimated amounts we would receive or pay to terminate the contracts at the reporting date and are determined using interest rate pricing models and interest rate related observable inputs. The fair value of our swaps at December 31, 2017 was an asset of less than$0.1 million and is included in "prepaid expenses and other assets" on our consolidated balance sheets, and at December 31, 2016 was a liability of $2.6 million, and is included in "accounts payable and accrued expenses." The value of our interest rate swaps increased $2.6 million and $1.5 million (including $1.8 million and $3.5 million respectively, reclassified from other comprehensive income/(loss) to earnings) for 2017 and 2016, respectively. These changes in value are included in "accumulated other comprehensive income (loss)." A summary of our financial assets/(liabilities) that are measured at fair value on a recurring basis, by level within the fair value hierarchy is as follows:

	December 31, 2017								December 31, 2016
	Level 1		Level 2		Level 3		Total		Level 1		Level 2			Level 3		Total
	(In thousands)
Interest rate swaps	$	—	$	22	$	—	$	22	$	—	$	(2,577	)	$	—	$	(2,577	)

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

We are sometimes involved in lawsuits, warranty claims, and environmental matters arising in the ordinary course of business. Management makes assumptions and estimates concerning the likelihood and amount of any potential loss relating to these matters.

We are currently a party to various legal proceedings. We accrue a liability for litigation if an unfavorable outcome is probable and the amount of loss can be reasonably estimated. If an unfavorable outcome is probable and a reasonable estimate of the loss is a range, we accrue the best estimate within the range; however, if no amount within the range is a better estimate than any other amount, the minimum within the range is accrued. Legal fees related to litigation are expensed as incurred. Other than as described below, we do not believe that the ultimate outcome of these matters, either individually or in the aggregate, could have a material adverse effect on our financial position or overall trends in results of operations; however, litigation is subject to inherent uncertainties. Also under our leases, tenants are typically obligated to indemnify us from and against all liabilities, costs and expenses imposed upon or asserted against us (1) as owner of the properties due to certain matters relating to the operation of the properties by the tenant, and (2) where appropriate, due to certain matters relating to the ownership of the properties prior to their acquisition by us.

In November 2016, we were included as a defendant in a class action lawsuit, in the circuit court for Montgomery County, Maryland, related to predatory towing by a third party company we had retained to provide towing services at several of our properties in Montgomery County, Maryland. We, individually and collectively with other members of the more than 500 property owner defendant class, have undertaken numerous legal actions to challenge property owner liability in this case, including challenging the certification of the class as a matter of law; however, all of these legal actions have been unsuccessful. Given the costs and risks of continuing litigation on this matter, we elected to participate in a settlement for which our share is approximately $0.4 million. We expect that this settlement amount will be reimbursed by insurance. The settlement did not cover liability for certain tows that were included in the lawsuit that the defendant class believes cannot be pursued because of the statute of limitations. Accordingly, we do not believe we should have any additional liability for these remaining tows; however, if we are unsuccessful in dismissing these tows from the litigation, our liability would be approximately $0.2 million assuming payment on the same terms as the settlement.

We are self-insured for general liability costs up to predetermined retained amounts per claim, and we believe that we maintain adequate accruals to cover our retained liability. We currently do not maintain third party stop-loss insurance policies to cover liability costs in excess of predetermined retained amounts. Our accrual for self-insurance liability is determined by management and is based on claims filed and an estimate of claims incurred but not yet reported. Management considers a number of factors, including third-party actuarial analysis, previous experience in our portfolio, and future increases in costs of claims, when making these determinations. If our liability costs exceed these accruals, it will reduce our net income.

We reserve for estimated losses, if any, associated with warranties given to a buyer at the time real estate is sold or other potential liabilities relating to that sale, taking any insurance policies into account. These warranties may extend up to ten years and require significant judgment. If changes in facts and circumstances indicate that warranty reserves are understated, we will accrue additional reserves at such time a liability has been incurred and the costs can be reasonably estimated. Warranty reserves are released once the legal liability period has expired or all related work has been substantially completed. During 2016, the legal liability period relating to our latent defect warranty on condominiums sold at Santana Row expired. Upon expiration, we released the remaining $4.9 million warranty reserve which is included in "gain on sale of real estate and change in control of interests" in the consolidated statement of comprehensive income for the year ended December 31, 2016.

At December 31, 2017 and 2016, our reserves for general liability costs were $3.3 million and $2.8 million, respectively, and are included in “accounts payable and accrued expenses” in our consolidated balance sheets. Any potential losses which exceed our estimates would result in a decrease in our net income. During 2017 and 2016, we made payments from these reserves of $1.4 million and $2.0 million, respectively. Although we consider the reserve to be adequate, there can be no assurance that the reserve will prove to be adequate over-time to cover losses due to the difference between the assumptions used to estimate the reserve and actual losses.

At December 31, 2017, we had letters of credit outstanding of approximately $1.3 million.

As of December 31, 2017 in connection with capital improvement, development, and redevelopment projects, the Trust has contractual obligations of approximately $326.6 million.

We are obligated under ground lease agreements on several shopping centers requiring minimum annual payments as follows, as of December 31, 2017:

	(In thousands)
Year ending December 31,
2018	$	4,583
2019	4,737
2020	4,749
2021	4,757
2022	4,873
Thereafter	188,132
	$	211,831

A master lease for Mercer Mall includes a fixed purchase price option for $55 million in 2023. If we fail to exercise our purchase option, the owner of Mercer Mall has a put option which would require us to purchase Mercer Mall for $60 million in 2025.

Under the terms of the Congressional Plaza partnership agreement, a minority partner has the right to require us and the other minority partner to purchase its 26.63% interest in Congressional Plaza at the interest’s then-current fair market value. If the other minority partner defaults in their obligation, we must purchase the full interest. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $81 million to $85 million.

A master lease for Melville Mall includes a fixed purchase price option in 2021 for $5 million. If we fail to exercise our purchase option, the owner of Melville Mall has a put option which would require us to purchase Melville Mall in 2023 for $5 million.

The other member in Montrose Crossing has the right to require us to purchase all of its 10.1% interest in Montrose Crossing at the interest's then-current fair market value. If the other member fails to exercise its put option, we have the right to purchase its interest on or after December 27, 2021 at fair market value. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $12 million to $13 million.

Two of the members in Plaza El Segundo have the right to require us to purchase their 10.0% and 11.8% ownership interests at the interests' then-current fair market value. If the members fail to exercise their put options, we have the right to purchase each of their interests on or after December 30, 2026 at fair market value. Based on management’s current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from approximately $26 million to $29 million.

Effective January 1, 2017, the other member in The Grove at Shrewsbury and Brook 35 has the right to require us to purchase all of its approximately 4.8% interest in The Grove at Shrewsbury and approximately 8.8% interest in Brook 35 at the interests' then-current fair market value. Based on management's current estimate of fair market value as of December 31, 2017, our estimated maximum liability upon exercise of the put option would range from $9 million to $10 million.

Under the terms of certain partnership agreements, the partners have the right to exchange their operating partnership units for cash or the same number of our common shares, at our option. A total of 787,962 downREIT operating partnership units are outstanding which have a total fair value of $104.6 million, based on our closing stock price on December 31, 2017.

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Shareholders' Equity

12 Months Ended

Dec. 31, 2017

Stockholders' Equity Note [Abstract]

SHAREHOLDERS’ EQUITY

SHAREHOLDERS’ EQUITY

We have a Dividend Reinvestment Plan (the “Plan”), whereby shareholders may use their dividends and optional cash payments to purchase shares. In 2017, 2016 and 2015, 17,911 shares, 15,619 shares and 16,524 shares, respectively, were issued under the Plan.

On September 29, 2017, we issued 6,000,000 Depository Shares, each representing 1/1000th interest of 5.0% Series C Cumulative Redeemable Preferred Share, par value $0.01 per share ("Series C Preferred Shares"), at the liquidation preference of $25.00 per depository share (or $25,000 per Series C Preferred share) in an underwritten public offering. The Series C Preferred Shares accrue dividends at a rate of 5.0% of the $25,000 liquidation preference per year and are redeemable at our option on or after September 29, 2022. Additionally, they are not convertible and holders of these shares generally have no voting rights, unless we fail to pay dividends for six or more quarters. The net proceeds after underwriting fees and other costs were approximately $145.0 million.

As of December 31, 2017, 2016, and 2015, we had 399,896 shares of 5.417% Series 1 Cumulative Convertible Preferred Shares (“Series 1 Preferred Shares”) outstanding that have a liquidation preference of $25 per share and par value $0.01 per share. The Series 1 Preferred Shares accrue dividends at a rate of 5.417% per year and are convertible at any time by the holders to our common shares at a conversion rate of $104.69 per share. The Series 1 Preferred Shares are also convertible under certain circumstances at our election. The holders of the Series 1 Preferred Shares have no voting rights.

On November 4, 2016, we replaced our existing at-the-market (“ATM”) equity program with a new ATM equity program in which we may from time to time offer and sell common shares having an aggregate offering price of up to $400.0 million. We intend to use the net proceeds to fund potential acquisition opportunities, fund our development and redevelopment pipeline, repay amounts of outstanding under our revolving credit facility and/or for general corporate purposes. For the year ended December 31, 2017, we issued 826,517 common shares at a weighted average price per share of $132.56 for net cash proceeds of $108.3 million and paid $1.1 million in commissions and $0.2 million in additional offering expenses related to the sales of these common shares. For the year ended December 31, 2016, we issued 1,156,571 common shares at a weighted average price per share of $152.92 for net cash proceeds of $174.8 million and paid $1.8 million in commissions and $0.2 million in additional offering expenses related to the sales of these common shares. As of December 31, 2017, we had the capacity to issue up to $261.3 million in common shares under our ATM equity program.

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Dividends

12 Months Ended

Dec. 31, 2017

Dividends [Abstract]

DIVIDENDS

DIVIDENDS

The following table provides a summary of dividends declared and paid per share:

	Year Ended December 31,
	2017				2016				2015
	Declared		Paid		Declared		Paid		Declared		Paid
Common shares	$	3.960	$	3.940	$	3.840	$	3.800	$	3.620	$	3.550
5.417% Series 1 Cumulative Convertible Preferred shares	$	1.354	$	1.354	$	1.354	$	1.354	$	1.354	$	1.354
5.0% Series C Cumulative Redeemable Preferred shares (1)	$	0.368	$	—	$	—	$	—	$	—	$	—
(1) Amount represents dividends per depository share, each representing 1/1000th of a share.

A summary of the income tax status of dividends per share paid is as follows:

	Year Ended December 31,
	2017		2016		2015
Common shares
Ordinary dividend	$	3.940	$	3.800	$	3.515
Capital gain	—		—		0.035
	$	3.940	$	3.800	$	3.550
5.417% Series 1 Cumulative Convertible Preferred shares
Ordinary dividend	$	1.354	$	1.354	$	1.340
Capital gain	—		—		0.014
	$	1.354	$	1.354	$	1.354

On November 1, 2017, the Trustees declared a quarterly cash dividend of $1.00 per common share, payable January 16, 2018 to common shareholders of record on January 2, 2018.

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Operating Leases

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

OPERATING LEASES

OPERATING LEASES

At December 31, 2017, our 104 predominantly retail shopping center and mixed-use properties are located in 12 states and the District of Columbia. There are approximately 3,000 leases with tenants providing a wide range of retail products and services. These tenants range from sole proprietorships to national retailers; no one tenant or corporate group of tenants accounts for more than 2.9% of annualized base rent.

Our leases with commercial property and residential tenants are classified as operating leases. Commercial property leases generally range from three to ten years (certain leases with anchor tenants may be longer), and in addition to minimum rents, may provide for percentage rents based on the tenant’s level of sales achieved and cost recoveries for the tenant’s share of certain operating costs. Leases on apartments are generally for a period of 1 year or less.

As of December 31, 2017, minimum future commercial property rentals from noncancelable operating leases, before any reserve for uncollectible amounts and assuming no early lease terminations, at our operating properties are as follows:

	(In thousands)
Year ending December 31,
2018	$	593,461
2019	537,822
2020	474,369
2021	401,869
2022	328,302
Thereafter	1,402,509
	$	3,738,332

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Components Of Rental Income

12 Months Ended

Dec. 31, 2017

Components Of Rental Income and Expense [Abstract]

COMPONENTS OF RENTAL INCOME AND EXPENSE

COMPONENTS OF RENTAL INCOME AND EXPENSE

The principal components of rental income are as follows:

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Minimum rents
Retail and commercial	$	585,178	$	549,552	$	509,825
Residential	55,416		49,465		42,797
Cost reimbursement	171,528		158,042		148,110
Percentage rent	11,148		10,977		11,911
Other	18,191		18,547		15,169
Total rental income	$	841,461	$	786,583	$	727,812

Minimum rents include the following:

	Year Ended December 31,
	2017		2016		2015
	(In millions)
Straight-line rents	$	12.9	$	8.1	$	7.6
Net amortization of above and below market leases	$	4.7	$	1.8	$	2.7

The principal components of rental expenses are as follows:

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Repairs and maintenance	$	67,996	$	64,942	$	62,420
Utilities	25,763		24,968		23,003
Management fees and costs	22,297		20,823		18,639
Payroll	14,922		13,832		12,673
Marketing	9,007		8,520		9,046
Insurance	7,762		7,758		7,875
Ground rent	3,826		2,561		2,540
Bad debt expense	2,591		2,375		1,168
Other operating	10,726		12,547		10,229
Total rental expenses	$	164,890	$	158,326	$	147,593

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Share-Based Compensation Plans

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

SHARE-BASED COMPENSATION PLANS

SHARE-BASED COMPENSATION PLANS

A summary of share-based compensation expense included in net income is as follows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
Grants of common shares and options	$	12,371		$	11,227		$	12,074
Capitalized share-based compensation	(1,385		)	(1,310		)	(868		)
Share-based compensation expense	$	10,986		$	9,917		$	11,206

As of December 31, 2017, we have grants outstanding under two share-based compensation plans. In May 2010, our shareholders approved the 2010 Performance Incentive Plan, as amended (the "2010 Plan”), which authorized the grant of share options, common shares and other share-based awards for up to 2,450,000 common shares of beneficial interest. Our 2001 Long Term Incentive Plan (the “2001 Plan”), which expired in May 2010, authorized the grant of share options, common shares and other share-based awards of 3,250,000 common shares of beneficial interest.

Option awards under both plans are required to have an exercise price at least equal to the closing trading price of our common shares on the date of grant. Options and restricted share awards under these plans generally vest over three to seven years and option awards typically have a ten-year contractual term. We pay dividends on unvested shares. Certain options and share awards provide for accelerated vesting if there is a change in control. Additionally, the vesting on certain option and share awards can accelerate in part or in full upon retirement based on the age of the retiree or upon termination without cause.

The fair value of each option award is estimated on the date of grant using the Black-Scholes model. Expected volatilities, term, dividend yields, employee exercises and estimated forfeitures are primarily based on historical data. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The fair value of each share award is determined based on the closing trading price of our common shares on the grant date. No options were granted in 2017 and 2015.

The following table provides a summary of the weighted-average assumption used to value options granted in 2016:

Volatility	18.8	%
Expected dividend yield	2.8	%
Expected term (in years)	6.0
Risk free interest rate	1.5	%

The following table provides a summary of option activity for 2017:

	Shares Under Option		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
					(In years)	(In thousands)
Outstanding at December 31, 2016	259,119		$	56.66
Granted	—		—
Exercised	(152,634	)	65.37
Forfeited or expired	—		—
Outstanding at December 31, 2017	106,485		$	44.18	1.2	$	9,451
Exercisable at December 31, 2017	105,939		$	43.62	1.1	$	9,451

The weighted-average grant-date fair value of options granted in 2016 was $19.52 per share. The total cash received from options exercised during 2017, 2016 and 2015 was $10.0 million, $4.5 million and $2.0 million, respectively. The total intrinsic value of options exercised during the years ended December 31, 2017, 2016 and 2015 was $10.7 million, $4.2 million and $2.1 million, respectively.

The following table provides a summary of restricted share activity for 2017:

	Shares		Weighted-Average Grant-Date Fair Value
Unvested at December 31, 2016	217,353		$	142.70
Granted	109,815		139.31
Vested	(87,704	)	131.55
Forfeited	(2,293	)	142.09
Unvested at December 31, 2017	237,171

The weighted-average grant-date fair value of stock awarded in 2017, 2016 and 2015 was $139.31, $152.70 and $141.08, respectively. The total vesting-date fair value of shares vested during the year ended December 31, 2017, 2016 and 2015, was $12.5 million, $13.8 million and $26.1 million, respectively.

As of December 31, 2017, there was $17.6 million of total unrecognized compensation cost related to unvested share-based compensation arrangements (i.e. options and unvested shares) granted under our plans. This cost is expected to be recognized over the next 6.4 years with a weighted-average period of 2.2 years.

Subsequent to December 31, 2017, common shares were awarded under various compensation plans as follows:

Date	Award		Vesting Term	Beneficiary
January 2, 2018	5,416	Shares	Immediate	Trustees
February 7, 2018	92,552	Restricted shares	3-4 years	Officers and key employees
February 7, 2018	488	Options	5 years	Officers and key employees

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Savings and Retirement Plans

12 Months Ended

Dec. 31, 2017

Savings and Retirement Plans [Abstract]

SAVINGS AND RETIREMENT PLANS

SAVINGS AND RETIREMENT PLANS

We have a savings and retirement plan in accordance with the provisions of Section 401(k) of the Code. Generally, employees can elect, at their discretion, to contribute a portion of their compensation up to a maximum of $18,000 for 2017, 2016, and 2015. Under the plan, we contribute 50% of each employee’s elective deferrals up to 5% of eligible earnings. In addition, we may make discretionary contributions within the limits of deductibility set forth by the Code. Our full-time employees are immediately eligible to become plan participants. Employees are eligible to receive matching contributions immediately on their participation; however, these matching payments will not vest until their third anniversary of employment. Our expense for the years ended December 31, 2017, 2016 and 2015 was approximately $632,000, $602,000 and $504,000, respectively.

A non-qualified deferred compensation plan for our officers and certain other employees was established in 1994 that allows the participants to defer a portion of their income. As of December 31, 2017 and 2016, we are liable to participants for approximately $12.8 million and $10.5 million, respectively, under this plan. Although this is an unfunded plan, we have purchased certain investments to match this obligation. Our obligation under this plan and the related investments are both included in the accompanying consolidated financial statements.

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Earnings Per Share

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

We have calculated earnings per share (“EPS”) under the two-class method. The two-class method is an earnings allocation methodology whereby EPS for each class of common stock and participating securities is calculated according to dividends declared and participation rights in undistributed earnings. For 2017, 2016, and 2015 we had 0.2 million weighted average unvested shares outstanding, which are considered participating securities. Therefore, we have allocated our earnings for basic and diluted EPS between common shares and unvested shares; the portion of earnings allocated to the unvested shares is reflected as “earnings allocated to unvested shares” in the reconciliation below.

In the dilutive EPS calculation, dilutive stock options were calculated using the treasury stock method consistent with prior periods. There were 682 anti-dilutive stock options in 2017, and no anti-dilutive stock options in 2016 or 2015. The conversions of downREIT operating partnership units and 5.417% Series 1 Cumulative Convertible Preferred Shares are anti-dilutive for all periods presented and accordingly, have been excluded from the weighted average common shares used to compute diluted EPS.

	Year Ended December 31,
	2017			2016			2015
	(In thousands, except per share data)
NUMERATOR
Income from continuing operations	$	219,948		$	226,425		$	190,094
Less: Preferred share dividends	(2,458		)	(541		)	(541		)
Less: Income from continuing operations attributable to noncontrolling interests	(7,666		)	(7,648		)	(8,205		)
Less: Earnings allocated to unvested shares	(942		)	(702		)	(797		)
Income from continuing operations available for common shareholders	208,882			217,534			180,551
Gain on sale of real estate and change in control of interests, net	77,632			31,133			28,330
Net income available for common shareholders, basic and diluted	$	286,514		$	248,667		$	208,881
DENOMINATOR
Weighted average common shares outstanding—basic	72,117			70,877			68,797
Effect of dilutive securities:
Stock options	116			172			184
Weighted average common shares outstanding—diluted	72,233			71,049			68,981
EARNINGS PER COMMON SHARE, BASIC
Net income available for common shareholders	$	3.97		$	3.51		$	3.04
EARNINGS PER COMMON SHARE, DILUTED
Net income available for common shareholders	$	3.97		$	3.50		$	3.03
Income from continuing operations attributable to the Trust	$	212,282		$	218,777		$	181,889

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Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

Summarized quarterly financial data is as follows:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands, except per share data)
2017
Revenue	$	207,389	$	208,049	$	217,953	$	223,957
Operating income	$	81,544	$	83,090	$	84,497	$	83,157
Net income(1)	$	58,070	$	78,133	$	108,882	$	52,785
Net income attributable to the Trust(1)	$	56,190	$	76,291	$	106,777	$	50,656
Net income available for common shareholders(1)	$	56,055	$	76,156	$	106,600	$	48,645
Earnings per common share—basic(1)	$	0.78	$	1.05	$	1.47	$	0.67
Earnings per common share—diluted(1)	$	0.78	$	1.05	$	1.47	$	0.67
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands, except per share data)
2016
Revenue	$	198,344	$	197,981	$	201,157	$	204,109
Operating income	$	76,922	$	80,135	$	80,461	$	83,477
Net income(2)	$	79,063	$	58,898	$	61,198	$	59,724
Net income attributable to the Trust(2)	$	76,955	$	55,941	$	58,977	$	58,037
Net income available for common shareholders(2)	$	76,820	$	55,806	$	58,841	$	57,902
Earnings per common share—basic(2)	$	1.10	$	0.79	$	0.82	$	0.81
Earnings per common share—diluted(2)	$	1.10	$	0.78	$	0.82	$	0.80

(1) Second quarter 2017 includes a $15.4 million gain related to the sale of three ground lease parcels at our Assembly Row property in Somerville, Massachusetts. Third quarter 2017 includes a $50.8 million gain on sale of real estate from our 150 Post Street and North Lake Commons properties. Fourth quarter 2017 includes a $6.5 million gain related to the sale of a parcel of land at our Bethesda Row property. Additionally, second, third, and fourth quarter 2017 include net percentage-of-completion gains of $3.3 million, $0.6 million, and $1.5 million, respectively, related to condominiums under binding contract at our Assembly Row property. All of these transactions are further discussed in Note 3. Fourth quarter 2017 includes a $12.3 million early extinguishment of debt charge as further discussed in Note 5.

(2) First quarter 2016 includes a $25.7 million gain on change in control of interests from our Clarion Partners acquisition as further discussed in Note 3. Third quarter 2016 includes a $4.9 million gain on sale from the reversal of our warranty reserve on condominiums sold at Santana Row as further discussed in Note 7.

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Schedule III - Summary of Real Estate and Accumulated Depreciation

12 Months Ended

Dec. 31, 2017

SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]

Schedule III - Summary of Real Estate and Accumulated Depreciation

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B		COLUMN C				COLUMN D		COLUMN E						COLUMN F		COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance		Initial cost to company				Cost Capitalized Subsequent to Acquisition		Gross amount at which carried at close of period						Accumulated Depreciation and Amortization		Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
				Land		Building and Improvements				Land		Building and Improvements		Total
29TH PLACE (Virginia)	VA	$	4,312	$	10,211	$	18,863	$	11,973	$	10,195	$	30,852	$	41,047	$	12,144	1975 - 2001	5/30/2007	35 years
ANDORRA (Pennsylvania)	PA			2,432		12,346		11,161		2,432		23,507		25,939		19,028		1953	1/12/1988	35 years
ASSEMBLY ROW/ASSEMBLY SQUARE MARKETPLACE (Massachusetts)	MA			93,252		34,196		564,077		69,421		622,104		691,525		43,659		2005, 2012-2017	2005-2013	35 years
ATLANTIC PLAZA (Massachusetts)	MA			6,293		17,109		2,325		6,293		19,434		25,727		1,863		1960	1/13/2016	35 years
AZALEA (California)	CA	39,609		40,219		67,117		4		40,219		67,121		107,340		1,049		2014	8/2/2017	35 years
BALA CYNWYD (Pennsylvania)	PA			3,565		14,466		23,443		2,581		38,893		41,474		20,299		1955	9/22/1993	35 years
BARCROFT PLAZA (Virginia)	VA			12,617		29,603		3,279		12,617		32,882		45,499		2,030		1963, 1972, 1990, & 2000	1/13/16 & 11/7/16	35 years
BARRACKS ROAD (Virginia)	VA			4,363		16,459		47,088		4,363		63,547		67,910		42,077		1958	12/31/1985	35 years
BELL GARDENS (California)	CA	12,682		18,021		82,470		159		18,021		82,629		100,650		1,843		1990, 2003, 2006	8/2/2017	35 years
BETHESDA ROW (Maryland)	MD			46,579		35,406		144,089		43,896		182,178		226,074		73,883		1945-2008	12/31/93, 6/2/97, 1/20/06, 9/25/08, 9/30/08, & 12/27/10	35 - 50 years
BRICK PLAZA (New Jersey)	NJ			—		24,715		51,757		3,945		72,527		76,472		47,932		1958	12/28/1989	35 years
BRISTOL PLAZA (Connecticut)	CT			3,856		15,959		11,849		3,856		27,808		31,664		17,680		1959	9/22/1995	35 years
BROOK 35 (New Jersey)	NJ	11,263		7,128		38,355		2,043		7,128		40,398		47,526		5,494		1986/2004	1/1/2014	35 years
CAMPUS PLAZA (Massachusetts)	MA			16,710		13,412		429		16,710		13,841		30,551		1,243		1970	1/13/2016	35 years
CHELSEA COMMONS (Massachusetts)	MA	6,037		9,417		19,466		14,015		9,396		33,502		42,898		8,509		1962/1969/2008	8/25/06, 1/30/07, & 7/16/08	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
COCOWALK (Florida)	FL		35,063	71,476	9,881	34,406	82,014	116,420	6,536	1990/1994, 1922-1973	5/4/15, 7/1/15, 12/16/15, 7/26/16, 6/30/17, & 8/10/17	35 years
COLORADO BLVD (California)	CA		5,262	4,071	10,184	5,262	14,255	19,517	10,678	1905-1988	12/31/96 & 8/14/98	35 years
CONGRESSIONAL PLAZA (Maryland)	MD		2,793	7,424	92,104	1,020	101,301	102,321	53,731	1965/2003	4/1/1965	35 years
COURTHOUSE CENTER (Maryland)	MD		1,750	1,869	1,532	1,750	3,401	5,151	1,923	1975	12/17/1997	35 years
CROSSROADS (Illinois)	IL		4,635	11,611	16,882	4,635	28,493	33,128	16,494	1959	7/19/1993	35 years
CROW CANYON COMMONS (California)	CA		27,245	54,575	8,525	27,245	63,100	90,345	21,704	Late 1970's/ 1998/2006	12/29/05 & 2/28/07	35 years
DARIEN (Connecticut)	CT		29,809	18,302	1,862	29,809	20,164	49,973	3,075	1920-2009	4/3/2013	35 years
DEDHAM PLAZA (Massachusetts)	MA		14,841	12,918	13,317	14,841	26,235	41,076	15,380	1959	12/31/93 & 12/14/16	35 years
DEL MAR VILLAGE (Florida)	FL		15,624	41,712	8,057	15,587	49,806	65,393	20,432	1982/1994/2007	5/30/08, 7/11/08, & 10/14/14	35 years
EAST BAY BRIDGE (California)	CA		29,079	138,035	11,772	29,079	149,807	178,886	25,229	1994-2001, 2011/2012	12/21/2012	35 years
EASTGATE CROSSING (North Carolina)	NC		1,608	5,775	26,981	1,608	32,756	34,364	19,622	1963	12/18/1986	35 years
ELLISBURG (New Jersey)	NJ		4,028	11,309	19,211	4,013	30,535	34,548	20,099	1959	10/16/1992	35 years
ESCONDIDO PROMENADE (California)	CA		19,117	15,829	14,530	19,117	30,359	49,476	16,037	1987	12/31/96 & 11/10/10	35 years
FALLS PLAZA (Virginia)	VA		1,798	1,270	10,943	1,819	12,192	14,011	8,664	1960/1962	9/30/67 & 10/05/72	25 years
FEDERAL PLAZA (Maryland)	MD		10,216	17,895	41,769	10,216	59,664	69,880	42,794	1970	6/29/1989	35 years
FINLEY SQUARE (Illinois)	IL		9,252	9,544	19,604	9,252	29,148	38,400	19,836	1974	4/27/1995	35 years
FLOURTOWN (Pennsylvania)	PA		1,345	3,943	11,666	1,345	15,609	16,954	5,981	1957	4/25/1980	35 years
FOURTH STREET (California)	CA		13,928	9,909	39	13,928	9,948	23,876	248	1948,1975	5/19/2017	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
FREE STATE SHOPPING CENTER (Maryland)	MD		18,581	41,658	4,538	18,581	46,196	64,777	3,741	1970	1/13/2016	35 years
FRESH MEADOWS (New York)	NY		24,625	25,255	40,395	24,633	65,642	90,275	37,948	1946-1949	12/5/1997	35 years
FRIENDSHIP CENTER (District of Columbia)	DC		12,696	20,803	4,616	12,696	25,419	38,115	11,917	1998	9/21/2001	35 years
GAITHERSBURG SQUARE (Maryland)	MD		7,701	5,271	14,468	5,973	21,467	27,440	17,830	1966	4/22/1993	35 years
GARDEN MARKET (Illinois)	IL		2,677	4,829	6,909	2,677	11,738	14,415	7,569	1958	7/28/1994	35 years
GOVERNOR PLAZA (Maryland)	MD		2,068	4,905	20,319	2,068	25,224	27,292	20,241	1963	10/1/1985	35 years
GRAHAM PARK PLAZA (Virginia)	VA		1,237	15,096	18,874	1,169	34,038	35,207	28,053	1971	7/21/1983	35 years
GRATIOT PLAZA (Michigan)	MI		525	1,601	17,702	525	19,303	19,828	17,270	1964	3/29/1973	25.75 years
GREENLAWN PLAZA (New York)	NY		10,590	20,869	245	10,590	21,114	31,704	1,756	1975/2004	1/13/2016	35 years
GREENWICH AVENUE (Connecticut)	CT		7,484	5,444	1,199	7,484	6,643	14,127	4,170	1968	4/12/1995	35 years
HASTINGS RANCH PLAZA (California)	CA		—	22,393	236	—	22,629	22,629	699	1958, 1984, 2006, 2007	2/1/2017	35 years
HAUPPAUGE (New York)	NY		8,791	15,262	5,018	8,419	20,652	29,071	11,724	1963	8/6/1998	35 years
HERMOSA AVENUE (California)	CA		1,116	280	4,648	1,368	4,676	6,044	3,298	1922	9/17/1997	35 years
HOLLYWOOD BLVD (California)	CA		8,300	16,920	21,719	8,370	38,569	46,939	14,755	1929/1991	3/22/99 & 6/18/99	35 years
HUNTINGTON (New York)	NY		12,194	16,008	19,144	12,194	35,152	47,346	15,825	1962	12/12/88, 10/26/07, & 11/24/15	35 years
HUNTINGTON SQUARE (New York)	NY		—	10,075	2,106	—	12,181	12,181	3,317	1980/2004-2007	8/16/2010	35 years
IDYLWOOD PLAZA (Virginia)	VA		4,308	10,026	2,579	4,308	12,605	16,913	8,928	1991	4/15/1994	35 years
KINGS COURT (California)	CA		—	10,714	954	—	11,668	11,668	8,776	1960	8/24/1998	26 years
LANCASTER (Pennsylvania)	PA	4,907	—	2,103	12,010	75	14,038	14,113	8,212	1958	4/24/1980	22 years
LANGHORNE SQUARE (Pennsylvania)	PA		720	2,974	18,432	720	21,406	22,126	15,170	1966	1/31/1985	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
LAUREL (Maryland)	MD		7,458	22,525	27,344	7,464	49,863	57,327	37,461	1956	8/15/1986	35 years
LAWRENCE PARK (Pennsylvania)	PA		6,150	8,491	20,524	6,161	29,004	35,165	24,693	1972	7/23/1980 & 4/3/17	22 years
LEESBURG PLAZA (Virginia)	VA		8,184	10,722	17,582	8,184	28,304	36,488	14,689	1967	9/15/1998	35 years
LINDEN SQUARE (Massachusetts)	MA		79,382	19,247	50,074	79,347	69,356	148,703	22,208	1960-2008	8/24/2006	35 years
MELVILLE MALL (New York)	NY		35,622	32,882	20,096	35,622	52,978	88,600	12,458	1974	10/16/2006	35 years
MERCER MALL (New Jersey)	NJ	55,548	29,738	51,047	45,957	29,738	97,004	126,742	41,330	1975	10/14/03 & 1/31/17	25 - 35 years
MONTROSE CROSSING (Maryland)	MD	71,054	48,624	91,819	19,678	48,624	111,497	160,121	24,840	1960s, 1970s, 1996 & 2011	12/27/11 & 12/19/13	35 years
MOUNT VERNON/SOUTH VALLEY/7770 RICHMOND HWY. (Virginia)	VA		10,068	33,501	41,132	10,230	74,471	84,701	34,011	1966/1972/1987/2001	3/31/03, 3/21/03, & 1/27/06	35 years
NORTH DARTMOUTH (Massachusetts)	MA		9,366	—	3	9,366	3	9,369	—	2004	8/24/2006
NORTHEAST (Pennsylvania)	PA		1,152	10,596	18,679	1,153	29,274	30,427	20,496	1959	8/30/1983	35 years
OLD KEENE MILL (Virginia)	VA		638	998	6,212	638	7,210	7,848	5,418	1968	6/15/1976	33.33 years
OLD TOWN CENTER (California)	CA		3,420	2,765	30,997	3,420	33,762	37,182	21,217	1962, 1997-1998	10/22/1997	35 years
OLIVO AT MISSION HILLS (California)	CA		15,048	46,732	10,358	15,048	57,090	72,138	213	2017	8/2/2017	35 years
PAN AM (Virginia)	VA		8,694	12,929	7,610	8,695	20,538	29,233	15,159	1979	2/5/1993	35 years
PENTAGON ROW (Virginia)	VA		—	2,955	100,369	—	103,324	103,324	46,051	1999 - 2002	1998 & 11/22/10	35 years
PERRING PLAZA (Maryland)	MD		2,800	6,461	21,836	2,800	28,297	31,097	23,112	1963	10/1/1985	35 years
PIKE & ROSE (Maryland)	MD		31,471	10,335	543,484	29,903	555,387	585,290	23,148	1963, 2012-2017	5/18/82, 10/26/07, & 7/31/12	50 years
PIKE 7 PLAZA (Virginia)	VA		14,970	22,799	6,929	14,914	29,784	44,698	16,745	1968	3/31/97 & 7/8/15	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
PLAZA DEL MERCADO (Maryland)	MD		10,305	21,553	14,329	10,305	35,882	46,187	2,341	1969	1/13/2016	35 years
PLAZA DEL SOL (California)	CA	8,746	5,605	12,331	—	5,605	12,331	17,936	212	2009	8/2/2017	35 years
PLAZA EL SEGUNDO/THE POINT (California)	CA	124,151	62,127	153,556	65,337	64,463	216,557	281,020	39,623	2006/2007/2016	12/30/11, 6/14/13, 7/26/13, & 12/27/13	35 years
PLAZA PACOIMA (California)	CA		38,138	12,227	—	38,138	12,227	50,365	225	2010	8/2/2017	35 years
QUEEN ANNE PLAZA (Massachusetts)	MA		3,319	8,457	6,519	3,319	14,976	18,295	9,881	1967	12/23/1994	35 years
QUINCE ORCHARD (Maryland)	MD		3,197	7,949	27,772	2,928	35,990	38,918	19,478	1975	4/22/1993	35 years
RIVERPOINT CENTER (Illinois)	IL		15,422	104,575	82	15,422	104,657	120,079	2,626	1989, 2012	3/31/2017	35 years
ROCKVILLE TOWN SQUARE (Maryland)	MD	4,455	—	8,092	43,010	—	51,102	51,102	16,823	2005 - 2007	2006 - 2007	50 years
ROLLINGWOOD APTS. (Maryland)	MD	20,785	552	2,246	7,988	572	10,214	10,786	9,358	1960	1/15/1971	25 years
SAM'S PARK & SHOP (District of Columbia)	DC		4,840	6,319	1,679	4,840	7,998	12,838	5,158	1930	12/1/1995	35 years
SAN ANTONIO CENTER (California)	CA		39,920	32,466	1,334	39,920	33,800	73,720	4,714	1958, 1964-1965, 1974-1975, 1995-1997	1/9/2015	35 years
SANTANA ROW (California)	CA		66,682	7,502	788,049	57,578	804,655	862,233	182,514	1999-2006, 2009, 2011, 2014, 2016-2017	3/5/97, 7/13/12, 9/6/12, 4/30/13 & 9/23/13	40 - 50 years
SAUGUS PLAZA (Massachusetts)	MA		4,383	8,291	2,588	4,383	10,879	15,262	6,702	1976	10/1/1996	35 years
SYLMAR TOWNE CENTER (California)	CA	18,010	18,522	24,636	376	18,522	25,012	43,534	389	1973	8/2/2017	35 years
THE AVENUE AT WHITE MARSH (Maryland)	MD	52,489	20,682	72,432	23,014	20,685	95,443	116,128	32,066	1997	3/8/2007	35 years
THE GROVE AT SHREWSBURY (New Jersey)	NJ	53,218	18,016	103,115	3,886	18,021	106,996	125,017	13,884	1988/1993/2007	1/1/2014 & 10/6/14	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B		COLUMN C				COLUMN D		COLUMN E						COLUMN F		COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance		Initial cost to company				Cost Capitalized Subsequent to Acquisition		Gross amount at which carried at close of period						Accumulated Depreciation and Amortization		Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
				Land		Building and Improvements				Land		Building and Improvements		Total
THE SHOPPES AT NOTTINGHAM SQUARE (Maryland)	MD			4,441		12,849		254		4,441		13,103		17,544		4,912		2005 - 2006	3/8/2007	35 years
THE SHOPS AT SUNSET PLACE (Florida)	FL	69,149		64,499		50,853		8,160		64,499		59,013		123,512		6,629		1999	10/1/2015	35 years
THIRD STREET PROMENADE (California)	CA			22,645		12,709		43,309		25,125		53,538		78,663		32,281		1888-2000	1996-2000	35 years
TOWER SHOPPNG CENTER (Virginia)	VA			7,170		10,518		4,240		7,280		14,648		21,928		8,738		1953-1960	8/24/1998	35 years
TOWER SHOPS (Florida)	FL			29,940		43,390		24,219		29,962		67,587		97,549		15,761		1989	1/19/11 & 6/13/14	35 years
TOWN CENTER OF NEW BRITAIN (Pennsylvania)	PA			1,282		12,285		1,679		1,470		13,776		15,246		5,087		1969	6/29/2006	35 years
TOWSON RESIDENTIAL (FLATS @703) (Maryland)	MD			2,328		—		20,048		2,328		20,048		22,376		221		2016-2017	3/8/2007	35 years
TROY (New Jersey)	NJ			3,126		5,193		28,424		5,865		30,878		36,743		21,234		1966	7/23/1980	22 years
TYSON'S STATION (Virginia)	VA			388		453		3,825		475		4,191		4,666		3,737		1954	1/17/1978	17 years
VILLAGE AT SHIRLINGTON (Virginia)	VA	6,646		9,761		14,808		40,418		4,234		60,753		64,987		27,322		1940, 2006-2009	12/21/1995	35 years
WESTGATE CENTER (California)	CA			6,319		107,284		39,726		6,319		147,010		153,329		48,562		1960-1966	3/31/2004	35 years
WHITE MARSH PLAZA (Maryland)	MD			3,478		21,413		645		3,478		22,058		25,536		8,491		1987	3/8/2007	35 years
WHITE MARSH OTHER (Maryland)	MD			31,953		1,843		140		31,983		1,953		33,936		811		1985	3/8/2007	35 years
WILDWOOD (Maryland)	MD			9,111		1,061		10,291		9,111		11,352		20,463		8,839		1958	5/5/1969	33.33 years
WILLOW GROVE (Pennsylvania)	PA			1,499		6,643		22,115		1,499		28,758		30,257		26,206		1953	11/20/1984	35 years
WILLOW LAWN (Virginia)	VA			3,192		7,723		84,407		7,790		87,532		95,322		56,879		1957	12/5/1983	35 years
WYNNEWOOD (Pennsylvania)	PA			8,055		13,759		21,092		8,055		34,851		42,906		23,196		1948	10/29/1996	35 years
TOTALS		$	563,061	$	1,459,351	$	2,425,230	$	3,750,480	$	1,427,777	$	6,207,284	$	7,635,061	$	1,876,544

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Total Cost (in thousands)
Balance, December 31, 2014	$	5,608,998
Additions during period
Acquisitions	291,726
Improvements	281,471
Deduction during period—dispositions and retirements of property	(117,789		)
Balance, December 31, 2015	6,064,406
Additions during period
Acquisitions	229,296
Improvements	483,932
Deduction during period—dispositions and retirements of property	(18,561		)
Balance, December 31, 2016	6,759,073
Additions during period
Acquisitions	555,476
Improvements	492,541
Deduction during period—dispositions and retirements of property	(172,029		)
Balance, December 31, 2017 (1)	$	7,635,061

_____________________

(1) For Federal tax purposes, the aggregate cost basis is approximately $6.7 billion as of December 31, 2017.

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Accumulated Depreciation and Amortization (in thousands)
Balance, December 31, 2014	$	1,467,050
Additions during period—depreciation and amortization expense	156,513
Deductions during period—dispositions and retirements of property	(49,522		)
Balance, December 31, 2015	1,574,041
Additions during period—depreciation and amortization expense	173,244
Deductions during period—dispositions and retirements of property	(18,051		)
Balance, December 31, 2016	1,729,234
Additions during period—depreciation and amortization expense	193,340
Deductions during period—dispositions and retirements of property	(46,030		)
Balance, December 31, 2017	$	1,876,544

XML

Schedule III Part II - Summary of Real Estate and Accumulated Depreciation

12 Months Ended

Dec. 31, 2017

SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]

Schedule III - Summary of Real Estate and Accumulated Depreciation

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B		COLUMN C				COLUMN D		COLUMN E						COLUMN F		COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance		Initial cost to company				Cost Capitalized Subsequent to Acquisition		Gross amount at which carried at close of period						Accumulated Depreciation and Amortization		Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
				Land		Building and Improvements				Land		Building and Improvements		Total
29TH PLACE (Virginia)	VA	$	4,312	$	10,211	$	18,863	$	11,973	$	10,195	$	30,852	$	41,047	$	12,144	1975 - 2001	5/30/2007	35 years
ANDORRA (Pennsylvania)	PA			2,432		12,346		11,161		2,432		23,507		25,939		19,028		1953	1/12/1988	35 years
ASSEMBLY ROW/ASSEMBLY SQUARE MARKETPLACE (Massachusetts)	MA			93,252		34,196		564,077		69,421		622,104		691,525		43,659		2005, 2012-2017	2005-2013	35 years
ATLANTIC PLAZA (Massachusetts)	MA			6,293		17,109		2,325		6,293		19,434		25,727		1,863		1960	1/13/2016	35 years
AZALEA (California)	CA	39,609		40,219		67,117		4		40,219		67,121		107,340		1,049		2014	8/2/2017	35 years
BALA CYNWYD (Pennsylvania)	PA			3,565		14,466		23,443		2,581		38,893		41,474		20,299		1955	9/22/1993	35 years
BARCROFT PLAZA (Virginia)	VA			12,617		29,603		3,279		12,617		32,882		45,499		2,030		1963, 1972, 1990, & 2000	1/13/16 & 11/7/16	35 years
BARRACKS ROAD (Virginia)	VA			4,363		16,459		47,088		4,363		63,547		67,910		42,077		1958	12/31/1985	35 years
BELL GARDENS (California)	CA	12,682		18,021		82,470		159		18,021		82,629		100,650		1,843		1990, 2003, 2006	8/2/2017	35 years
BETHESDA ROW (Maryland)	MD			46,579		35,406		144,089		43,896		182,178		226,074		73,883		1945-2008	12/31/93, 6/2/97, 1/20/06, 9/25/08, 9/30/08, & 12/27/10	35 - 50 years
BRICK PLAZA (New Jersey)	NJ			—		24,715		51,757		3,945		72,527		76,472		47,932		1958	12/28/1989	35 years
BRISTOL PLAZA (Connecticut)	CT			3,856		15,959		11,849		3,856		27,808		31,664		17,680		1959	9/22/1995	35 years
BROOK 35 (New Jersey)	NJ	11,263		7,128		38,355		2,043		7,128		40,398		47,526		5,494		1986/2004	1/1/2014	35 years
CAMPUS PLAZA (Massachusetts)	MA			16,710		13,412		429		16,710		13,841		30,551		1,243		1970	1/13/2016	35 years
CHELSEA COMMONS (Massachusetts)	MA	6,037		9,417		19,466		14,015		9,396		33,502		42,898		8,509		1962/1969/2008	8/25/06, 1/30/07, & 7/16/08	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
COCOWALK (Florida)	FL		35,063	71,476	9,881	34,406	82,014	116,420	6,536	1990/1994, 1922-1973	5/4/15, 7/1/15, 12/16/15, 7/26/16, 6/30/17, & 8/10/17	35 years
COLORADO BLVD (California)	CA		5,262	4,071	10,184	5,262	14,255	19,517	10,678	1905-1988	12/31/96 & 8/14/98	35 years
CONGRESSIONAL PLAZA (Maryland)	MD		2,793	7,424	92,104	1,020	101,301	102,321	53,731	1965/2003	4/1/1965	35 years
COURTHOUSE CENTER (Maryland)	MD		1,750	1,869	1,532	1,750	3,401	5,151	1,923	1975	12/17/1997	35 years
CROSSROADS (Illinois)	IL		4,635	11,611	16,882	4,635	28,493	33,128	16,494	1959	7/19/1993	35 years
CROW CANYON COMMONS (California)	CA		27,245	54,575	8,525	27,245	63,100	90,345	21,704	Late 1970's/ 1998/2006	12/29/05 & 2/28/07	35 years
DARIEN (Connecticut)	CT		29,809	18,302	1,862	29,809	20,164	49,973	3,075	1920-2009	4/3/2013	35 years
DEDHAM PLAZA (Massachusetts)	MA		14,841	12,918	13,317	14,841	26,235	41,076	15,380	1959	12/31/93 & 12/14/16	35 years
DEL MAR VILLAGE (Florida)	FL		15,624	41,712	8,057	15,587	49,806	65,393	20,432	1982/1994/2007	5/30/08, 7/11/08, & 10/14/14	35 years
EAST BAY BRIDGE (California)	CA		29,079	138,035	11,772	29,079	149,807	178,886	25,229	1994-2001, 2011/2012	12/21/2012	35 years
EASTGATE CROSSING (North Carolina)	NC		1,608	5,775	26,981	1,608	32,756	34,364	19,622	1963	12/18/1986	35 years
ELLISBURG (New Jersey)	NJ		4,028	11,309	19,211	4,013	30,535	34,548	20,099	1959	10/16/1992	35 years
ESCONDIDO PROMENADE (California)	CA		19,117	15,829	14,530	19,117	30,359	49,476	16,037	1987	12/31/96 & 11/10/10	35 years
FALLS PLAZA (Virginia)	VA		1,798	1,270	10,943	1,819	12,192	14,011	8,664	1960/1962	9/30/67 & 10/05/72	25 years
FEDERAL PLAZA (Maryland)	MD		10,216	17,895	41,769	10,216	59,664	69,880	42,794	1970	6/29/1989	35 years
FINLEY SQUARE (Illinois)	IL		9,252	9,544	19,604	9,252	29,148	38,400	19,836	1974	4/27/1995	35 years
FLOURTOWN (Pennsylvania)	PA		1,345	3,943	11,666	1,345	15,609	16,954	5,981	1957	4/25/1980	35 years
FOURTH STREET (California)	CA		13,928	9,909	39	13,928	9,948	23,876	248	1948,1975	5/19/2017	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
FREE STATE SHOPPING CENTER (Maryland)	MD		18,581	41,658	4,538	18,581	46,196	64,777	3,741	1970	1/13/2016	35 years
FRESH MEADOWS (New York)	NY		24,625	25,255	40,395	24,633	65,642	90,275	37,948	1946-1949	12/5/1997	35 years
FRIENDSHIP CENTER (District of Columbia)	DC		12,696	20,803	4,616	12,696	25,419	38,115	11,917	1998	9/21/2001	35 years
GAITHERSBURG SQUARE (Maryland)	MD		7,701	5,271	14,468	5,973	21,467	27,440	17,830	1966	4/22/1993	35 years
GARDEN MARKET (Illinois)	IL		2,677	4,829	6,909	2,677	11,738	14,415	7,569	1958	7/28/1994	35 years
GOVERNOR PLAZA (Maryland)	MD		2,068	4,905	20,319	2,068	25,224	27,292	20,241	1963	10/1/1985	35 years
GRAHAM PARK PLAZA (Virginia)	VA		1,237	15,096	18,874	1,169	34,038	35,207	28,053	1971	7/21/1983	35 years
GRATIOT PLAZA (Michigan)	MI		525	1,601	17,702	525	19,303	19,828	17,270	1964	3/29/1973	25.75 years
GREENLAWN PLAZA (New York)	NY		10,590	20,869	245	10,590	21,114	31,704	1,756	1975/2004	1/13/2016	35 years
GREENWICH AVENUE (Connecticut)	CT		7,484	5,444	1,199	7,484	6,643	14,127	4,170	1968	4/12/1995	35 years
HASTINGS RANCH PLAZA (California)	CA		—	22,393	236	—	22,629	22,629	699	1958, 1984, 2006, 2007	2/1/2017	35 years
HAUPPAUGE (New York)	NY		8,791	15,262	5,018	8,419	20,652	29,071	11,724	1963	8/6/1998	35 years
HERMOSA AVENUE (California)	CA		1,116	280	4,648	1,368	4,676	6,044	3,298	1922	9/17/1997	35 years
HOLLYWOOD BLVD (California)	CA		8,300	16,920	21,719	8,370	38,569	46,939	14,755	1929/1991	3/22/99 & 6/18/99	35 years
HUNTINGTON (New York)	NY		12,194	16,008	19,144	12,194	35,152	47,346	15,825	1962	12/12/88, 10/26/07, & 11/24/15	35 years
HUNTINGTON SQUARE (New York)	NY		—	10,075	2,106	—	12,181	12,181	3,317	1980/2004-2007	8/16/2010	35 years
IDYLWOOD PLAZA (Virginia)	VA		4,308	10,026	2,579	4,308	12,605	16,913	8,928	1991	4/15/1994	35 years
KINGS COURT (California)	CA		—	10,714	954	—	11,668	11,668	8,776	1960	8/24/1998	26 years
LANCASTER (Pennsylvania)	PA	4,907	—	2,103	12,010	75	14,038	14,113	8,212	1958	4/24/1980	22 years
LANGHORNE SQUARE (Pennsylvania)	PA		720	2,974	18,432	720	21,406	22,126	15,170	1966	1/31/1985	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
LAUREL (Maryland)	MD		7,458	22,525	27,344	7,464	49,863	57,327	37,461	1956	8/15/1986	35 years
LAWRENCE PARK (Pennsylvania)	PA		6,150	8,491	20,524	6,161	29,004	35,165	24,693	1972	7/23/1980 & 4/3/17	22 years
LEESBURG PLAZA (Virginia)	VA		8,184	10,722	17,582	8,184	28,304	36,488	14,689	1967	9/15/1998	35 years
LINDEN SQUARE (Massachusetts)	MA		79,382	19,247	50,074	79,347	69,356	148,703	22,208	1960-2008	8/24/2006	35 years
MELVILLE MALL (New York)	NY		35,622	32,882	20,096	35,622	52,978	88,600	12,458	1974	10/16/2006	35 years
MERCER MALL (New Jersey)	NJ	55,548	29,738	51,047	45,957	29,738	97,004	126,742	41,330	1975	10/14/03 & 1/31/17	25 - 35 years
MONTROSE CROSSING (Maryland)	MD	71,054	48,624	91,819	19,678	48,624	111,497	160,121	24,840	1960s, 1970s, 1996 & 2011	12/27/11 & 12/19/13	35 years
MOUNT VERNON/SOUTH VALLEY/7770 RICHMOND HWY. (Virginia)	VA		10,068	33,501	41,132	10,230	74,471	84,701	34,011	1966/1972/1987/2001	3/31/03, 3/21/03, & 1/27/06	35 years
NORTH DARTMOUTH (Massachusetts)	MA		9,366	—	3	9,366	3	9,369	—	2004	8/24/2006
NORTHEAST (Pennsylvania)	PA		1,152	10,596	18,679	1,153	29,274	30,427	20,496	1959	8/30/1983	35 years
OLD KEENE MILL (Virginia)	VA		638	998	6,212	638	7,210	7,848	5,418	1968	6/15/1976	33.33 years
OLD TOWN CENTER (California)	CA		3,420	2,765	30,997	3,420	33,762	37,182	21,217	1962, 1997-1998	10/22/1997	35 years
OLIVO AT MISSION HILLS (California)	CA		15,048	46,732	10,358	15,048	57,090	72,138	213	2017	8/2/2017	35 years
PAN AM (Virginia)	VA		8,694	12,929	7,610	8,695	20,538	29,233	15,159	1979	2/5/1993	35 years
PENTAGON ROW (Virginia)	VA		—	2,955	100,369	—	103,324	103,324	46,051	1999 - 2002	1998 & 11/22/10	35 years
PERRING PLAZA (Maryland)	MD		2,800	6,461	21,836	2,800	28,297	31,097	23,112	1963	10/1/1985	35 years
PIKE & ROSE (Maryland)	MD		31,471	10,335	543,484	29,903	555,387	585,290	23,148	1963, 2012-2017	5/18/82, 10/26/07, & 7/31/12	50 years
PIKE 7 PLAZA (Virginia)	VA		14,970	22,799	6,929	14,914	29,784	44,698	16,745	1968	3/31/97 & 7/8/15	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B	COLUMN C		COLUMN D	COLUMN E			COLUMN F	COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance	Initial cost to company		Cost Capitalized Subsequent to Acquisition	Gross amount at which carried at close of period			Accumulated Depreciation and Amortization	Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
			Land	Building and Improvements		Land	Building and Improvements	Total
PLAZA DEL MERCADO (Maryland)	MD		10,305	21,553	14,329	10,305	35,882	46,187	2,341	1969	1/13/2016	35 years
PLAZA DEL SOL (California)	CA	8,746	5,605	12,331	—	5,605	12,331	17,936	212	2009	8/2/2017	35 years
PLAZA EL SEGUNDO/THE POINT (California)	CA	124,151	62,127	153,556	65,337	64,463	216,557	281,020	39,623	2006/2007/2016	12/30/11, 6/14/13, 7/26/13, & 12/27/13	35 years
PLAZA PACOIMA (California)	CA		38,138	12,227	—	38,138	12,227	50,365	225	2010	8/2/2017	35 years
QUEEN ANNE PLAZA (Massachusetts)	MA		3,319	8,457	6,519	3,319	14,976	18,295	9,881	1967	12/23/1994	35 years
QUINCE ORCHARD (Maryland)	MD		3,197	7,949	27,772	2,928	35,990	38,918	19,478	1975	4/22/1993	35 years
RIVERPOINT CENTER (Illinois)	IL		15,422	104,575	82	15,422	104,657	120,079	2,626	1989, 2012	3/31/2017	35 years
ROCKVILLE TOWN SQUARE (Maryland)	MD	4,455	—	8,092	43,010	—	51,102	51,102	16,823	2005 - 2007	2006 - 2007	50 years
ROLLINGWOOD APTS. (Maryland)	MD	20,785	552	2,246	7,988	572	10,214	10,786	9,358	1960	1/15/1971	25 years
SAM'S PARK & SHOP (District of Columbia)	DC		4,840	6,319	1,679	4,840	7,998	12,838	5,158	1930	12/1/1995	35 years
SAN ANTONIO CENTER (California)	CA		39,920	32,466	1,334	39,920	33,800	73,720	4,714	1958, 1964-1965, 1974-1975, 1995-1997	1/9/2015	35 years
SANTANA ROW (California)	CA		66,682	7,502	788,049	57,578	804,655	862,233	182,514	1999-2006, 2009, 2011, 2014, 2016-2017	3/5/97, 7/13/12, 9/6/12, 4/30/13 & 9/23/13	40 - 50 years
SAUGUS PLAZA (Massachusetts)	MA		4,383	8,291	2,588	4,383	10,879	15,262	6,702	1976	10/1/1996	35 years
SYLMAR TOWNE CENTER (California)	CA	18,010	18,522	24,636	376	18,522	25,012	43,534	389	1973	8/2/2017	35 years
THE AVENUE AT WHITE MARSH (Maryland)	MD	52,489	20,682	72,432	23,014	20,685	95,443	116,128	32,066	1997	3/8/2007	35 years
THE GROVE AT SHREWSBURY (New Jersey)	NJ	53,218	18,016	103,115	3,886	18,021	106,996	125,017	13,884	1988/1993/2007	1/1/2014 & 10/6/14	35 years

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in thousands)
COLUMN A		COLUMN B		COLUMN C				COLUMN D		COLUMN E						COLUMN F		COLUMN G	COLUMN H	COLUMN I
Descriptions		Encumbrance		Initial cost to company				Cost Capitalized Subsequent to Acquisition		Gross amount at which carried at close of period						Accumulated Depreciation and Amortization		Date of Construction	Date Acquired	Life on  which depreciation in latest income statements is computed
				Land		Building and Improvements				Land		Building and Improvements		Total
THE SHOPPES AT NOTTINGHAM SQUARE (Maryland)	MD			4,441		12,849		254		4,441		13,103		17,544		4,912		2005 - 2006	3/8/2007	35 years
THE SHOPS AT SUNSET PLACE (Florida)	FL	69,149		64,499		50,853		8,160		64,499		59,013		123,512		6,629		1999	10/1/2015	35 years
THIRD STREET PROMENADE (California)	CA			22,645		12,709		43,309		25,125		53,538		78,663		32,281		1888-2000	1996-2000	35 years
TOWER SHOPPNG CENTER (Virginia)	VA			7,170		10,518		4,240		7,280		14,648		21,928		8,738		1953-1960	8/24/1998	35 years
TOWER SHOPS (Florida)	FL			29,940		43,390		24,219		29,962		67,587		97,549		15,761		1989	1/19/11 & 6/13/14	35 years
TOWN CENTER OF NEW BRITAIN (Pennsylvania)	PA			1,282		12,285		1,679		1,470		13,776		15,246		5,087		1969	6/29/2006	35 years
TOWSON RESIDENTIAL (FLATS @703) (Maryland)	MD			2,328		—		20,048		2,328		20,048		22,376		221		2016-2017	3/8/2007	35 years
TROY (New Jersey)	NJ			3,126		5,193		28,424		5,865		30,878		36,743		21,234		1966	7/23/1980	22 years
TYSON'S STATION (Virginia)	VA			388		453		3,825		475		4,191		4,666		3,737		1954	1/17/1978	17 years
VILLAGE AT SHIRLINGTON (Virginia)	VA	6,646		9,761		14,808		40,418		4,234		60,753		64,987		27,322		1940, 2006-2009	12/21/1995	35 years
WESTGATE CENTER (California)	CA			6,319		107,284		39,726		6,319		147,010		153,329		48,562		1960-1966	3/31/2004	35 years
WHITE MARSH PLAZA (Maryland)	MD			3,478		21,413		645		3,478		22,058		25,536		8,491		1987	3/8/2007	35 years
WHITE MARSH OTHER (Maryland)	MD			31,953		1,843		140		31,983		1,953		33,936		811		1985	3/8/2007	35 years
WILDWOOD (Maryland)	MD			9,111		1,061		10,291		9,111		11,352		20,463		8,839		1958	5/5/1969	33.33 years
WILLOW GROVE (Pennsylvania)	PA			1,499		6,643		22,115		1,499		28,758		30,257		26,206		1953	11/20/1984	35 years
WILLOW LAWN (Virginia)	VA			3,192		7,723		84,407		7,790		87,532		95,322		56,879		1957	12/5/1983	35 years
WYNNEWOOD (Pennsylvania)	PA			8,055		13,759		21,092		8,055		34,851		42,906		23,196		1948	10/29/1996	35 years
TOTALS		$	563,061	$	1,459,351	$	2,425,230	$	3,750,480	$	1,427,777	$	6,207,284	$	7,635,061	$	1,876,544

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Total Cost (in thousands)
Balance, December 31, 2014	$	5,608,998
Additions during period
Acquisitions	291,726
Improvements	281,471
Deduction during period—dispositions and retirements of property	(117,789		)
Balance, December 31, 2015	6,064,406
Additions during period
Acquisitions	229,296
Improvements	483,932
Deduction during period—dispositions and retirements of property	(18,561		)
Balance, December 31, 2016	6,759,073
Additions during period
Acquisitions	555,476
Improvements	492,541
Deduction during period—dispositions and retirements of property	(172,029		)
Balance, December 31, 2017 (1)	$	7,635,061

_____________________

(1) For Federal tax purposes, the aggregate cost basis is approximately $6.7 billion as of December 31, 2017.

FEDERAL REALTY INVESTMENT TRUST SCHEDULE III SUMMARY OF REAL ESTATE AND ACCUMULATED DEPRECIATION - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Accumulated Depreciation and Amortization (in thousands)
Balance, December 31, 2014	$	1,467,050
Additions during period—depreciation and amortization expense	156,513
Deductions during period—dispositions and retirements of property	(49,522		)
Balance, December 31, 2015	1,574,041
Additions during period—depreciation and amortization expense	173,244
Deductions during period—dispositions and retirements of property	(18,051		)
Balance, December 31, 2016	1,729,234
Additions during period—depreciation and amortization expense	193,340
Deductions during period—dispositions and retirements of property	(46,030		)
Balance, December 31, 2017	$	1,876,544

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Schedule IV - Mortgage Loans on Real Estate

12 Months Ended

Dec. 31, 2017

Mortgage Loans on Real Estate [Abstract]

Schedule IV - Mortgage Loans on Real Estate

FEDERAL REALTY INVESTMENT TRUST SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE Year Ended December 31, 2017 (Dollars in thousands)
Column A	Column B	Column C	Column D	Column E		Column F		Column G			Column H
Description of Lien	Interest Rate	Maturity Date	Periodic Payment Terms	Prior Liens		Face Amount of Mortgages		Carrying Amount of Mortgages(1)			Principal Amount of Loans Subject to delinquent Principal or Interest
Mortgage on retail buildings in Philadelphia, PA	8% or 10% based on timing of draws, plus participation	May 2021	Interest only monthly; balloon payment due at maturity	$	—	$	21,179	$	21,179	(2)	$	—
Mortgage on retail buildings in Philadelphia, PA	10% plus participation	May 2021	Interest only monthly; balloon payment due at maturity	—		9,250		9,250			—
				$	—	$	30,429	$	30,429		$	—

_____________________

(1) For Federal tax purposes, the aggregate tax basis is approximately $30.4 million as of December 31, 2017.

(2) This mortgage is available for up to $25.0 million.

FEDERAL REALTY INVESTMENT TRUST SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE - CONTINUED Three Years Ended December 31, 2017 Reconciliation of Carrying Amount (in thousands)
Balance, December 31, 2014	$	50,988
Additions during period:
Issuance of loans	368
Deductions during period:
Collection and satisfaction of loans	(10,692		)
Amortization of discount	954
Balance, December 31, 2015	41,618
Deductions during period:
Collection and satisfaction of loans	(11,714		)
Balance, December 31, 2016	29,904
Additions during period:
Issuance of loans	525
Balance, December 31, 2017	$	30,429

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Summary Of Significant Accounting Policies (Policy)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Principles of Consolidation

Principles of Consolidation

Our consolidated financial statements include the accounts of the Trust, its corporate subsidiaries, and all entities in which the Trust has a controlling interest or has been determined to be the primary beneficiary of a variable interest entity (“VIE”). The equity interests of other investors are reflected as noncontrolling interests or redeemable noncontrolling interests. All significant intercompany transactions and balances are eliminated in consolidation. We account for our interests in joint ventures, which we do not control, using the equity method of accounting. Certain 2016 and 2015 amounts have been reclassified to conform to current period presentation.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, referred to as “GAAP,” requires management to make estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities, and revenues and expenses. These estimates are prepared using management’s best judgment, after considering past, current and expected events and economic conditions. Actual results could differ from these estimates.

Revenue Recognition and Accounts Receivable

Revenue Recognition and Accounts Receivable

Our leases with tenants are classified as operating leases. Substantially all such leases contain fixed escalations which occur at specified times during the term of the lease. Base rents are recognized on a straight-line basis from when the tenant controls the space through the term of the related lease, net of valuation adjustments, based on management’s assessment of credit, collection and other business risk. Percentage rents, which represent additional rents based upon the level of sales achieved by certain tenants, are recognized at the end of the lease year or earlier if we have determined the required sales level is achieved and the percentage rents are collectible. Real estate tax and other cost reimbursements are recognized on an accrual basis over the periods in which the related expenditures are incurred. For a tenant to terminate its lease agreement prior to the end of the agreed term, we may require that they pay a fee to cancel the lease agreement. Lease termination fees for which the tenant has relinquished control of the space are generally recognized on the termination date. When a lease is terminated early but the tenant continues to control the space under a modified lease agreement, the lease termination fee is generally recognized evenly over the remaining term of the modified lease agreement.

We make estimates of the collectability of our accounts receivable related to minimum rents, straight-line rents, expense reimbursements and other revenue. Accounts receivable is carried net of this allowance for doubtful accounts. Our determination as to the collectability of accounts receivable and correspondingly, the adequacy of this allowance, is based primarily upon evaluations of individual receivables, current economic conditions, historical experience and other relevant factors. The allowance for doubtful accounts is increased or decreased through bad debt expense. Accounts receivable are written-off when they are deemed to be uncollectible and we are no longer actively pursuing collection. At December 31, 2017 and 2016, our allowance for doubtful accounts was $11.8 million and $11.9 million, respectively.

In some cases, primarily relating to straight-line rents, the collection of accounts receivable extends beyond one year. Our experience relative to unbilled straight-line rents is that a portion of the amounts otherwise recognizable as revenue is never billed to or collected from tenants due to early lease terminations, lease modifications, bankruptcies and other factors. Accordingly, the extended collection period for straight-line rents along with our evaluation of tenant credit risk may result in the nonrecognition of a portion of straight-line rental income until the collection of such income is reasonably assured. If our evaluation of tenant credit risk changes indicating more straight-line revenue is reasonably collectible than previously estimated and realized, the additional straight-line rental income is recognized as revenue. If our evaluation of tenant credit risk changes indicating a portion of realized straight-line rental income is no longer collectible, a reserve and bad debt expense is recorded. At December 31, 2017 and 2016, accounts receivable include approximately $93.1 million and $80.6 million, respectively, related to straight-line rents.

We are currently under construction on 221 condominium units at our Assembly Row and Pike & Rose properties. Gains or losses on the sale of these condominium units are recognized in accordance with the provisions of ASC Topic 360-20, “Property, Plant and Equipment – Real Estate Sales.” We account for contracted condominium sales under the percentage-of completion method, based on an evaluation of the criteria specified in ASC Topic 360-20 including: the legal commitment of the purchaser in the real estate contract, whether the construction of the project is beyond a preliminary phase, whether sufficient units have been contracted to ensure the project will not revert to a rental project, the ability to reasonably estimate the aggregate project sale proceeds and aggregate project costs, and the determination that the buyer has made an adequate initial and continuing cash investment under the contract. When the percentage-of-completion criteria have not been met, no profit is recognized. The application of these criteria can be complex and requires us to make assumptions. See "Recent Accounting Pronouncements," for discussion of change in timing of revenue recognition with the adoption of ASU 2014-09 on January 1, 2018.

Real Estate

Real Estate

Land, buildings and improvements are recorded at cost. Depreciation is computed using the straight-line method. Estimated useful lives range generally from 35 years to a maximum of 50 years on buildings and major improvements. Minor improvements, furniture and equipment are capitalized and depreciated over useful lives ranging from 2 to 20 years. Maintenance and repairs that do not improve or extend the useful lives of the related assets are charged to operations as incurred. Tenant improvements are capitalized and depreciated over the life of the related lease or their estimated useful life, whichever is shorter. If a tenant vacates its space prior to contractual termination of its lease, the undepreciated balance of any tenant improvements are written off if they are replaced or have no future value. In 2017, 2016 and 2015, real estate depreciation expense was $193.3 million, $173.2 million and $156.5 million, respectively, including amounts from real estate sold and assets under capital lease obligations.

Sales of real estate are recognized only when sufficient down payments have been obtained, possession and other attributes of ownership have been transferred to the buyer and we have no significant continuing involvement. The application of these criteria can be complex and requires us to make assumptions. We believe these criteria were met for all real estate sold during the periods presented.

Our methodology of allocating the cost of acquisitions to assets acquired and liabilities assumed is based on estimated fair values, replacement cost and/or appraised values. When we acquire operating real estate properties, the purchase price is allocated to land, building, improvements, leasing costs, intangibles such as in-place leases, assumed debt, if any, and to current assets and liabilities acquired, if any. The value allocated to in-place leases is amortized over the related lease term and reflected as rental income in the consolidated statements of comprehensive income. We consider qualitative and quantitative factors in evaluating the likelihood of a tenant exercising a below market renewal option and include such renewal options in the calculation of in-place lease value when we consider these to be bargain renewal options. If the value of below market lease intangibles includes renewal option periods, we include such renewal periods in the amortization period utilized. If a tenant vacates its space prior to contractual termination of its lease, the unamortized balance of any in-place lease value is written off to rental income.

Transaction costs related to asset acquisitions, such as broker fees, transfer taxes, legal, accounting, valuation, and other professional and consulting fees, are capitalized as part of the acquisition cost. The acquisition of an operating shopping center typically qualifies as an asset acquisition. See "Recent Accounting Pronouncements" for further discussion.

When applicable, as lessee, we classify our leases of land and building as operating or capital leases. We are required to use judgment and make estimates in determining the lease term, the estimated economic life of the property and the interest rate to be used in determining whether or not the lease meets the qualification of a capital lease and is recorded as an asset.

We capitalize certain costs related to the development and redevelopment of real estate including pre-construction costs, real estate taxes, insurance, construction costs and salaries and related costs of personnel directly involved. Additionally, we capitalize interest costs related to development and redevelopment activities. Capitalization of these costs begin when the activities and related expenditures commence and cease when the project is substantially complete and ready for its intended use at which time the project is placed in service and depreciation commences. Additionally, we make estimates as to the probability of certain development and redevelopment projects being completed. If we determine the development or redevelopment is no longer probable of completion, we expense all capitalized costs which are not recoverable.

We review for impairment on a property by property basis. Impairment is recognized on properties held for use when the expected undiscounted cash flows for a property are less than its carrying amount at which time the property is written-down to fair value. Properties held for sale are recorded at the lower of the carrying amount or the expected sales price less costs to sell.

Cash and Cash Equivalents

Cash and Cash Equivalents

We define cash and cash equivalents as cash on hand, demand deposits with financial institutions and short term liquid investments with an initial maturity, when purchased, under three months. Cash balances in individual banks may exceed the federally insured limit by the Federal Deposit Insurance Corporation (the “FDIC”). At December 31, 2017, we had $19.6 million in excess of the FDIC insured limit.

Prepaid Expenses and Other Assets

Prepaid Expenses and Other Assets

Prepaid expenses and other assets consist primarily of lease costs, prepaid property taxes and acquired above market leases. Capitalized lease costs are direct costs incurred which were essential to originate a lease and would not have been incurred had the leasing transaction not taken place and include third party commissions and salaries and related costs of personnel directly related to time spent obtaining a lease. Capitalized lease costs are amortized over the life of the related lease. If a tenant vacates its space prior to the contractual termination of its lease, the unamortized balance of any previously capitalized lease costs are written off.

Debt Issuance Costs

Debt Issuance Costs

Costs related to the issuance of debt instruments are deferred and are amortized as interest expense over the estimated life of the related issue using the straight-line method which approximates the effective interest method. If a debt instrument is paid off prior to its original maturity date, the unamortized balance of debt issuance costs are written off to interest expense or, if significant, included in “early extinguishment of debt.” Debt issuance costs related to our revolving credit facility are classified as an asset and are included in "prepaid expenses and other assets" in our consolidated balance sheets. All other debt issuance costs are presented as a direct deduction from the carrying amount of the debt liability.

Derivative Instruments

Derivative Instruments

At times, we may use derivative instruments to manage exposure to variable interest rate risk. We generally enter into interest rate swaps to manage our exposure to variable interest rate risk and treasury locks to manage the risk of interest rates rising prior to the issuance of debt. We enter into derivative instruments that qualify as cash flow hedges and do not enter into derivative instruments for speculative purposes.

The interest rate swaps associated with our cash flow hedges are recorded at fair value on a recurring basis. We assess effectiveness of our cash flow hedges both at inception and on an ongoing basis. The effective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recorded in accumulated other comprehensive loss and is subsequently reclassified into interest expense as interest is incurred on the related variable rate debt; within the next twelve months, we expect to reclassify less than an estimated $0.1 million as an increase to interest expense. Our cash flow hedges become ineffective if critical terms of the hedging instrument and the debt instrument do not perfectly match such as notional amounts, settlement dates, reset dates, calculation period and LIBOR rate. In addition, we evaluate the default risk of the counterparty by monitoring the credit worthiness of the counterparty. When ineffectiveness exists, the ineffective portion of changes in fair value of the interest rate swaps associated with our cash flow hedges is recognized in earnings in the period affected. Hedge ineffectiveness did not impact earnings in 2017, 2016 or 2015, and we do not anticipate it will have a significant effect in the future.

See Note 6 for additional disclosures relating to our two existing interest rate swap agreements.

Mortgage Notes Receivable

Mortgage Notes Receivable

We have made certain mortgage loans that, because of their nature, qualify as loan receivables. At the time the loans were made, we did not intend for the arrangement to be anything other than a financing and did not contemplate a real estate investment. We evaluate each investment to determine whether the loan arrangement qualifies as a loan, joint venture or real estate investment and the appropriate accounting thereon. Such determination affects our balance sheet classification of these investments and the recognition of interest income derived therefrom. We receive additional interest, however, we never receive in excess of 50% of the residual profit in the project, and because the borrower has either a substantial investment in the project or has guaranteed all or a portion of our loan (or a combination thereof), the loans qualify for loan accounting. The amounts under these arrangements are presented as mortgage notes receivable at December 31, 2017 and 2016.

Mortgage notes receivable are recorded at cost, net of any valuation adjustments. Interest income is accrued as earned. Mortgage notes receivable are considered past due based on the contractual terms of the note agreement. On a quarterly basis, we evaluate the collectability of each mortgage note receivable based on various factors which may include payment history, expected fair value of the collateral securing the loan, internal and external credit information and/or economic trends. A loan is considered impaired when, based upon current information and events, it is probable that we will be unable to collect all amounts due under the existing contractual terms. When a loan is considered impaired, the amount of the loss accrual is calculated by comparing the carrying amount of the mortgage note receivable to the present value of expected future cash flows. Since our loans are collateralized by a first mortgage, the loans have risk characteristics similar to the risks in owning commercial real estate.

At December 31, 2017 and 2016, we had two mortgage notes receivable, with aggregate carrying amounts of $30.4 million and $29.9 million, respectively, with a weighted average interest rate of 10.0% and 9.9%, respectively, which were secured by first mortgages on retail buildings.

Share Based Compensation

Share Based Compensation

We grant share based compensation awards to employees and trustees typically in the form of restricted common shares, common shares, and options. We measure share based compensation expense based on the grant date fair value of the award and recognize the expense ratably over the requisite service period, which is typically the vesting period. See Note 12 for further discussion regarding our share based compensation plans and policies. Effective January 1, 2017, we adopted ASU 2016-09, "Compensation-Stock Compensation," which impacts accounting for forfeitures and the classification for shares withheld for employee taxes on the Statement of Cash Flows. See "Recent Accounting Pronouncements" for further discussion.

Variable Interest Entities

Variable Interest Entities

Certain entities that do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties or in which equity investors do not have the characteristics of a controlling financial interest qualify as VIEs. VIEs are required to be consolidated by their primary beneficiary. The primary beneficiary of a VIE has both the power to direct the activities that most significantly impact economic performance of the VIE and the obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE.

We have 17 entities that meet the criteria of a VIE in which we hold a variable interest. For each of these entities we control the significant operating decisions and consequently have the power to direct the activities that most significantly impact the economic performance of the entities. As we also have the obligation to absorb the majority of the losses and/or the right to receive a majority of the benefits for each of these entities, all are consolidated in our financial statements. Net real estate assets and mortgage payables related to variable interest entities included in our consolidated balance sheets were approximately $1.4 billion and $460.4 million, respectively, as of December 31, 2017, and $1.0 billion and $439.1 million, respectively, as of December 31, 2016.

In addition, our equity method investments in the Pike & Rose hotel joint venture and the La Alameda shopping center are also considered variable interests in a VIE. As we do not control the activities that most significantly impact the economic performance of the joint ventures, we are not the primary beneficiary and do not consolidate. As of December 31, 2017 and 2016 our investment in the joint ventures and maximum exposure to loss was $23.9 million and $13.5 million, respectively.

We have also evaluated our mortgage notes receivable investments and determined that the entities obligated under the mortgage notes are not VIEs. Our equity method investments and mortgage notes receivable balances are presented separately in our consolidated balance sheets

Redeemable Noncontrolling Interests

Redeemable Noncontrolling Interests

We have certain noncontrolling interests that are redeemable for cash upon the occurrence of an event that is not solely in our control and therefore are classified outside of permanent equity. We adjust the carrying amounts of these noncontrolling interests that are currently redeemable to redemption value at the balance sheet date. Adjustments to the carrying amount to reflect changes in redemption value are recorded as adjustments to additional paid-in capital in shareholders' equity. These amounts are classified within the mezzanine section of the consolidated balance sheets.

The following table provides a rollforward of the redeemable noncontrolling interests:

	Year Ended
	December 31,
	2017			2016
	(In thousands)
Beginning balance	$	143,694		$	137,316
Contributions	11,109			—
Net income	3,874			2,713
Distributions & Redemptions	(6,914		)	(16,426		)
Change in redemption value	(10,606		)	20,091
Ending balance	$	141,157		$	143,694

On January 12, 2017, we exercised our purchase option on non-controlling interests in San Antonio Center for $2.6 million of cash and 44,195 of downREIT operating partnership units.

On February 12, 2016, we acquired the 10% noncontrolling interest in the partnership that owns our Hollywood Blvd project for $13.0 million, bringing our ownership interest to 100%.

Income Taxes

Income Taxes

We operate in a manner intended to enable us to qualify as a REIT for federal income tax purposes. A REIT that distributes at least 90% of its taxable income to its shareholders each year and meets certain other conditions is not taxed on that portion of its taxable income which is distributed to its shareholders. Therefore, federal income taxes on our taxable income have been and are generally expected to be immaterial. We are obligated to pay state taxes, generally consisting of franchise or gross receipts taxes in certain states. Such state taxes also have not been material.

We have elected to treat certain of our subsidiaries as taxable REIT subsidiaries, which we refer to as a TRS. In general, a TRS may engage in any real estate business and certain non-real estate businesses, subject to certain limitations under the Internal Revenue Code of 1986, as amended (the “Code”). A TRS is subject to federal and state income taxes. Our TRS activities have not been material.

With few exceptions, we are no longer subject to U.S. federal, state, and local tax examinations by tax authorities for years before 2013. As of December 31, 2017 and 2016, we had no material unrecognized tax benefits. While we currently have no material unrecognized tax benefits, as a policy, we recognize penalties and interest accrued related to unrecognized tax benefits as income tax expense.

Segment Information

Segment Information

Our primary business is the ownership, management, and redevelopment of retail and mixed-use properties. We review operating and financial information for each property on an individual basis and therefore, each property represents an individual operating segment. We evaluate financial performance using property operating income, which consists of rental income, other property income and mortgage interest income, less rental expenses and real estate taxes. No individual property constitutes more than 10% of our revenues or property operating income and we have no operations outside of the United States of America. Therefore, we have aggregated our properties into one reportable segment as the properties share similar long-term economic characteristics and have other similarities including the fact that they are operated using consistent business strategies, are typically located in major metropolitan areas, and have similar tenant mixes.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Recently adopted:
ASU 2016-09, March 2016, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting	This ASU simplifies the accounting for share-based payment transactions, including a policy election option with respect to accounting for forfeitures either as they occur or estimating forfeitures (as was previously required), as well as increasing the amount an employer can withhold to cover income taxes on equity awards. Additionally, it requires the cash paid to a taxing authority when shares are withheld to pay employee taxes to be classified as a "financing activity" rather than an "operating activity," as was done previously on the Statement of Cash Flows.	January 2017	The adoption of this standard resulted in accounting for forfeitures as they occur, and we have recorded the cumulative impact on the adoption date as a $0.1 million adjustment to additional paid-in capital and accumulated dividends in excess of net income. The amounts reclassified from "operating activities" to "financing activities" for shares withheld for employee taxes was $4.5 million and $9.2 million, respectively, for 2016 and 2015.
ASU 2017-01, January 2017, Business Combinations (Topic 805): Clarifying the Definition of a Business	This ASU changes the definition of a business to exclude acquisitions where substantially all of the fair value of the assets acquired are concentrated in a single identifiable asset or a group of similar identifiable assets. Given this change in definition, we believe most of our shopping center acquisitions will no longer be considered business combinations, but rather asset acquisitions.	January 2017	The largest impact of this standard is that transaction costs are capitalized for asset acquisitions rather than expensed when they are considered business combinations. Based on acquisitions in the last several years, transaction costs for a single shopping center acquisition have typically ranged from $0.2 million to $2.4 million with significantly higher transaction costs expected for an acquisition of a larger portfolio. We are applying the new guidance prospectively. Our acquisitions during the year ended December 31, 2017 (further discussed in Note 3) qualified as asset acquisitions and consequently, all transaction costs were capitalized after the adoption date.
Adopted Subsequent to December 31, 2017:
ASU 2016-15, August 2016, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments	This ASU provides classification guidance for eight specific topics including debt extinguishment costs, contingent consideration payments made after a business combination, and distributions received from equity method investees.	January 2018	This standard will require classification changes, however, it is not expected to have a significant impact to our consolidated financial statements.
ASU 2016-18, November 2016, Statement of Cash Flows (Topic 203) - Restricted Cash	This ASU requires that the statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or cash equivalents. Amounts generally described as restricted cash and equivalents should be included with cash and cash equivalents when reconciling the beginning and end of period total amounts on the statement of cash flows.	January 2018	This standard will require reclassification of certain restricted cash amounts on the consolidated statement of cash flows, but is not expected to have a significant impact to our consolidated financial statements.

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Revenue from Contracts with Customers (Topic 606) and related updates: ASU 2014-09, May    2014, Revenue from    Contracts with    Customers ASU 2015-14,    August 2015,    Revenue from    Contracts with    Customers: Deferral    of the Effective Date ASU 2016-08,    March 2016,    Revenue from    Contracts with    Customers:    Principal versus    Agent   Considerations ASU 2016-10, April    2016, Revenue from    Contracts with    Customers:    Identifying    Performance    Obligations and    Licensing ASU 2016-12, May    2016, Revenue from    Contracts with    Customers:    Narrow-Scope    Improvements and    Practical Expedients ASU 2016-20,    December 2016,    Revenue from    Contracts with    Customers:    Technical    Corrections and    Improvements	In May 2014, the the FASB issued ASU 2014-09, "Revenue from Contracts with Customers." ASU 2014-09 as amended and interpreted by ASU 2015-14, ASU 2016-08, ASU 2016-10, ASU 2016-12, and ASU 2016-20, supersedes nearly all existing revenue recognition guidance under GAAP and replaces it with a core revenue recognition principle, that an entity will recognize revenue when it transfers control of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services, and creates a five-step model for revenue recognition in accordance with this principle. ASU 2014-09 also requires new disclosures in both interim and annual reporting periods. The guidance in ASU 2014-09 does not apply to contracts within the scope of ASC 840, Leases. ASU 2016-08 clarifies how to identify the unit of accounting for the principal versus agent evaluation, how to apply the control principle to certain types of arrangements, such as service transactions, and reframed the indicators in the guidance to focus on evidence that an entity is acting as a principal rather than as an agent. ASU 2016-10 clarifies the existing guidance on identifying performance obligations and licensing implementation. ASU 2016-12 adds practical expedients related to the transition for contract modifications and further defines a completed contract, clarifies the objective of the collectability assessment and how revenue is recognized if collectability is not probable, and when non-cash considerations should be measured. ASU 2016-20 corrects or improves guidance in thirteen narrowly focused aspects of the guidance. The standard allows for either "full retrospective" adoption, meaning the standard is applied to all of the periods presented, or "modified retrospective" adoption, meaning the cumulative impact of applying the standard is recognized in accumulated dividends in excess of net income on the date of application.	January 2018	Currently, gains on contracted condominium sales are recognized using the percentage-of-completion method, with the gain recognized once certain criteria have been met in advance of legal closing (see further discussion in the "Revenue Recognition" section of Note 2 to the consolidated financial statements). Under the new guidance, condominium sale gains will be recognized as the condominium units are legally sold, which will typically be upon closing. The reversal of the gain will be recognized through equity, and will be reflected in accumulated dividends in excess of net income. Most of our revenue is accounted for under the leasing standard, and therefore is not subject to this standard. With the exception of condominium sales, the adoption of the standard will not have a significant impact on our consolidated financial statements. We will implement the new revenue recognition guidance retrospectively with the cumulative effect recognized in accumulated dividends in excess of net income at the date of initial application.

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
ASU 2017-05, February 2017, Other Income - Gains and Losses from the Recognition of Nonfinancial Assets (Subtopic 610-20): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets	This ASU clarifies that ASC 610-20 applies to all nonfinancial assets (including real estate) for which the counterparty is not a customer and also clarifies that all businesses are derecognized using the deconsolidation guidance. Additionally, it defines an insubstance nonfinancial asset as a financial asset that is promised to a counterparty in a contract in which substantially all of the fair value of the assets promised in the contract is concentrated in nonfinancial assets, which excludes cash or cash equivalents and liabilities. Under the current guidance, a partial sale is recognized and carryover basis is used for the retained interest, however, the new guidance eliminates the use of carryover basis and generally requires a full gain to be recognized for prospective disposals of nonfinancial assets.	January 2018	The new guidance is expected to impact the gain recognized when a real estate asset is sold to a non-customer and a noncontrolling interest is retained. Based on our historical transactions, this standard is not expected to have a significant impact to our consolidated financial statements.
ASU 2017-09, May 2017, Compensation-Stock Compensation (Topic 718): Scope of Modification Accoutning	The ASU clarifies when changes to the terms or conditions of a share-based payment award must be accounted for as modifications. Under the new guidance, an entity will not apply modification accounting if the awards' fair value, vesting conditions, and the classification of the award as equity or a liability are the same immediately before and after the change. The new guidance is applied prospectively to awards granted or modified after the adoption date.	January 2018	This standard is not expected to have a significant impact to our consolidated financial statements.
Not Yet Adopted:
ASU 2016-02, February 2016, Leases (Topic 842)	This ASU significantly changes the accounting for leases by requiring lessees to recognize assets and liabilities for leases greater than 12 months on their balance sheet. The lessor model stays substantially the same; however, there were modifications to conform lessor accounting with the lessee model, eliminate real estate specific guidance, further define certain lease and non-lease components, and change the definition of initial direct costs of leases requiring significantly more leasing related costs to be expensed upfront.	January 2019	We are currently assessing the impact of this standard to our consolidated financial statements.
ASU 2016-13, June 2016, Financial Instruments - Credit Losses (Topic 326)	This ASU changes the impairment model for most financial assets and certain other instruments, requiring the use of an "expected credit loss" model and adding more disclosure requirements.	January 2020	We are currently assessing the impact of this standard to our consolidated financial statements.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Recently adopted:
ASU 2016-09, March 2016, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting	This ASU simplifies the accounting for share-based payment transactions, including a policy election option with respect to accounting for forfeitures either as they occur or estimating forfeitures (as was previously required), as well as increasing the amount an employer can withhold to cover income taxes on equity awards. Additionally, it requires the cash paid to a taxing authority when shares are withheld to pay employee taxes to be classified as a "financing activity" rather than an "operating activity," as was done previously on the Statement of Cash Flows.	January 2017	The adoption of this standard resulted in accounting for forfeitures as they occur, and we have recorded the cumulative impact on the adoption date as a $0.1 million adjustment to additional paid-in capital and accumulated dividends in excess of net income. The amounts reclassified from "operating activities" to "financing activities" for shares withheld for employee taxes was $4.5 million and $9.2 million, respectively, for 2016 and 2015.
ASU 2017-01, January 2017, Business Combinations (Topic 805): Clarifying the Definition of a Business	This ASU changes the definition of a business to exclude acquisitions where substantially all of the fair value of the assets acquired are concentrated in a single identifiable asset or a group of similar identifiable assets. Given this change in definition, we believe most of our shopping center acquisitions will no longer be considered business combinations, but rather asset acquisitions.	January 2017	The largest impact of this standard is that transaction costs are capitalized for asset acquisitions rather than expensed when they are considered business combinations. Based on acquisitions in the last several years, transaction costs for a single shopping center acquisition have typically ranged from $0.2 million to $2.4 million with significantly higher transaction costs expected for an acquisition of a larger portfolio. We are applying the new guidance prospectively. Our acquisitions during the year ended December 31, 2017 (further discussed in Note 3) qualified as asset acquisitions and consequently, all transaction costs were capitalized after the adoption date.
Adopted Subsequent to December 31, 2017:
ASU 2016-15, August 2016, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments	This ASU provides classification guidance for eight specific topics including debt extinguishment costs, contingent consideration payments made after a business combination, and distributions received from equity method investees.	January 2018	This standard will require classification changes, however, it is not expected to have a significant impact to our consolidated financial statements.
ASU 2016-18, November 2016, Statement of Cash Flows (Topic 203) - Restricted Cash	This ASU requires that the statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or cash equivalents. Amounts generally described as restricted cash and equivalents should be included with cash and cash equivalents when reconciling the beginning and end of period total amounts on the statement of cash flows.	January 2018	This standard will require reclassification of certain restricted cash amounts on the consolidated statement of cash flows, but is not expected to have a significant impact to our consolidated financial statements.

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
Revenue from Contracts with Customers (Topic 606) and related updates: ASU 2014-09, May    2014, Revenue from    Contracts with    Customers ASU 2015-14,    August 2015,    Revenue from    Contracts with    Customers: Deferral    of the Effective Date ASU 2016-08,    March 2016,    Revenue from    Contracts with    Customers:    Principal versus    Agent   Considerations ASU 2016-10, April    2016, Revenue from    Contracts with    Customers:    Identifying    Performance    Obligations and    Licensing ASU 2016-12, May    2016, Revenue from    Contracts with    Customers:    Narrow-Scope    Improvements and    Practical Expedients ASU 2016-20,    December 2016,    Revenue from    Contracts with    Customers:    Technical    Corrections and    Improvements	In May 2014, the the FASB issued ASU 2014-09, "Revenue from Contracts with Customers." ASU 2014-09 as amended and interpreted by ASU 2015-14, ASU 2016-08, ASU 2016-10, ASU 2016-12, and ASU 2016-20, supersedes nearly all existing revenue recognition guidance under GAAP and replaces it with a core revenue recognition principle, that an entity will recognize revenue when it transfers control of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services, and creates a five-step model for revenue recognition in accordance with this principle. ASU 2014-09 also requires new disclosures in both interim and annual reporting periods. The guidance in ASU 2014-09 does not apply to contracts within the scope of ASC 840, Leases. ASU 2016-08 clarifies how to identify the unit of accounting for the principal versus agent evaluation, how to apply the control principle to certain types of arrangements, such as service transactions, and reframed the indicators in the guidance to focus on evidence that an entity is acting as a principal rather than as an agent. ASU 2016-10 clarifies the existing guidance on identifying performance obligations and licensing implementation. ASU 2016-12 adds practical expedients related to the transition for contract modifications and further defines a completed contract, clarifies the objective of the collectability assessment and how revenue is recognized if collectability is not probable, and when non-cash considerations should be measured. ASU 2016-20 corrects or improves guidance in thirteen narrowly focused aspects of the guidance. The standard allows for either "full retrospective" adoption, meaning the standard is applied to all of the periods presented, or "modified retrospective" adoption, meaning the cumulative impact of applying the standard is recognized in accumulated dividends in excess of net income on the date of application.	January 2018	Currently, gains on contracted condominium sales are recognized using the percentage-of-completion method, with the gain recognized once certain criteria have been met in advance of legal closing (see further discussion in the "Revenue Recognition" section of Note 2 to the consolidated financial statements). Under the new guidance, condominium sale gains will be recognized as the condominium units are legally sold, which will typically be upon closing. The reversal of the gain will be recognized through equity, and will be reflected in accumulated dividends in excess of net income. Most of our revenue is accounted for under the leasing standard, and therefore is not subject to this standard. With the exception of condominium sales, the adoption of the standard will not have a significant impact on our consolidated financial statements. We will implement the new revenue recognition guidance retrospectively with the cumulative effect recognized in accumulated dividends in excess of net income at the date of initial application.

Standard	Description	Date of Adoption	Effect on the financial statements or significant matters
ASU 2017-05, February 2017, Other Income - Gains and Losses from the Recognition of Nonfinancial Assets (Subtopic 610-20): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets	This ASU clarifies that ASC 610-20 applies to all nonfinancial assets (including real estate) for which the counterparty is not a customer and also clarifies that all businesses are derecognized using the deconsolidation guidance. Additionally, it defines an insubstance nonfinancial asset as a financial asset that is promised to a counterparty in a contract in which substantially all of the fair value of the assets promised in the contract is concentrated in nonfinancial assets, which excludes cash or cash equivalents and liabilities. Under the current guidance, a partial sale is recognized and carryover basis is used for the retained interest, however, the new guidance eliminates the use of carryover basis and generally requires a full gain to be recognized for prospective disposals of nonfinancial assets.	January 2018	The new guidance is expected to impact the gain recognized when a real estate asset is sold to a non-customer and a noncontrolling interest is retained. Based on our historical transactions, this standard is not expected to have a significant impact to our consolidated financial statements.
ASU 2017-09, May 2017, Compensation-Stock Compensation (Topic 718): Scope of Modification Accoutning	The ASU clarifies when changes to the terms or conditions of a share-based payment award must be accounted for as modifications. Under the new guidance, an entity will not apply modification accounting if the awards' fair value, vesting conditions, and the classification of the award as equity or a liability are the same immediately before and after the change. The new guidance is applied prospectively to awards granted or modified after the adoption date.	January 2018	This standard is not expected to have a significant impact to our consolidated financial statements.
Not Yet Adopted:
ASU 2016-02, February 2016, Leases (Topic 842)	This ASU significantly changes the accounting for leases by requiring lessees to recognize assets and liabilities for leases greater than 12 months on their balance sheet. The lessor model stays substantially the same; however, there were modifications to conform lessor accounting with the lessee model, eliminate real estate specific guidance, further define certain lease and non-lease components, and change the definition of initial direct costs of leases requiring significantly more leasing related costs to be expensed upfront.	January 2019	We are currently assessing the impact of this standard to our consolidated financial statements.
ASU 2016-13, June 2016, Financial Instruments - Credit Losses (Topic 326)	This ASU changes the impairment model for most financial assets and certain other instruments, requiring the use of an "expected credit loss" model and adding more disclosure requirements.	January 2020	We are currently assessing the impact of this standard to our consolidated financial statements.

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Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Rollforward table of the redeemable noncontrolling interest

The following table provides a rollforward of the redeemable noncontrolling interests:

	Year Ended
	December 31,
	2017			2016
	(In thousands)
Beginning balance	$	143,694		$	137,316
Contributions	11,109			—
Net income	3,874			2,713
Distributions & Redemptions	(6,914		)	(16,426		)
Change in redemption value	(10,606		)	20,091
Ending balance	$	141,157		$	143,694

Schedule of supplemental disclosures related to the Consolidated Statements Of Cash Flows

The following table provides supplemental disclosures related to the Consolidated Statements of Cash Flows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
SUPPLEMENTAL DISCLOSURES:
Total interest costs incurred	$	125,684		$	113,016		$	110,675
Interest capitalized	(25,559		)	(18,022		)	(18,122		)
Interest expense	$	100,125		$	94,994		$	92,553
Cash paid for interest, net of amounts capitalized	$	105,201		$	90,185		$	116,335
Cash paid for income taxes	$	352		$	296		$	274
NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Mortgage loans refinanced	$	166,823		$	—		$	—
Mortgage loans assumed with acquisition	$	79,401		$	34,385		$	89,516
DownREIT operating partnership units issued with acquisition	$	5,918		$	—		$	7,742
DownREIT operating partnership units redeemed for common shares	$	2,569		$	18,679		$	4,114
Shares issued under dividend reinvestment plan	$	2,017		$	2,017		$	1,977

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Real Estate (Tables)

12 Months Ended

Dec. 31, 2017

Real Estate [Abstract]

Summary of real estate investments and related encumbrances

A summary of our real estate investments and related encumbrances is as follows:

	Cost		Accumulated Depreciation and Amortization			Encumbrances
	(In thousands)
December 31, 2017
Retail and mixed-use properties	$	7,500,929	$	(1,821,046	)	$	470,720
Retail properties under capital leases	123,346		(46,140		)	71,556
Residential	10,786		(9,358		)	20,785
	$	7,635,061	$	(1,876,544	)	$	563,061
December 31, 2016
Retail and mixed-use properties	$	6,621,170	$	(1,677,938	)	$	449,896
Retail properties under capital leases	127,359		(42,308		)	71,590
Residential	10,544		(8,988		)	21,221
	$	6,759,073	$	(1,729,234	)	$	542,707

Retail and mixed-use properties includes the residential portion of Assembly Row, Bethesda Row, Chelsea Commons, Congressional Plaza, Pike & Rose, Santana Row, and Towson Residential (Flats @ 703). The residential property investment is our investment in Rollingwood Apartments.

Signficant property acquisition - Primestor

Additional information on the properties is listed below:

Property	City/State	GLA
		(in square feet)
Azalea	South Gate, CA	222,000
Bell Gardens	Bell Gardens, CA	330,000
La Alameda	Walnut Park, CA	245,000
Olivo at Mission Hills (1)	Mission Hills, CA	155,000
Plaza Del Sol	South El Monte, CA	48,000
Plaza Pacoima	Pacoima, CA	204,000
Sylmar Towne Center	Sylmar, CA	148,000
		1,352,000
(1) Property is currently being redeveloped. GLA reflects approximate square footage once the property is open and operating.

Pro Forma Information, Primestor acquisition

The pro forma financial information is presented for informational purposes only and may not be indicative of what actual results of income would have been, nor does it represent the results of income for future periods.

	Year Ended December 31,
	2017		2016
	(in millions) (unaudited)
Total revenue	$	872.9	$	826.6
Net income available for common shareholders	284.6		244.3

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Acquired In-Place Leases (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following is a summary of our acquired lease assets and liabilities:

	December 31, 2017						December 31, 2016
	Cost			Accumulated Amortization			Cost			Accumulated Amortization
	(in thousands)
Above market leases, lessor	$	52,393		$	(31,406	)	$	45,327		$	(28,085	)
Below market leases, lessee	34,604			(1,705		)	13,237			(924		)
Total	$	86,997		$	(33,111	)	$	58,564		$	(29,009	)
Below market leases, lessor	$	(193,085	)	$	56,716		$	(138,253	)	$	48,928
Above market leases, lessee	(9,084		)	560			(2,796		)	271
Total	$	(202,169	)	$	57,276		$	(141,049	)	$	49,199

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

The following is a summary of acquired lease amortization:

	Year Ended December 31,
	2017			2016			2015
	(in thousands)
Amortization of above market leases, lessor	$	(6,005	)	$	(6,726	)	$	(4,425	)
Amortization of below market leases, lessor	10,726			8,551			7,130
Net increase in rental income	$	4,721		$	1,825		$	2,705
Amortization of below market leases, lessee	$	781		$	255		$	255
Amortization of above market leases, lessee	(290		)	(135		)	(135		)
Net increase in rental expense	$	491		$	120		$	120

The following is a summary of the remaining weighted average amortization period for our acquired lease assets and acquired lease liabilities:

	December 31, 2017
Above market leases, lessor	4.7 years
Below market leases, lessee	41.6 years
Below market leases, lessor	19.8 years
Above market leases, lessee	16.9 years

Amortization for acquired in-place leases during the next five years and thereafter

The amortization for acquired in-place leases during the next five years and thereafter, assuming no early lease terminations, is as follows:

	Acquired Lease Assets		Acquired Lease Liabilities
	(In thousands)
Year ending December 31,
2018	$	5,810	$	9,990
2019	3,829		9,488
2020	3,182		8,494
2021	2,804		7,869
2022	2,381		7,484
Thereafter	35,880		101,568
	$	53,886	$	144,893

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Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Instruments [Abstract]

Summary of total debt outstanding

The following is a summary of our total debt outstanding as of December 31, 2017 and 2016:

	Principal Balance as of December 31,						Stated Interest Rate as of		Stated Maturity Date as of
Description of Debt	2017			2016			December 31, 2017		December 31, 2017
Mortgages payable	(Dollars in thousands)
The Grove at Shrewsbury (West)	$	10,545		$	10,792		6.38	%	March 1, 2018
Rollingwood Apartments	20,820			21,283			5.54	%	May 1, 2019
The Shops at Sunset Place	66,603			68,634			5.62	%	September 1, 2020
29th Place	4,341			4,553			5.91	%	January 31, 2021
Sylmar Towne Center	17,362			—			5.39	%	June 6, 2021
Plaza Del Sol	8,579			—			5.23	%	December 1, 2021
THE AVENUE at White Marsh	52,705			52,705			3.35	%	January 1, 2022
Montrose Crossing	71,054			72,726			4.20	%	January 10, 2022
Azalea	40,000			—			3.73	%	November 1, 2025
Bell Gardens	13,184			—			4.06	%	August 1, 2026
Plaza El Segundo	125,000			175,000			3.83	%	June 5, 2027
The Grove at Shrewsbury (East)	43,600			42,536			3.77	%	September 1, 2027
Brook 35	11,500			11,500			4.65	%	July 1, 2029
Chelsea	6,268			6,576			5.36	%	January 15, 2031
Subtotal	491,561			466,305
Net unamortized premium and debt issuance costs	(56		)	4,812
Total mortgages payable	491,505			471,117
Notes payable
Term loan	275,000			275,000			LIBOR + 0.90%		November 21, 2018
Revolving credit facility	41,000			—			LIBOR + 0.825%		April 20, 2020
Various	4,819			5,247			11.31	%	Various through 2028
Subtotal	320,819			280,247
Net unamortized debt issuance costs	(554		)	(1,096		)
Total notes payable	320,265			279,151
Senior notes and debentures
5.90% notes	—			150,000			5.90	%	April 1, 2020
2.55% notes	250,000			250,000			2.55	%	January 15, 2021
3.00% notes	250,000			250,000			3.00	%	August 1, 2022
2.75% notes	275,000			275,000			2.75	%	June 1, 2023
3.95% notes	300,000			300,000			3.95	%	January 15, 2024
7.48% debentures	29,200			29,200			7.48	%	August 15, 2026
3.25% notes	475,000			—			3.25	%	July 15, 2027
6.82% medium term notes	40,000			40,000			6.82	%	August 1, 2027
4.50% notes	550,000			450,000			4.50	%	December 1, 2044
3.625% notes	250,000			250,000			3.625	%	August 1, 2046
Subtotal	2,419,200			1,994,200
Net unamortized discount and debt issuance costs	(17,760		)	(17,606		)
Total senior notes and debentures	2,401,440			1,976,594
Capital lease obligations
Various	71,556			71,590			Various		Various through 2106
Total debt and capital lease obligations	$	3,284,766		$	2,798,452

Mortgage loans assumed in acquisition

The mortgage loans are secured by the individual properties with the following contractual terms:

	Principal		Stated Interest Rate		Maturity Date
	(in millions)
Sylmar Towne Center	$	17.5	5.39	%	June 6, 2021
Plaza Del Sol	8.6		5.23	%	December 1, 2021
Azalea	40.0		3.73	%	November 1, 2025
Bell Gardens	13.3		4.06	%	August 1, 2026

Schedule of principal payments on mortgages payable, notes payable, senior notes and debentures

Scheduled principal payments on mortgages payable, notes payable, senior notes and debentures as of December 31, 2017 are as follows:

	Mortgages Payable		Notes Payable			Senior Notes and Debentures		Total Principal
	(In thousands)
Year ending December 31,
2018	$	16,228	$	275,506	(1)	$	—	$	291,734
2019	25,820		563			—		26,383
2020	65,539		41,624		(2)	—		107,163
2021	30,541		694			250,000		281,235
2022	117,018		771			250,000		367,789
Thereafter	236,415		1,661			1,919,200		2,157,276
	$	491,561	$	320,819		$	2,419,200	$	3,231,580	(3)

 _____________________

(1) Our $275.0 million unsecured term loan matures on November 21, 2018, subject to a one-year extension at our option.

(2) Our $800.0 million revolving credit facility matures on April 20, 2020, subject to two six-month extensions at our option. As of December 31, 2017, there was $41.0 million outstanding under this credit facility.

(3) The total debt maturities differ from the total reported on the consolidated balance sheet as of December 31, 2017 due to the unamortized premium/(discount) and debt issuance costs on mortgage loans, notes payable, and senior notes.

Schedule of future minimum lease payments and their present value for property under capital leases

Future minimum lease payments and their present value for property under capital leases as of December 31, 2017, are as follows:

	(In thousands)
Year ending December 31,
2018	$	5,800
2019	5,800
2020	5,800
2021	5,800
2022	5,810
Thereafter	142,425
	171,435
Less amount representing interest	(99,879		)
Present value	$	71,556

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Fair Value Of Financial Instruments Fair Value Of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Summary of carrying amount and fair value of financial instruments

A summary of the carrying amount and fair value of our mortgages payable, notes payable and senior notes and debentures is as follows:

	December 31, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Mortgages and notes payable	$	811,770	$	824,419	$	750,268	$	760,260
Senior notes and debentures	$	2,401,440	$	2,498,445	$	1,976,594	$	2,015,973

Summary of financial assets/(liabilities) measured at fair value on a recurring basis

A summary of our financial assets/(liabilities) that are measured at fair value on a recurring basis, by level within the fair value hierarchy is as follows:

	December 31, 2017								December 31, 2016
	Level 1		Level 2		Level 3		Total		Level 1		Level 2			Level 3		Total
	(In thousands)
Interest rate swaps	$	—	$	22	$	—	$	22	$	—	$	(2,577	)	$	—	$	(2,577	)

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Minimum annual payments

We are obligated under ground lease agreements on several shopping centers requiring minimum annual payments as follows, as of December 31, 2017:

	(In thousands)
Year ending December 31,
2018	$	4,583
2019	4,737
2020	4,749
2021	4,757
2022	4,873
Thereafter	188,132
	$	211,831

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Dividends (Tables)

12 Months Ended

Dec. 31, 2017

Dividends [Abstract]

Summary of dividends declared and paid per share

The following table provides a summary of dividends declared and paid per share:

	Year Ended December 31,
	2017				2016				2015
	Declared		Paid		Declared		Paid		Declared		Paid
Common shares	$	3.960	$	3.940	$	3.840	$	3.800	$	3.620	$	3.550
5.417% Series 1 Cumulative Convertible Preferred shares	$	1.354	$	1.354	$	1.354	$	1.354	$	1.354	$	1.354
5.0% Series C Cumulative Redeemable Preferred shares (1)	$	0.368	$	—	$	—	$	—	$	—	$	—
(1) Amount represents dividends per depository share, each representing 1/1000th of a share.

Summary of income tax status of dividends per share paid

A summary of the income tax status of dividends per share paid is as follows:

	Year Ended December 31,
	2017		2016		2015
Common shares
Ordinary dividend	$	3.940	$	3.800	$	3.515
Capital gain	—		—		0.035
	$	3.940	$	3.800	$	3.550
5.417% Series 1 Cumulative Convertible Preferred shares
Ordinary dividend	$	1.354	$	1.354	$	1.340
Capital gain	—		—		0.014
	$	1.354	$	1.354	$	1.354

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Operating Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Schedule of minimum future commercial property rentals from noncancelable operating leases

As of December 31, 2017, minimum future commercial property rentals from noncancelable operating leases, before any reserve for uncollectible amounts and assuming no early lease terminations, at our operating properties are as follows:

	(In thousands)
Year ending December 31,
2018	$	593,461
2019	537,822
2020	474,369
2021	401,869
2022	328,302
Thereafter	1,402,509
	$	3,738,332

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Components of Rental Income and Expense (Tables)

12 Months Ended

Dec. 31, 2017

Components Of Rental Income and Expense [Abstract]

Schedule of principal components of rental income

The principal components of rental income are as follows:

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Minimum rents
Retail and commercial	$	585,178	$	549,552	$	509,825
Residential	55,416		49,465		42,797
Cost reimbursement	171,528		158,042		148,110
Percentage rent	11,148		10,977		11,911
Other	18,191		18,547		15,169
Total rental income	$	841,461	$	786,583	$	727,812

Schedule of minimum rents

Minimum rents include the following:

	Year Ended December 31,
	2017		2016		2015
	(In millions)
Straight-line rents	$	12.9	$	8.1	$	7.6
Net amortization of above and below market leases	$	4.7	$	1.8	$	2.7

Schedule of principal components of rental expenses

The principal components of rental expenses are as follows:

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Repairs and maintenance	$	67,996	$	64,942	$	62,420
Utilities	25,763		24,968		23,003
Management fees and costs	22,297		20,823		18,639
Payroll	14,922		13,832		12,673
Marketing	9,007		8,520		9,046
Insurance	7,762		7,758		7,875
Ground rent	3,826		2,561		2,540
Bad debt expense	2,591		2,375		1,168
Other operating	10,726		12,547		10,229
Total rental expenses	$	164,890	$	158,326	$	147,593

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Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of share-based compensation expense

A summary of share-based compensation expense included in net income is as follows:

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
Grants of common shares and options	$	12,371		$	11,227		$	12,074
Capitalized share-based compensation	(1,385		)	(1,310		)	(868		)
Share-based compensation expense	$	10,986		$	9,917		$	11,206

Summary of weighted average assumptions used to value options granted

The following table provides a summary of the weighted-average assumption used to value options granted in 2016:

Volatility	18.8	%
Expected dividend yield	2.8	%
Expected term (in years)	6.0
Risk free interest rate	1.5	%

Summary of option activity

The following table provides a summary of option activity for 2017:

	Shares Under Option		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
					(In years)	(In thousands)
Outstanding at December 31, 2016	259,119		$	56.66
Granted	—		—
Exercised	(152,634	)	65.37
Forfeited or expired	—		—
Outstanding at December 31, 2017	106,485		$	44.18	1.2	$	9,451
Exercisable at December 31, 2017	105,939		$	43.62	1.1	$	9,451

Summary of restricted share activity

The following table provides a summary of restricted share activity for 2017:

	Shares		Weighted-Average Grant-Date Fair Value
Unvested at December 31, 2016	217,353		$	142.70
Granted	109,815		139.31
Vested	(87,704	)	131.55
Forfeited	(2,293	)	142.09
Unvested at December 31, 2017	237,171

Schedule of common shares awarded under various compensation plans

Subsequent to December 31, 2017, common shares were awarded under various compensation plans as follows:

Date	Award		Vesting Term	Beneficiary
January 2, 2018	5,416	Shares	Immediate	Trustees
February 7, 2018	92,552	Restricted shares	3-4 years	Officers and key employees
February 7, 2018	488	Options	5 years	Officers and key employees

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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of earnings per share

In the dilutive EPS calculation, dilutive stock options were calculated using the treasury stock method consistent with prior periods. There were 682 anti-dilutive stock options in 2017, and no anti-dilutive stock options in 2016 or 2015. The conversions of downREIT operating partnership units and 5.417% Series 1 Cumulative Convertible Preferred Shares are anti-dilutive for all periods presented and accordingly, have been excluded from the weighted average common shares used to compute diluted EPS.

	Year Ended December 31,
	2017			2016			2015
	(In thousands, except per share data)
NUMERATOR
Income from continuing operations	$	219,948		$	226,425		$	190,094
Less: Preferred share dividends	(2,458		)	(541		)	(541		)
Less: Income from continuing operations attributable to noncontrolling interests	(7,666		)	(7,648		)	(8,205		)
Less: Earnings allocated to unvested shares	(942		)	(702		)	(797		)
Income from continuing operations available for common shareholders	208,882			217,534			180,551
Gain on sale of real estate and change in control of interests, net	77,632			31,133			28,330
Net income available for common shareholders, basic and diluted	$	286,514		$	248,667		$	208,881
DENOMINATOR
Weighted average common shares outstanding—basic	72,117			70,877			68,797
Effect of dilutive securities:
Stock options	116			172			184
Weighted average common shares outstanding—diluted	72,233			71,049			68,981
EARNINGS PER COMMON SHARE, BASIC
Net income available for common shareholders	$	3.97		$	3.51		$	3.04
EARNINGS PER COMMON SHARE, DILUTED
Net income available for common shareholders	$	3.97		$	3.50		$	3.03
Income from continuing operations attributable to the Trust	$	212,282		$	218,777		$	181,889

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Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Summary of quarterly financial data

Summarized quarterly financial data is as follows:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands, except per share data)
2017
Revenue	$	207,389	$	208,049	$	217,953	$	223,957
Operating income	$	81,544	$	83,090	$	84,497	$	83,157
Net income(1)	$	58,070	$	78,133	$	108,882	$	52,785
Net income attributable to the Trust(1)	$	56,190	$	76,291	$	106,777	$	50,656
Net income available for common shareholders(1)	$	56,055	$	76,156	$	106,600	$	48,645
Earnings per common share—basic(1)	$	0.78	$	1.05	$	1.47	$	0.67
Earnings per common share—diluted(1)	$	0.78	$	1.05	$	1.47	$	0.67
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands, except per share data)
2016
Revenue	$	198,344	$	197,981	$	201,157	$	204,109
Operating income	$	76,922	$	80,135	$	80,461	$	83,477
Net income(2)	$	79,063	$	58,898	$	61,198	$	59,724
Net income attributable to the Trust(2)	$	76,955	$	55,941	$	58,977	$	58,037
Net income available for common shareholders(2)	$	76,820	$	55,806	$	58,841	$	57,902
Earnings per common share—basic(2)	$	1.10	$	0.79	$	0.82	$	0.81
Earnings per common share—diluted(2)	$	1.10	$	0.78	$	0.82	$	0.80

(1) Second quarter 2017 includes a $15.4 million gain related to the sale of three ground lease parcels at our Assembly Row property in Somerville, Massachusetts. Third quarter 2017 includes a $50.8 million gain on sale of real estate from our 150 Post Street and North Lake Commons properties. Fourth quarter 2017 includes a $6.5 million gain related to the sale of a parcel of land at our Bethesda Row property. Additionally, second, third, and fourth quarter 2017 include net percentage-of-completion gains of $3.3 million, $0.6 million, and $1.5 million, respectively, related to condominiums under binding contract at our Assembly Row property. All of these transactions are further discussed in Note 3. Fourth quarter 2017 includes a $12.3 million early extinguishment of debt charge as further discussed in Note 5.

(2) First quarter 2016 includes a $25.7 million gain on change in control of interests from our Clarion Partners acquisition as further discussed in Note 3. Third quarter 2016 includes a $4.9 million gain on sale from the reversal of our warranty reserve on condominiums sold at Santana Row as further discussed in Note 7.

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Business And Organization (Details)	12 Months Ended
	Dec. 31, 2017 project
Nature Of Operations [Abstract]
Number of real estate properties	104
Minimum percentage of taxable income distributed to shareholders	90.00%

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Summary Of Significant Accounting Policies (Revenue Recognition and Accounts Receivable) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) condominiums	Dec. 31, 2016 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Allowance for doubtful accounts	$ 11.8	$ 11.9
Collection of accounts receivable, period	1 year
Accounts receivable related to straight-line rents	$ 93.1	$ 80.6
Condominiums | Assembly Row and Pike & Rose
Property Subject to or Available for Operating Lease [Line Items]
Number of Units in Real Estate Property | condominiums	221

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Summary Of Significant Accounting Policies (Real Estate) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Real estate depreciation expense	$ 193.3	$ 173.2	$ 156.5
Building and Building Improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	35 years
Building and Building Improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	50 years
Minor Improvements, Furniture and Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	2 years
Minor Improvements, Furniture and Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	20 years

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Summary Of Significant Accounting Policies (Cash and Cash Equivalents) (Details) $ in Millions	Dec. 31, 2017 USD ($)
Accounting Policies [Abstract]
Cash in excess of the FDIC insured limit	$ 19.6

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Summary Of Significant Accounting Policies (Derivative Instruments and Mortgage Notes Receivable) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) agreement	Dec. 31, 2016 USD ($)
Derivatives, Fair Value [Line Items]
Interest rate swaps associated with cash flow hedges to be reclassified within the next twelve months	$ 0.1
Residual profit maximum	50.00%
Aggregate tax basis for Federal tax purposes	$ 30.4	$ 29.9
Interest Rate	10.00%	9.90%
Interest Rate Swap | Fair Value, Measurements, Recurring
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements | agreement	2

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Summary Of Significant Accounting Policies (Variable Interest Entities) (Details) $ in Thousands	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Variable Interest Entity [Line Items]
Number of consolidated variable interest entities	17
Net real estate assets of consolidated VIEs	$ 1,400,000	$ 1,000,000
Mortgage Payable From Consolidated Variable Interest Entities	460,372	439,120
Unconsolidated variable interest entities
Variable Interest Entity [Line Items]
Maximum exposure to loss in variable interest entity	$ 23,900	$ 13,500

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Summary Of Significant Accounting Policies (Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands			12 Months Ended
	Jan. 12, 2017	Feb. 12, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Rollforward of Redeemable Noncontrolling Interests
Beginning balance			$ 143,694	$ 137,316
Contributions			11,109	0
Net income			3,874	2,713	$ 3,423
Distributions & Redemptions			(6,914)	(16,426)
Change in redemption value			(10,606)	20,091
Ending balance			141,157	143,694	137,316
Redeemable Noncontrolling Interest [Line Items]
Redemption of redeemable noncontrolling interests			$ 15,230	$ 24,102	$ 9,626
San Antonio Center
Redeemable Noncontrolling Interest [Line Items]
Payments to Acquire Outstanding Interest	$ 2,600
Number of downREIT units issued in connection with purchase option	44,195
Galaxy/Hollywood
Redeemable Noncontrolling Interest [Line Items]
Noncontrolling interest percent acquired		10.00%
Redemption of redeemable noncontrolling interests		$ 13,000
Ownership interest		100.00%

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Summary Of Significant Accounting Policies (Income Taxes and Segments) (Details)	12 Months Ended
	Dec. 31, 2017 USD ($) property segment	Dec. 31, 2016 USD ($)
Accounting Policies [Abstract]
Minimum percentage of taxable income distributed to shareholders	90.00%
Material unrecognized tax benefits | $	$ 0	$ 0
Number of properties exceeding segment reporting threshold | property	0
Segment reporting threshold	10% of our revenues or property operating income
Number of segments | segment	1

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Summary Of Significant Accounting Policies (Recent Accounting Pronouncements) (Details) - USD ($) $ in Thousands		12 Months Ended			48 Months Ended
	Jan. 01, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax	$ 100
Payments Related to Tax Withholding for Share-based Compensation		$ 4,229	$ 4,451	$ 9,211
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Acquisition costs					$ 200
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Acquisition costs					$ 2,400

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Summary Of Significant Accounting Policies (Supplemental Cash Flow Disclosures) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Supplemental Cash Flow Information [Abstract]
Total interest costs incurred	$ 125,684	$ 113,016	$ 110,675
Interest capitalized	25,559	18,022	18,122
Interest expense	100,125	94,994	92,553
Cash paid for interest, net of amounts capitalized	105,201	90,185	116,335
Cash paid for income taxes	352	296	274
NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Mortgage loans refinanced	166,823	0	0
Mortgage loans assumed with acquisition	79,401	34,385	89,516
DownREIT operating partnership units issued with acquisition	5,918	0	7,742
DownREIT operating partnership units redeemed for common shares	2,569	18,679	4,114
Shares issued under dividend reinvestment plan	$ 2,017	$ 2,017	$ 1,977
Minimum | Retail and commercial
Operating Leased Assets [Line Items]
Operating lease, term	3 years
Maximum | Retail and commercial
Operating Leased Assets [Line Items]
Operating lease, term	10 years

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Real Estate (Summary Of Real Estate Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Real Estate Properties [Line Items]
Cost	$ 7,635,061	$ 6,759,073
Accumulated Depreciation and Amortization	(1,876,544)	(1,729,234)
Encumbrances	563,061	542,707
Retail and mixed-use properties
Real Estate Properties [Line Items]
Cost	7,500,929	6,621,170
Accumulated Depreciation and Amortization	(1,821,046)	(1,677,938)
Encumbrances	470,720	449,896
Retail properties under capital leases
Real Estate Properties [Line Items]
Cost	123,346	127,359
Accumulated Depreciation and Amortization	(46,140)	(42,308)
Encumbrances	71,556	71,590
Residential
Real Estate Properties [Line Items]
Cost	10,786	10,544
Accumulated Depreciation and Amortization	(9,358)	(8,988)
Encumbrances	$ 20,785	$ 21,221

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Real Estate (Significant Acquisitions and Dispositions) (Details) $ in Thousands														3 Months Ended					12 Months Ended			24 Months Ended
	Dec. 28, 2017 USD ($)	Sep. 25, 2017 USD ($)	Aug. 25, 2017 USD ($)	Aug. 02, 2017 USD ($) ft² property	Jun. 28, 2017 USD ($)	May 19, 2017 USD ($) ft²	Apr. 04, 2017 USD ($)	Mar. 31, 2017 USD ($) ft²	Feb. 01, 2017 USD ($) ft²	Nov. 07, 2016 USD ($)	Jul. 26, 2016 USD ($)	May 12, 2016 USD ($)	Jan. 13, 2016 USD ($) property	Dec. 31, 2017 USD ($) project	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Jun. 28, 2017 USD ($)	Mar. 31, 2017 USD ($) ft²	Dec. 31, 2017 USD ($) project	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition and Disposition
Number of real estate properties | project														104					104
Mortgage loans assumed with acquisition																			$ 79,401	$ 34,385	$ 89,516
Contributions from noncontrolling interests																			35,331	885	$ 34,737
Assets held for sale														$ 0					0	33,856		$ 33,856
Hastings Ranch Plaza
Business Acquisition and Disposition
Square footage of real estate property | ft²									274,000
Purchase price of real estate acquisition									$ 29,500
Riverpoint Center
Business Acquisition and Disposition
Square footage of real estate property | ft²								211,000										211,000
Purchase price of real estate acquisition								$ 107,000
Fourth Street
Business Acquisition and Disposition
Square footage of real estate property | ft²						71,000
Gross value of acquisition						$ 23,900
Controlling interest percentage						90.00%
Noncontrolling interest allocated in acquisition						$ 2,400
Primestor
Business Acquisition and Disposition
Square footage of real estate property | ft²				1,352,000
Gross value of acquisition				$ 357,000
Noncontrolling interest allocated in acquisition				$ 30,600
Azalea
Business Acquisition and Disposition
Square footage of real estate property | ft²				222,000
Bell Gardens
Business Acquisition and Disposition
Square footage of real estate property | ft²				330,000
La Alameda
Business Acquisition and Disposition
Square footage of real estate property | ft²				245,000
Ownership percentage in partnership				24.50%
Olivo at Mission Hills
Business Acquisition and Disposition
Square footage of real estate property | ft²				155,000
Plaza Del Sol
Business Acquisition and Disposition
Square footage of real estate property | ft²				48,000
Plaza Pacoima
Business Acquisition and Disposition
Square footage of real estate property | ft²				204,000
Sylmar Towne Center
Business Acquisition and Disposition
Square footage of real estate property | ft²				148,000
150 Post Street
Business Acquisition and Disposition
Proceeds from sale			$ 69,300
Gain (Loss) on Sale of Properties			$ 45,200
North Lake Commons
Business Acquisition and Disposition
Proceeds from sale		$ 15,600
Gain (Loss) on Sale of Properties		$ 4,900
Primestor
Business Acquisition and Disposition
Number of real estate properties | property				6
Asset Acquisitions, Pro Forma depreciation and amortization																			11,500	11,400
Asset Acquisitions Pro Forma Revenue																			872,900	826,600
Asset Acquisitions, Pro Forma Net Inome (Loss)																			284,600	244,300
Clarion
Business Acquisition and Disposition
Purchase Price													$ 153,700
Ownership percentage in partnership													70.00%
Number of real estate properties | property													6
Cash paid in acquisition													$ 130,000
Mortgage loans assumed with acquisition													34,400
Gain on acquisition of controlling interest													25,700					$ 25,700
A building adjacent to our Barcroft Plaza property
Business Acquisition and Disposition
Purchase Price										$ 5,300
Other Assets | Intangible lease assets acquired | Hastings Ranch Plaza
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities									21,500
Other Assets | Intangible lease assets acquired | Primestor
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities				$ 7,800
Other Assets | Above Market Leases | Riverpoint Center
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities								1,000
Other Assets | Above Market Leases | Fourth Street
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities						800
Other Assets | Above Market Leases | Clarion
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities													7,300
Other Liabilities | Riverpoint Center
Business Acquisition and Disposition
Net assets acquired allocated to below market leases								$ 12,300
Other Liabilities | Fourth Street
Business Acquisition and Disposition
Net assets acquired allocated to below market leases						$ 300
Other Liabilities | Clarion
Business Acquisition and Disposition
Net assets acquired allocated to below market leases													$ 4,900
Other Liabilities | Intangible lease liabilities acquired | Hastings Ranch Plaza
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities									$ 15,200
Other Liabilities | Intangible lease liabilities acquired | Primestor
Business Acquisition and Disposition
Net assets acquired allocated to intangible lease assets or liabilities				$ 36,200
General and Administrative Expense | Clarion
Business Acquisition and Disposition
Acquisition costs																				100		200
General and Administrative Expense | A building adjacent to our Barcroft Plaza property
Business Acquisition and Disposition
Acquisition costs																				100
FRIT/Primestor JV
Business Acquisition and Disposition
Controlling interest percentage				90.00%
FRIT/Primestor JV | La Alameda
Business Acquisition and Disposition
Purchase price of equity method investment				$ 19,800
Mortgage Loan on Unconsolidated Real Estate Property				41,000
Our share of unconsolidated mortgage debt				10,000
CocoWalk | Coconut Grove
Business Acquisition and Disposition
Gain on sale of real estate, net of noncontrolling interests												$ 500
CocoWalk | Coconut Grove
Business Acquisition and Disposition
Purchase Price											$ 5,900
CocoWalk | General and Administrative Expense | Coconut Grove
Business Acquisition and Disposition
Acquisition costs																				200
Land | Assembly Row
Business Acquisition and Disposition
Number of members with purchase options							2
Proceeds from sale					$ 17,300		$ 36,000
Gain (Loss) on Sale of Properties																	$ 15,400
Gain on sale of real estate, net of income taxes																$ 15,400
Assets held for sale																				$ 33,900		$ 33,900
Land | Bethesda Row
Business Acquisition and Disposition
Proceeds from sale	$ 8,500
Gain (Loss) on Sale of Properties	$ 6,500
Condominiums | Assembly Row
Business Acquisition and Disposition
Gain on sale of real estate, net of income taxes														1,500	$ 600	$ 3,300			5,400
Income taxes related to gain on sale																			1,400
Accounts Receivable, Gross														$ 67,100					$ 67,100
Primestor | Mortgages
Business Acquisition and Disposition
Mortgage loans assumed with acquisition				$ 79,400

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Acquired In-Place Leases Acqured Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	$ (33,111)	$ (29,009)
Finite-Lived Intangible Liabilities, Accumulated Amortization	57,276	49,199
Finite-Lived Intangible LIabilities, Net	(202,169)	(141,049)
Amortization of below market leases, lessor	10,726	8,551	$ 7,130
Net increase in rental income	4,721	1,825	2,705
Amortization of Below Market Lease, Lessee	781	255	255
Net increase in rental expense	491	120	120
Acquired Lease Assets
Total future amortization expense from acquired above market leases	86,997	58,564
Acquired Lease Liabilities
2018	9,990
2019	9,488
2020	8,494
2021	7,869
2022	7,484
Thereafter	101,568
Total future amortization expense from acquired below market leases	144,893
Above Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of above market leases, lessor	(6,005)	(6,726)	(4,425)
Amortization of above market leases, lessee	$ (290)	(135)	$ (135)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years 8 months
Acquired Finite-Lived Intangible Liabilities, Weighted Average Useful Life	19 years 10 months
Acquired Lease Assets
2018	$ 5,810
2019	3,829
2020	3,182
2021	2,804
2022	2,381
Thereafter	35,880
Total future amortization expense from acquired above market leases	53,886
Above Market Leases, Lessor
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	52,393	45,327
Finite-Lived Intangible Assets, Accumulated Amortization	(31,406)	(28,085)
Below Market Leases, Lessee
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	34,604	13,237
Finite-Lived Intangible Assets, Accumulated Amortization	$ (1,705)	(924)
Below Market Lease
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	41 years 7 months
Acquired Finite-Lived Intangible Liabilities, Weighted Average Useful Life	16 years 11 months
Below Market Leases, Lessor
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Liabilities, Gross	$ (193,085)	(138,253)
Finite-Lived Intangible Liabilities, Accumulated Amortization	56,716	48,928
Above Market Leases, Lessee
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Liabilities, Gross	(9,084)	(2,796)
Finite-Lived Intangible Liabilities, Accumulated Amortization	$ 560	$ 271

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Debt (Summary Of Debt Outstanding) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 30, 2017	Dec. 21, 2017	Jun. 23, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Mortgages payable	$ 491,505				$ 471,117
Notes payable	320,265				279,151
Net unamortized debt issuance costs	(554)				(1,096)
Senior notes and debentures	2,401,440				1,976,594
Capital lease obligations	71,556				71,590
Total debt and capital lease obligations	3,284,766				2,798,452
Mortgages Payable
Debt Instrument [Line Items]
Principal balance	491,561				466,305
Net unamortized (discount)/premium and debt issuance costs	(56)				4,812
Notes Payable
Debt Instrument [Line Items]
Notes payable	320,819				280,247
Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	2,419,200				1,994,200
Net unamortized (discount)/premium and debt issuance costs	(17,760)				(17,606)
The Grove at Shrewsbury (West) | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 10,545				10,792
Interest rate	6.38%
Rollingwood Apartments | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 20,820				21,283
Interest rate	5.54%
The Shops at Sunset Place | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 66,603				68,634
Interest rate	5.624%
29th Place | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 4,341				4,553
Interest rate	5.91%
Sylmar Towne Center | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 17,362				0
Interest rate	5.39%
Plaza Del Sol | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 8,579				0
Interest rate	5.23%
THE AVENUE at White Marsh | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 52,705				52,705
Interest rate	3.35%
Montrose Crossing | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 71,054				72,726
Interest rate	4.20%
Azalea | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 40,000				0
Interest rate	3.73%
Bell Gardens | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 13,184				0
Interest rate	4.06%
Plaza El Segundo | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 125,000				175,000
Interest rate	3.83%
The Grove at Shrewsbury (East) | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 43,600				42,536
Interest rate	3.77%
Brook 35 | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 11,500				11,500
Interest rate	4.65%
Chelsea | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 6,268				6,576
Interest rate	5.36%
Term Loan | Notes Payable
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.90%
Other Notes Payable	$ 275,000				275,000
Revolving credit facility | Notes Payable
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.825%
Revolving credit facility	$ 41,000				0
Various | Notes Payable
Debt Instrument [Line Items]
Interest rate	11.31%
Other Notes Payable	$ 4,819				5,247
5.90% notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 0	$ 150,000			150,000
Interest rate	5.90%
2.55% notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 250,000				250,000
Interest rate	2.55%
3.00% notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 250,000				250,000
Interest rate	3.00%
2.75% notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 275,000				275,000
Interest rate	2.75%
3.95% notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 300,000				300,000
Interest rate	3.95%
7.48% debentures | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 29,200				29,200
Interest rate	7.48%
3.25% Senior notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 475,000		$ 175,000	$ 300,000	0
Interest rate	3.25%		3.25%
6.82% medium term notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 40,000				40,000
Interest rate	6.82%
4.50% notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 550,000			$ 100,000	450,000
Interest rate	4.50%			4.50%
3.625% Senior notes | Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance	$ 250,000				$ 250,000
Interest rate	3.625%

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Debt (Narrative) (Details) $ in Thousands							12 Months Ended
	Dec. 31, 2017 USD ($) project	Dec. 21, 2017 USD ($)	Aug. 31, 2017 USD ($)	Aug. 02, 2017 USD ($) property	Jun. 23, 2017 USD ($)	Jun. 05, 2017 USD ($)	Dec. 31, 2017 USD ($) project	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)
Debt Instrument [Line Items]
Issuance of senior notes, net of costs		$ 172,500			$ 399,500		$ 572,134	$ 241,795	$ 456,151
Number of real estate properties | project	104						104
Mortgage loans assumed with acquisition							$ 79,401	34,385	89,516
Mortgage loans refinanced							166,823	0	0
Repayments of Senior Debt							161,930	0	219,228
Maximum outstanding under revolving credit facility	$ 800,000						800,000
Mortgages Payable
Debt Instrument [Line Items]
Principal balance	491,561						491,561	466,305
Senior Notes
Debt Instrument [Line Items]
Principal balance	2,419,200						2,419,200	1,994,200
Plaza El Segundo | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 125,000						$ 125,000	175,000
Interest rate	3.83%						3.83%
Plaza El Segundo | Mortgages
Debt Instrument [Line Items]
Principal balance						$ 125,000					$ 175,000
Repayment of mortgage loan						$ 50,000
Interest rate						3.83%
3.25% and 4.50% Senior notes offering | Senior Notes
Debt Instrument [Line Items]
Principal balance					400,000
3.25% Senior notes | Senior Notes
Debt Instrument [Line Items]
Principal balance	$ 475,000	$ 175,000			$ 300,000		$ 475,000	0
Interest rate	3.25%	3.25%					3.25%
Note Offering Percent		99.404%			99.083%
Debt yield to maturity percent		3.323%			3.358%
4.50% notes | Senior Notes
Debt Instrument [Line Items]
Principal balance	$ 550,000				$ 100,000		$ 550,000	450,000
Interest rate	4.50%				4.50%		4.50%
Note Offering Percent					105.76%
Debt yield to maturity percent					4.143%
Primestor | Mortgages
Debt Instrument [Line Items]
Mortgage loans assumed with acquisition				$ 79,400
Fair value of mortgage loan				80,100
Sylmar Towne Center | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 17,362						$ 17,362	0
Interest rate	5.39%						5.39%
Sylmar Towne Center | Mortgages
Debt Instrument [Line Items]
Mortgage loans assumed with acquisition				17,500
Plaza Del Sol | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 8,579						$ 8,579	0
Interest rate	5.23%						5.23%
Plaza Del Sol | Mortgages
Debt Instrument [Line Items]
Mortgage loans assumed with acquisition				8,600
Azalea | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 40,000						$ 40,000	0
Interest rate	3.73%						3.73%
Bell Gardens | Mortgages Payable
Debt Instrument [Line Items]
Principal balance	$ 13,184						$ 13,184	0
Interest rate	4.06%						4.06%
Bell Gardens | Mortgages
Debt Instrument [Line Items]
Mortgage loans assumed with acquisition				$ 13,300
The Grove at Shrewsbury | Mortgages
Debt Instrument [Line Items]
Principal balance			$ 43,600
Interest rate			3.77%
Mortgage loans refinanced			$ 41,800
5.90% notes
Debt Instrument [Line Items]
Repayments of Senior Debt	$ 164,100
5.90% notes | Senior Notes
Debt Instrument [Line Items]
Principal balance	$ 0						$ 0	150,000		$ 150,000
Interest rate	5.90%						5.90%
Make-whole premium	$ 11,900
Accrued but unpaid interest	2,200
Revolving credit facility
Debt Instrument [Line Items]
Maximum outstanding under revolving credit facility	800,000						$ 800,000
Maximum amount of borrowings outstanding							344,000	251,500	324,000
Weighted average amount of borrowings outstanding							$ 147,500	$ 77,300	$ 109,700
Weighted average interest rate before amortization of debt fees							1.90%	1.30%	1.10%
Line of credit facility, annual facility fee	$ 1,000						$ 1,000
Primestor
Debt Instrument [Line Items]
Number of real estate properties | property				6

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Debt (Principal Payments On Mortgage Payable, Notes Payable, Senior Notes and Debentures) (Details) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
2018		$ 291,734
2019		26,383
2020		107,163
2021		281,235
2022		367,789
Thereafter		2,157,276
Long-term debt	[1]	3,231,580
Mortgages Payable
Debt Instrument [Line Items]
Principal balance		491,561	$ 466,305
2018		16,228
2019		25,820
2020		65,539
2021		30,541
2022		117,018
Thereafter		236,415
Long-term debt		491,561
Notes Payable
Debt Instrument [Line Items]
2018		275,506
2019	[2]	563
2020		41,624
2021	[3]	694
2022		771
Thereafter		1,661
Long-term debt		320,819
Senior Notes and Debentures
Debt Instrument [Line Items]
Principal balance		2,419,200	1,994,200
2018		0
2019		0
2020		0
2021		250,000
2022		250,000
Thereafter		1,919,200
Long-term debt		2,419,200
Revolving credit facility
Debt Instrument [Line Items]
Line of credit facility, annual facility fee		1,000
Revolving credit facility | Notes Payable
Debt Instrument [Line Items]
Revolving credit facility		41,000	0
Term Loan | Notes Payable
Debt Instrument [Line Items]
Other Notes Payable		$ 275,000	$ 275,000

[1] The total debt maturities differ from the total reported on the consolidated balance sheet as of December 31, 2017 due to the unamortized premium/(discount) and debt issuance costs on mortgage loans, notes payable, and senior notes.

[2] Our $275.0 million unsecured term loan matures on November 21, 2018, subject to a one-year extension at our option.

[3] Our $800.0 million revolving credit facility matures on April 20, 2020, subject to two six-month extensions at our option. As of December 31, 2017, there was $41.0 million outstanding under this credit facility.

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Debt (Future Minimum Lease Payments) (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Debt Disclosure [Abstract]
2018	$ 5,800
2019	5,800
2020	5,800
2021	5,800
2022	5,810
Thereafter	142,425
Future minimum lease payments	171,435
Less amount representing interest	(99,879)
Present value	$ 71,556

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Fair Value Of Financial Instruments (Summary Of Carrying Amount And Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Mortgages payable and notes payable | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Fair value of long-term debt	$ 811,770	$ 750,268
Mortgages payable and notes payable | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Fair value of long-term debt	824,419	760,260
Senior notes and debentures | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Fair value of long-term debt	2,401,440	1,976,594
Senior notes and debentures | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Fair value of long-term debt	$ 2,498,445	$ 2,015,973

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Fair Value Of Financial Instruments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) agreement	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Other comprehensive income (loss) - change in value of interest rate swaps	$ 2,599	$ 1,533	$ (595)
Interest expense reclassified from other comprehensive loss	1,800	3,500
Interest Rate Swap | Term loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Term loan	$ 275,000
Interest rate of variable portion of term loan	1.72%
Fair Value, Measurements, Recurring | Prepaid expenses and other assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Fair value of interest rate swaps (less than for 2017)	$ 100
Fair Value, Measurements, Recurring | Accounts payable and accrued expenses
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Fair value of interest rate swaps (less than for 2017)		2,600
Fair Value, Measurements, Recurring | Interest Rate Swap
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Number of interest rate swap agreements | agreement	2
Notional amount of interest rate swap agreements	$ 275,000
Fair value of interest rate swaps (less than for 2017)	22	(2,577)
Accumulated other comprehensive income (loss)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Other comprehensive income (loss) - change in value of interest rate swaps	$ 2,599	$ 1,533	$ (595)

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Fair Value Of Financial Instruments (Summary of Financial Liabilities Measured At Fair Value On A Recurring Basis) (Details) - Interest Rate Swap - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of interest rate swaps	$ 22	$ (2,577)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of interest rate swaps	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of interest rate swaps	22	(2,577)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of interest rate swaps	$ 0	$ 0

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Commitments and Contingencies (Details) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($)	Sep. 30, 2025 USD ($)	Oct. 16, 2023 USD ($)	Sep. 30, 2023 USD ($)	Oct. 16, 2021 USD ($)	Jan. 01, 2017
Loss Contingencies [Line Items]
Settlement amount		$ 0.4
Number of defendants		500
Reserves for warranties and general liability		$ 3.3	$ 2.8
Payments from reserves		1.4	2.0
Letters of credit outstanding, amount		$ 1.3
DownREIT operating partnership units, outstanding | shares		787,962
Operating partnership units outstanding, fair value		$ 104.6
Congressional Plaza | Put Option
Loss Contingencies [Line Items]
Maximum partnership percentage required to purchase		100.00%
Indexed ownership interest percentage		26.63%
Congressional Plaza | Put Option | Minimum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		$ 81.0
Congressional Plaza | Put Option | Maximum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		85.0
Montrose Crossing | Minimum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		12.0
Montrose Crossing | Maximum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		$ 13.0
Montrose Crossing | Put Option
Loss Contingencies [Line Items]
Indexed ownership interest percentage		10.10%
Plaza El Segundo | Minimum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		$ 26.0
Plaza El Segundo | Maximum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		$ 29.0
Plaza El Segundo | Put Option
Loss Contingencies [Line Items]
Number of members with purchase options		2
The Grove at Shrewsbury | Put Option
Loss Contingencies [Line Items]
Indexed ownership interest percentage								4.80%
Brook 35 | Put Option
Loss Contingencies [Line Items]
Indexed ownership interest percentage								8.80%
Grove at Shrewsbury and Brook 35 | Minimum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		$ 9.0
Grove at Shrewsbury and Brook 35 | Maximum
Loss Contingencies [Line Items]
Estimated maximum liability upon exercise of the put option		10.0
Scenario, Forecast | Mercer Mall
Loss Contingencies [Line Items]
Purchase price under option						$ 55.0
Scenario, Forecast | Mercer Mall | Put Option
Loss Contingencies [Line Items]
Purchase price under option				$ 60.0
Scenario, Forecast | Melville Mall
Loss Contingencies [Line Items]
Purchase price under option					$ 5.0		$ 5.0
Capital improvement, development, and redevelopment projects
Loss Contingencies [Line Items]
Contractual obligations		$ 326.6
Member One In Plaza El Segundo | Plaza El Segundo | Put Option
Loss Contingencies [Line Items]
Indexed ownership interest percentage		10.00%
Member Two In Plaza El Segundo | Plaza El Segundo | Put Option
Loss Contingencies [Line Items]
Indexed ownership interest percentage		11.80%
Santana Row | gain on sale of real estate
Loss Contingencies [Line Items]
Reversal of warranty reserve	$ 4.9		$ 4.9
Pending Litigation
Loss Contingencies [Line Items]
Additional liability		$ 0.2

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Commitments and Contingencies (Schedule of Lease Payments) (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2018	$ 4,583
2019	4,737
2020	4,749
2021	4,757
2022	4,873
Thereafter	188,132
Total	$ 211,831

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Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Sep. 29, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Nov. 04, 2016
Class of Stock [Line Items]
Shares issued under dividend reinvestment plan (in shares)		17,911	15,619	16,524
Issuance of preferred shares, net of costs		$ 144,991	$ 0	$ 0
Preferred shares, par value		$ 0.01	$ 0.01
Conversion price per share		$ 104.69
Net cash proceeds of common stock		$ 118,583	$ 329,103	$ 110,855
At The Market Equity Program
Class of Stock [Line Items]
Shares issued		826,517	1,156,571
Net cash proceeds of common stock		$ 108,300	$ 174,800
Aggregate offering price of common shares					$ 400,000
Weighted average price per common share		$ 132.56	$ 152.92
Remaining capacity to issue		$ 261,300
At The Market Equity Program | Commissions
Class of Stock [Line Items]
Commissions related to sales of common shares		1,100	$ 1,800
At The Market Equity Program | Other Offering Costs
Class of Stock [Line Items]
Commissions related to sales of common shares		$ 200	$ 200
5.0% Series C Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred shares, shares outstanding		6,000	0
Preferred shares, percentage	5.00%	5.00%	5.00%	5.00%
Preferred shares, liquidation preference per share	$ 25,000	$ 25,000
Issuance of preferred shares, net of costs	$ 145,000
Preferred shares, par value	$ 0.01
5.417% Series 1 Cumulative Convertible Preferred Shares
Class of Stock [Line Items]
Preferred shares, shares outstanding		399,896	399,896	399,896
Preferred shares, percentage		5.417%	5.417%	5.417%
Preferred shares, liquidation preference per share		$ 25	$ 25	$ 25
Preferred shares, par value				$ 0.01
Depository Shares | 5.0% Series C Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred shares, liquidation preference per share	$ 25.00
Preferred Shares
Class of Stock [Line Items]
Shares issued		6,000
Preferred Shares | Depository Shares | 5.0% Series C Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Shares issued	6,000,000

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Dividends (Details) - $ / shares			12 Months Ended
	Sep. 29, 2017	Nov. 02, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Class of Stock [Line Items]
Common shares, declared		$ 1	$ 3.960	$ 3.840	$ 3.620
Common shares, paid			3.940	3.800	3.550
Preferred shares, paid			1.354	1.354	1.354
Common shares, ordinary dividend			3.940	3.800	3.515
Common shares, capital gain			0.000	0.000	0.035
5.417% Series 1 Cumulative Convertible Preferred shares, ordinary dividend			1.354	1.354	1.340
5.417% Series 1 Cumulative Convertible Preferred shares, capital gain			$ 0.000	$ 0.000	$ 0.014
Common Stock, Ordinary Dividends, Tax Rate			15.00%	15.00%	15.00%
Preferred Stock, Ordinary Dividends, Tax Rate			15.00%	15.00%	15.00%
5.417% Series 1 Cumulative Convertible Preferred Shares
Class of Stock [Line Items]
Preferred shares, percentage			5.417%	5.417%	5.417%
Preferred shares, declared			$ 1.354	$ 1.354	$ 1.354
Preferred shares, paid			$ 1.354	$ 1.354	$ 1.354
5.0% Series C Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred shares, percentage	5.00%		5.00%	5.00%	5.00%
Preferred shares, declared			$ 0.368	$ 0.000	$ 0.000
Preferred shares, paid			$ 0.000	$ 0.000	$ 0.000

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Operating Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) project lease state
Property Subject to or Available for Operating Lease [Line Items]
Number of real estate properties | project	104
Number of states in which entity has properties | state	12
Number of leases | lease	3,000
Percent of annualized base rent	2.90%
Operating Leases, Future Minimum Payments Receivable [Abstract]
2018	$ 593,461
2019	537,822
2020	474,369
2021	401,869
2022	328,302
Thereafter	1,402,509
Total	$ 3,738,332
Retail and commercial | Minimum
Property Subject to or Available for Operating Lease [Line Items]
Operating lease, term	3 years
Retail and commercial | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Operating lease, term	10 years
Residential | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Operating lease, term	1 year

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Components of Rental Income and Expense (Schedule Of Principal Components Of Rental Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Leases, Income Statement, Lease Revenue [Abstract]
Cost reimbursement	$ 171,528	$ 158,042	$ 148,110
Percentage rent	11,148	10,977	11,911
Other	18,191	18,547	15,169
Rental Income	841,461	786,583	727,812
Retail and commercial
Operating Leases, Income Statement, Lease Revenue [Abstract]
Minimum rents	585,178	549,552	509,825
Residential
Operating Leases, Income Statement, Lease Revenue [Abstract]
Minimum rents	$ 55,416	$ 49,465	$ 42,797

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Components of Rental Income and Expense (Schedule Of Minimum Rent) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Components Of Rental Income and Expense [Abstract]
Straight-line rents	$ 12,900	$ 8,100	$ 7,600
Net amortization of above and below market leases	$ 4,721	$ 1,825	$ 2,705

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Components of Rental Income and Expense (Components Of Rental Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Components Of Rental Income and Expense [Abstract]
Repairs and maintenance	$ 67,996	$ 64,942	$ 62,420
Utilities	25,763	24,968	23,003
Management fees and costs	22,297	20,823	18,639
Payroll	14,922	13,832	12,673
Marketing	9,007	8,520	9,046
Insurance	7,762	7,758	7,875
Ground rent	3,826	2,561	2,540
Bad debt expense	2,591	2,375	1,168
Other operating	10,726	12,547	10,229
Total rental expenses	$ 164,890	$ 158,326	$ 147,593

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Share-Based Compensation Plans (Allocated Share-Based Compensation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Share-based compensation incurred	$ 12,371	$ 11,227	$ 12,074
Capitalized share-based compensation	(1,385)	(1,310)	(868)
Share-based compensation expense	$ 10,986	$ 9,917	$ 11,206

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Share-Based Compensation Plans (Weighted Average Assumptions Used to Value Option Granted in 2016) (Details)	12 Months Ended
	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Volatility	18.80%
Expected dividend yield	2.80%
Expected term (in years)	6 years
Risk free interest rate	1.50%

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Share-Based Compensation Plans (Schedule of Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at the beginning of year (in shares)	259,119
Granted (in shares)	0	0
Exercised (in shares)	(152,634)
Forfeited or expired (in shares)	0
Outstanding at the end of year (in shares)	106,485
Exercisable at the end of year (in shares)	105,939
Outstanding at the beginning of year, Weighted-Average Exercise Price (in dollars per share)	$ 56.66
Granted, Weighted-Average Exercise Price (in dollars per share)	0.00
Exercised, Weighted-Average Exercise Price (in dollars per share)	65.37
Forfeited or Expired, Weighted-Average Exercise Price (in dollars per share)	0.00
Outstanding at the end of year, Weighted-Average Exercise Price (in dollars per share)	44.18
Exercisable at the end of the year, Weighted-Average Exercise Price (in dollars per share)	$ 43.62
Outstanding at the end of year, Weighted-Average Remaining Contractual Term (in years)	1 year 2 months
Exercisable at the end of year, Weighted-Average Remaining Contractual Term (in years)	1 year 1 month
Outstanding at the end of year, Aggregate Intrinsic Value	$ 9,451
Exercisable at the end of year, Aggregate Intrinsic Value	$ 9,451

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Share-Based Compensation Plans (Restricted Share Activity) (Details) - Restricted Stock - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested at the beginning of year (in shares)	217,353
Granted (in shares)	109,815
Vested (in shares)	(87,704)
Forfeited (in shares)	(2,293)
Unvested at the end of year (in shares)	237,171	217,353
Unvested at the beginning of year, Weighted-Average Grant-Date Fair Value (in dollars per share)	$ 142.70
Granted, Weighted-Average Grant-Date Fair Value (in dollars per share)	139.31	$ 152.70	$ 141.08
Vested, Weighted-Average Grant-Date Fair Value (in dollars per share)	131.55
Forfeited, Weighted-Average Grant-Date Fair Value (in dollars per share)	142.09
Unvested at the end of year, Weighted-Average Grant-Date Fair Value (in dollars per share)		$ 142.70

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Share-Based Compensation Plans (Common Shares Awarded Under Various Compensation Plans) (Details) - shares			12 Months Ended
	Feb. 07, 2018	Jan. 02, 2018	Dec. 31, 2017
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			109,815
Subsequent Event | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	92,552	5,416
Subsequent Event | Restricted Stock | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term	3 years
Subsequent Event | Restricted Stock | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term	4 years
Subsequent Event | Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	488
Vesting Term	5 years

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Share-Based Compensation Plans (Narrative) (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) plans $ / shares shares	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based compensation plans | plans	2
Number of options granted in period | shares	0		0
Weighted average grant date fair value of options granted | $ / shares	$ 19.52
Total cash received from options exercised	$ 10.0	$ 4.5	$ 2.0
Total intrinsic value of options exercised	10.7	$ 4.2	$ 2.1
Total unrecognized compensation cost related to unvested share-based compensation arrangements	$ 17.6
Period for recognition (in years)	6 years 5 months
Weighted-average period for recognition	2 years 2 months
Performance Incentive Plan 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized | shares	2,450,000
Long Term Incentive Plan 2001
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized | shares	3,250,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of stock awarded | $ / shares	$ 139.31	$ 152.70	$ 141.08
Total vesting-date fair value of shares vested during the year	$ 12.5	$ 13.8	$ 26.1
Grants of common shares and options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term	3 years
Grants of common shares and options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term	7 years
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term (in years)	10 years

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Savings and Retirement Plans (Details) - 401(K) and Deferred Compensation Plan - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
401(k) Maximum annual contribution per employee	$ 18,000	$ 18,000	$ 18,000
401(k) Employer match	50.00%	50.00%	50.00%
401(k) Employer contribution expense	$ 632,000	$ 602,000	$ 504,000
Deferred compensation liability to participants	$ 12,800,000	$ 10,500,000
Maximum
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
401(k) Maximum of employer match as a percentage of employee eligible earnings	5.00%	5.00%	5.00%

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Earnings Per Share (Narrative) (Details) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share Narrative [Line Items]
Weighted average unvested shares outstanding	200,000	200,000	200,000
Anti-dilutive stock options excluded from dilutive earnings per share calculation	682	0	0
5.417% Series 1 Cumulative Convertible Preferred Shares
Earnings Per Share Narrative [Line Items]
Cumulative convertible preferred share, dividend rate	5.417%	5.417%	5.417%

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Earnings Per Share (Schedule Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended													12 Months Ended
	Dec. 31, 2017	[1]	Sep. 30, 2017	[1]	Jun. 30, 2017	[1]	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	[2]	Jun. 30, 2016	Mar. 31, 2016	[2]	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Income from continuing operations														$ 219,948	$ 226,425	$ 190,094
Less: Preferred share dividends														(2,458)	(541)	(541)
Less: Income from continuing operations attributable to noncontrolling interests														(7,666)	(7,648)	(8,205)
Less: Earnings allocated to unvested shares														(942)	(702)	(797)
Income from continuing operations available for common shareholders														208,882	217,534	180,551
Gain on sale of real estate and change in control of interests, net														(77,632)	(31,133)	(28,330)
Net income available for common shareholders, basic and diluted														$ 286,514	$ 248,667	$ 208,881
Weighted average common shares outstanding—basic														72,117	70,877	68,797
Stock options														116	172	184
Weighted average common shares outstanding—diluted														72,233	71,049	68,981
Earnings Per Common Share, Basic	$ 0.67		$ 1.47		$ 1.05		$ 0.78	$ 0.81	$ 0.82		$ 0.79	$ 1.10		$ 3.97	$ 3.51	$ 3.04
Earnings Per Common Share, Diluted	$ 0.67		$ 1.47		$ 1.05		$ 0.78	$ 0.80	$ 0.82		$ 0.78	$ 1.10		$ 3.97	$ 3.50	$ 3.03
Income from continuing operations attributable to the Trust														$ 212,282	$ 218,777	$ 181,889

[1] Second quarter 2017 includes a $15.4 million gain related to the sale of three ground lease parcels at our Assembly Row property in Somerville, Massachusetts. Third quarter 2017 includes a $50.8 million gain on sale of real estate from our 150 Post Street and North Lake Commons properties. Fourth quarter 2017 includes a $6.5 million gain related to the sale of a parcel of land at our Bethesda Row property. Additionally, second, third, and fourth quarter 2017 include net percentage-of-completion gains of $3.3 million, $0.6 million, and $1.5 million, respectively, related to condominiums under binding contract at our Assembly Row property. All of these transactions are further discussed in Note 3. Fourth quarter 2017 includes a $12.3 million early extinguishment of debt charge as further discussed in Note 5.

[2] First quarter 2016 includes a $25.7 million gain on change in control of interests from our Clarion Partners acquisition as further discussed in Note 3. Third quarter 2016 includes a $4.9 million gain on sale from the reversal of our warranty reserve on condominiums sold at Santana Row as further discussed in Note 7.

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Selected Quarterly Financial Data (Unaudited) Summary Of Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended													12 Months Ended
	Dec. 31, 2017		Sep. 30, 2017		Jun. 30, 2017		Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016		Jun. 30, 2016	Mar. 31, 2016		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 223,957		$ 217,953		$ 208,049		$ 207,389	$ 204,109	$ 201,157		$ 197,981	$ 198,344		$ 857,348	$ 801,591	$ 744,012
Operating income	83,157		84,497		83,090		81,544	83,477	80,461		80,135	76,922		332,288	320,995	300,154
Net income	52,785	[1]	108,882	[1]	78,133	[1]	58,070	59,724	61,198	[2]	58,898	79,063	[2]	297,870	258,883	218,424
NET INCOME ATTRIBUTABLE TO THE TRUST	50,656	[1]	106,777	[1]	76,291	[1]	56,190	58,037	58,977	[2]	55,941	76,955	[2]	289,914	249,910	210,219
Net income available for common shareholders	$ 48,645	[1]	$ 106,600	[1]	$ 76,156	[1]	$ 56,055	$ 57,902	$ 58,841	[2]	$ 55,806	$ 76,820	[2]	$ 287,456	$ 249,369	$ 209,678
Earnings Per Common Share, Basic	$ 0.67	[1]	$ 1.47	[1]	$ 1.05	[1]	$ 0.78	$ 0.81	$ 0.82	[2]	$ 0.79	$ 1.10	[2]	$ 3.97	$ 3.51	$ 3.04
Net income available for common shareholders	$ 0.67	[1]	$ 1.47	[1]	$ 1.05	[1]	$ 0.78	$ 0.80	$ 0.82	[2]	$ 0.78	$ 1.10	[2]	$ 3.97	$ 3.50	$ 3.03

[1] Second quarter 2017 includes a $15.4 million gain related to the sale of three ground lease parcels at our Assembly Row property in Somerville, Massachusetts. Third quarter 2017 includes a $50.8 million gain on sale of real estate from our 150 Post Street and North Lake Commons properties. Fourth quarter 2017 includes a $6.5 million gain related to the sale of a parcel of land at our Bethesda Row property. Additionally, second, third, and fourth quarter 2017 include net percentage-of-completion gains of $3.3 million, $0.6 million, and $1.5 million, respectively, related to condominiums under binding contract at our Assembly Row property. All of these transactions are further discussed in Note 3. Fourth quarter 2017 includes a $12.3 million early extinguishment of debt charge as further discussed in Note 5.

[2] First quarter 2016 includes a $25.7 million gain on change in control of interests from our Clarion Partners acquisition as further discussed in Note 3. Third quarter 2016 includes a $4.9 million gain on sale from the reversal of our warranty reserve on condominiums sold at Santana Row as further discussed in Note 7.

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Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ in Thousands				3 Months Ended					12 Months Ended
	Dec. 28, 2017	May 12, 2016	Jan. 13, 2016	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Jun. 28, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Early extinguishment of debt				$ 12,300					$ (12,273)	$ 0	$ (19,072)
Coconut Grove | CocoWalk
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of real estate, net of noncontrolling interests		$ 500
gain on sale of real estate | Santana Row
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reversal of warranty reserve					$ 4,900					$ 4,900
Clarion
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on acquisition of controlling interest			$ 25,700					$ 25,700
Land | Assembly Row
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Sale of Properties							$ 15,400
Gain on sale of real estate						$ 15,400
Land | 150 Post Street And North Lake Commons
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of real estate					50,800
Land | Bethesda Row
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Sale of Properties	$ 6,500
Condominiums | Assembly Row
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of real estate				$ 1,500	$ 600	$ 3,300			$ 5,400

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Schedule III - Summary of Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 563,061	$ 542,707
Initial cost to company, Land	1,459,351
Initial cost to company, Buildings and Improvements	2,425,230
Cost Capitalized Subsequent to Acquisition	3,750,480
Gross amount at which carried at close of period, Land	1,427,777
Gross amount at which carried at close of period, Buildings and Improvements	6,207,284
Gross amount at which carried at close of period, Total	7,635,061	6,759,073	$ 6,064,406	$ 5,608,998
Accumulated Depreciation and Amortization	1,876,544	$ 1,729,234	$ 1,574,041	$ 1,467,050
29th Place
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,312
Initial cost to company, Land	10,211
Initial cost to company, Buildings and Improvements	18,863
Cost Capitalized Subsequent to Acquisition	11,973
Gross amount at which carried at close of period, Land	10,195
Gross amount at which carried at close of period, Buildings and Improvements	30,852
Gross amount at which carried at close of period, Total	41,047
Accumulated Depreciation and Amortization	$ 12,144
Life on which depreciation in latest income statements is computed	35 years
Andorra
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 2,432
Initial cost to company, Buildings and Improvements	12,346
Cost Capitalized Subsequent to Acquisition	11,161
Gross amount at which carried at close of period, Land	2,432
Gross amount at which carried at close of period, Buildings and Improvements	23,507
Gross amount at which carried at close of period, Total	25,939
Accumulated Depreciation and Amortization	$ 19,028
Life on which depreciation in latest income statements is computed	35 years
Assembly Row/Assembly Square Market Place
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 93,252
Initial cost to company, Buildings and Improvements	34,196
Cost Capitalized Subsequent to Acquisition	564,077
Gross amount at which carried at close of period, Land	69,421
Gross amount at which carried at close of period, Buildings and Improvements	622,104
Gross amount at which carried at close of period, Total	691,525
Accumulated Depreciation and Amortization	$ 43,659
Life on which depreciation in latest income statements is computed	35 years
Atlantic Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 6,293
Initial cost to company, Buildings and Improvements	17,109
Cost Capitalized Subsequent to Acquisition	2,325
Gross amount at which carried at close of period, Land	6,293
Gross amount at which carried at close of period, Buildings and Improvements	19,434
Gross amount at which carried at close of period, Total	25,727
Accumulated Depreciation and Amortization	$ 1,863
Life on which depreciation in latest income statements is computed	35 years
Azalea
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 39,609
Initial cost to company, Land	40,219
Initial cost to company, Buildings and Improvements	67,117
Cost Capitalized Subsequent to Acquisition	4
Gross amount at which carried at close of period, Land	40,219
Gross amount at which carried at close of period, Buildings and Improvements	67,121
Gross amount at which carried at close of period, Total	107,340
Accumulated Depreciation and Amortization	$ 1,049
Life on which depreciation in latest income statements is computed	35 years
Bala Cynwyd
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,565
Initial cost to company, Buildings and Improvements	14,466
Cost Capitalized Subsequent to Acquisition	23,443
Gross amount at which carried at close of period, Land	2,581
Gross amount at which carried at close of period, Buildings and Improvements	38,893
Gross amount at which carried at close of period, Total	41,474
Accumulated Depreciation and Amortization	$ 20,299
Life on which depreciation in latest income statements is computed	35 years
Barcroft Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 12,617
Initial cost to company, Buildings and Improvements	29,603
Cost Capitalized Subsequent to Acquisition	3,279
Gross amount at which carried at close of period, Land	12,617
Gross amount at which carried at close of period, Buildings and Improvements	32,882
Gross amount at which carried at close of period, Total	45,499
Accumulated Depreciation and Amortization	$ 2,030
Life on which depreciation in latest income statements is computed	35 years
Barracks Road
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,363
Initial cost to company, Buildings and Improvements	16,459
Cost Capitalized Subsequent to Acquisition	47,088
Gross amount at which carried at close of period, Land	4,363
Gross amount at which carried at close of period, Buildings and Improvements	63,547
Gross amount at which carried at close of period, Total	67,910
Accumulated Depreciation and Amortization	$ 42,077
Life on which depreciation in latest income statements is computed	35 years
Bell Gardens
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 12,682
Initial cost to company, Land	18,021
Initial cost to company, Buildings and Improvements	82,470
Cost Capitalized Subsequent to Acquisition	159
Gross amount at which carried at close of period, Land	18,021
Gross amount at which carried at close of period, Buildings and Improvements	82,629
Gross amount at which carried at close of period, Total	100,650
Accumulated Depreciation and Amortization	$ 1,843
Life on which depreciation in latest income statements is computed	35 years
Bethesda Row
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 46,579
Initial cost to company, Buildings and Improvements	35,406
Cost Capitalized Subsequent to Acquisition	144,089
Gross amount at which carried at close of period, Land	43,896
Gross amount at which carried at close of period, Buildings and Improvements	182,178
Gross amount at which carried at close of period, Total	226,074
Accumulated Depreciation and Amortization	$ 73,883
Bethesda Row | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statements is computed	35 years
Bethesda Row | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statements is computed	50 years
Brick Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 0
Initial cost to company, Buildings and Improvements	24,715
Cost Capitalized Subsequent to Acquisition	51,757
Gross amount at which carried at close of period, Land	3,945
Gross amount at which carried at close of period, Buildings and Improvements	72,527
Gross amount at which carried at close of period, Total	76,472
Accumulated Depreciation and Amortization	$ 47,932
Life on which depreciation in latest income statements is computed	35 years
Bristol Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,856
Initial cost to company, Buildings and Improvements	15,959
Cost Capitalized Subsequent to Acquisition	11,849
Gross amount at which carried at close of period, Land	3,856
Gross amount at which carried at close of period, Buildings and Improvements	27,808
Gross amount at which carried at close of period, Total	31,664
Accumulated Depreciation and Amortization	$ 17,680
Life on which depreciation in latest income statements is computed	35 years
Brook 35
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 11,263
Initial cost to company, Land	7,128
Initial cost to company, Buildings and Improvements	38,355
Cost Capitalized Subsequent to Acquisition	2,043
Gross amount at which carried at close of period, Land	7,128
Gross amount at which carried at close of period, Buildings and Improvements	40,398
Gross amount at which carried at close of period, Total	47,526
Accumulated Depreciation and Amortization	$ 5,494
Life on which depreciation in latest income statements is computed	35 years
Campus Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 16,710
Initial cost to company, Buildings and Improvements	13,412
Cost Capitalized Subsequent to Acquisition	429
Gross amount at which carried at close of period, Land	16,710
Gross amount at which carried at close of period, Buildings and Improvements	13,841
Gross amount at which carried at close of period, Total	30,551
Accumulated Depreciation and Amortization	$ 1,243
Life on which depreciation in latest income statements is computed	35 years
Chelsea Commons
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 6,037
Initial cost to company, Land	9,417
Initial cost to company, Buildings and Improvements	19,466
Cost Capitalized Subsequent to Acquisition	14,015
Gross amount at which carried at close of period, Land	9,396
Gross amount at which carried at close of period, Buildings and Improvements	33,502
Gross amount at which carried at close of period, Total	42,898
Accumulated Depreciation and Amortization	$ 8,509
Life on which depreciation in latest income statements is computed	35 years
CocoWalk
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 35,063
Initial cost to company, Buildings and Improvements	71,476
Cost Capitalized Subsequent to Acquisition	9,881
Gross amount at which carried at close of period, Land	34,406
Gross amount at which carried at close of period, Buildings and Improvements	82,014
Gross amount at which carried at close of period, Total	116,420
Accumulated Depreciation and Amortization	$ 6,536
Life on which depreciation in latest income statements is computed	35 years
Colorado Blvd
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 5,262
Initial cost to company, Buildings and Improvements	4,071
Cost Capitalized Subsequent to Acquisition	10,184
Gross amount at which carried at close of period, Land	5,262
Gross amount at which carried at close of period, Buildings and Improvements	14,255
Gross amount at which carried at close of period, Total	19,517
Accumulated Depreciation and Amortization	$ 10,678
Life on which depreciation in latest income statements is computed	35 years
Congressional Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 2,793
Initial cost to company, Buildings and Improvements	7,424
Cost Capitalized Subsequent to Acquisition	92,104
Gross amount at which carried at close of period, Land	1,020
Gross amount at which carried at close of period, Buildings and Improvements	101,301
Gross amount at which carried at close of period, Total	102,321
Accumulated Depreciation and Amortization	$ 53,731
Life on which depreciation in latest income statements is computed	35 years
Courthouse Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,750
Initial cost to company, Buildings and Improvements	1,869
Cost Capitalized Subsequent to Acquisition	1,532
Gross amount at which carried at close of period, Land	1,750
Gross amount at which carried at close of period, Buildings and Improvements	3,401
Gross amount at which carried at close of period, Total	5,151
Accumulated Depreciation and Amortization	$ 1,923
Life on which depreciation in latest income statements is computed	35 years
Crossroads
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,635
Initial cost to company, Buildings and Improvements	11,611
Cost Capitalized Subsequent to Acquisition	16,882
Gross amount at which carried at close of period, Land	4,635
Gross amount at which carried at close of period, Buildings and Improvements	28,493
Gross amount at which carried at close of period, Total	33,128
Accumulated Depreciation and Amortization	$ 16,494
Life on which depreciation in latest income statements is computed	35 years
Crow Canyon Commons
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 27,245
Initial cost to company, Buildings and Improvements	54,575
Cost Capitalized Subsequent to Acquisition	8,525
Gross amount at which carried at close of period, Land	27,245
Gross amount at which carried at close of period, Buildings and Improvements	63,100
Gross amount at which carried at close of period, Total	90,345
Accumulated Depreciation and Amortization	$ 21,704
Life on which depreciation in latest income statements is computed	35 years
Darien
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 29,809
Initial cost to company, Buildings and Improvements	18,302
Cost Capitalized Subsequent to Acquisition	1,862
Gross amount at which carried at close of period, Land	29,809
Gross amount at which carried at close of period, Buildings and Improvements	20,164
Gross amount at which carried at close of period, Total	49,973
Accumulated Depreciation and Amortization	$ 3,075
Life on which depreciation in latest income statements is computed	35 years
Dedham Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 14,841
Initial cost to company, Buildings and Improvements	12,918
Cost Capitalized Subsequent to Acquisition	13,317
Gross amount at which carried at close of period, Land	14,841
Gross amount at which carried at close of period, Buildings and Improvements	26,235
Gross amount at which carried at close of period, Total	41,076
Accumulated Depreciation and Amortization	$ 15,380
Life on which depreciation in latest income statements is computed	35 years
Del Mar Village
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 15,624
Initial cost to company, Buildings and Improvements	41,712
Cost Capitalized Subsequent to Acquisition	8,057
Gross amount at which carried at close of period, Land	15,587
Gross amount at which carried at close of period, Buildings and Improvements	49,806
Gross amount at which carried at close of period, Total	65,393
Accumulated Depreciation and Amortization	$ 20,432
Life on which depreciation in latest income statements is computed	35 years
East Bay Bridge
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 29,079
Initial cost to company, Buildings and Improvements	138,035
Cost Capitalized Subsequent to Acquisition	11,772
Gross amount at which carried at close of period, Land	29,079
Gross amount at which carried at close of period, Buildings and Improvements	149,807
Gross amount at which carried at close of period, Total	178,886
Accumulated Depreciation and Amortization	$ 25,229
Life on which depreciation in latest income statements is computed	35 years
Eastgate Crossing
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,608
Initial cost to company, Buildings and Improvements	5,775
Cost Capitalized Subsequent to Acquisition	26,981
Gross amount at which carried at close of period, Land	1,608
Gross amount at which carried at close of period, Buildings and Improvements	32,756
Gross amount at which carried at close of period, Total	34,364
Accumulated Depreciation and Amortization	$ 19,622
Life on which depreciation in latest income statements is computed	35 years
Elllisburg
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,028
Initial cost to company, Buildings and Improvements	11,309
Cost Capitalized Subsequent to Acquisition	19,211
Gross amount at which carried at close of period, Land	4,013
Gross amount at which carried at close of period, Buildings and Improvements	30,535
Gross amount at which carried at close of period, Total	34,548
Accumulated Depreciation and Amortization	$ 20,099
Life on which depreciation in latest income statements is computed	35 years
Escondido Promenade
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 19,117
Initial cost to company, Buildings and Improvements	15,829
Cost Capitalized Subsequent to Acquisition	14,530
Gross amount at which carried at close of period, Land	19,117
Gross amount at which carried at close of period, Buildings and Improvements	30,359
Gross amount at which carried at close of period, Total	49,476
Accumulated Depreciation and Amortization	$ 16,037
Life on which depreciation in latest income statements is computed	35 years
Falls Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,798
Initial cost to company, Buildings and Improvements	1,270
Cost Capitalized Subsequent to Acquisition	10,943
Gross amount at which carried at close of period, Land	1,819
Gross amount at which carried at close of period, Buildings and Improvements	12,192
Gross amount at which carried at close of period, Total	14,011
Accumulated Depreciation and Amortization	$ 8,664
Life on which depreciation in latest income statements is computed	25 years
Federal Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 10,216
Initial cost to company, Buildings and Improvements	17,895
Cost Capitalized Subsequent to Acquisition	41,769
Gross amount at which carried at close of period, Land	10,216
Gross amount at which carried at close of period, Buildings and Improvements	59,664
Gross amount at which carried at close of period, Total	69,880
Accumulated Depreciation and Amortization	$ 42,794
Life on which depreciation in latest income statements is computed	35 years
Finley Square
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 9,252
Initial cost to company, Buildings and Improvements	9,544
Cost Capitalized Subsequent to Acquisition	19,604
Gross amount at which carried at close of period, Land	9,252
Gross amount at which carried at close of period, Buildings and Improvements	29,148
Gross amount at which carried at close of period, Total	38,400
Accumulated Depreciation and Amortization	$ 19,836
Life on which depreciation in latest income statements is computed	35 years
Flourtown
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,345
Initial cost to company, Buildings and Improvements	3,943
Cost Capitalized Subsequent to Acquisition	11,666
Gross amount at which carried at close of period, Land	1,345
Gross amount at which carried at close of period, Buildings and Improvements	15,609
Gross amount at which carried at close of period, Total	16,954
Accumulated Depreciation and Amortization	$ 5,981
Life on which depreciation in latest income statements is computed	35 years
Fourth Street
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 13,928
Initial cost to company, Buildings and Improvements	9,909
Cost Capitalized Subsequent to Acquisition	39
Gross amount at which carried at close of period, Land	13,928
Gross amount at which carried at close of period, Buildings and Improvements	9,948
Gross amount at which carried at close of period, Total	23,876
Accumulated Depreciation and Amortization	$ 248
Life on which depreciation in latest income statements is computed	35 years
Free State Shopping Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 18,581
Initial cost to company, Buildings and Improvements	41,658
Cost Capitalized Subsequent to Acquisition	4,538
Gross amount at which carried at close of period, Land	18,581
Gross amount at which carried at close of period, Buildings and Improvements	46,196
Gross amount at which carried at close of period, Total	64,777
Accumulated Depreciation and Amortization	$ 3,741
Life on which depreciation in latest income statements is computed	35 years
Fresh Meadows
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 24,625
Initial cost to company, Buildings and Improvements	25,255
Cost Capitalized Subsequent to Acquisition	40,395
Gross amount at which carried at close of period, Land	24,633
Gross amount at which carried at close of period, Buildings and Improvements	65,642
Gross amount at which carried at close of period, Total	90,275
Accumulated Depreciation and Amortization	$ 37,948
Life on which depreciation in latest income statements is computed	35 years
Friendship Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 12,696
Initial cost to company, Buildings and Improvements	20,803
Cost Capitalized Subsequent to Acquisition	4,616
Gross amount at which carried at close of period, Land	12,696
Gross amount at which carried at close of period, Buildings and Improvements	25,419
Gross amount at which carried at close of period, Total	38,115
Accumulated Depreciation and Amortization	$ 11,917
Life on which depreciation in latest income statements is computed	35 years
Gaithersburg Square
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 7,701
Initial cost to company, Buildings and Improvements	5,271
Cost Capitalized Subsequent to Acquisition	14,468
Gross amount at which carried at close of period, Land	5,973
Gross amount at which carried at close of period, Buildings and Improvements	21,467
Gross amount at which carried at close of period, Total	27,440
Accumulated Depreciation and Amortization	$ 17,830
Life on which depreciation in latest income statements is computed	35 years
Garden Market
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 2,677
Initial cost to company, Buildings and Improvements	4,829
Cost Capitalized Subsequent to Acquisition	6,909
Gross amount at which carried at close of period, Land	2,677
Gross amount at which carried at close of period, Buildings and Improvements	11,738
Gross amount at which carried at close of period, Total	14,415
Accumulated Depreciation and Amortization	$ 7,569
Life on which depreciation in latest income statements is computed	35 years
Governor Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 2,068
Initial cost to company, Buildings and Improvements	4,905
Cost Capitalized Subsequent to Acquisition	20,319
Gross amount at which carried at close of period, Land	2,068
Gross amount at which carried at close of period, Buildings and Improvements	25,224
Gross amount at which carried at close of period, Total	27,292
Accumulated Depreciation and Amortization	$ 20,241
Life on which depreciation in latest income statements is computed	35 years
Graham Park Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,237
Initial cost to company, Buildings and Improvements	15,096
Cost Capitalized Subsequent to Acquisition	18,874
Gross amount at which carried at close of period, Land	1,169
Gross amount at which carried at close of period, Buildings and Improvements	34,038
Gross amount at which carried at close of period, Total	35,207
Accumulated Depreciation and Amortization	$ 28,053
Life on which depreciation in latest income statements is computed	35 years
Gratiot Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 525
Initial cost to company, Buildings and Improvements	1,601
Cost Capitalized Subsequent to Acquisition	17,702
Gross amount at which carried at close of period, Land	525
Gross amount at which carried at close of period, Buildings and Improvements	19,303
Gross amount at which carried at close of period, Total	19,828
Accumulated Depreciation and Amortization	$ 17,270
Life on which depreciation in latest income statements is computed	25 years 9 months
Greenlawn Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 10,590
Initial cost to company, Buildings and Improvements	20,869
Cost Capitalized Subsequent to Acquisition	245
Gross amount at which carried at close of period, Land	10,590
Gross amount at which carried at close of period, Buildings and Improvements	21,114
Gross amount at which carried at close of period, Total	31,704
Accumulated Depreciation and Amortization	$ 1,756
Life on which depreciation in latest income statements is computed	35 years
Greenwich Avenue
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 7,484
Initial cost to company, Buildings and Improvements	5,444
Cost Capitalized Subsequent to Acquisition	1,199
Gross amount at which carried at close of period, Land	7,484
Gross amount at which carried at close of period, Buildings and Improvements	6,643
Gross amount at which carried at close of period, Total	14,127
Accumulated Depreciation and Amortization	$ 4,170
Life on which depreciation in latest income statements is computed	35 years
Hastings Ranch Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 0
Initial cost to company, Buildings and Improvements	22,393
Cost Capitalized Subsequent to Acquisition	236
Gross amount at which carried at close of period, Land	0
Gross amount at which carried at close of period, Buildings and Improvements	22,629
Gross amount at which carried at close of period, Total	22,629
Accumulated Depreciation and Amortization	$ 699
Life on which depreciation in latest income statements is computed	35 years
Hauppauge
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 8,791
Initial cost to company, Buildings and Improvements	15,262
Cost Capitalized Subsequent to Acquisition	5,018
Gross amount at which carried at close of period, Land	8,419
Gross amount at which carried at close of period, Buildings and Improvements	20,652
Gross amount at which carried at close of period, Total	29,071
Accumulated Depreciation and Amortization	$ 11,724
Life on which depreciation in latest income statements is computed	35 years
Hermosa Avenue
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,116
Initial cost to company, Buildings and Improvements	280
Cost Capitalized Subsequent to Acquisition	4,648
Gross amount at which carried at close of period, Land	1,368
Gross amount at which carried at close of period, Buildings and Improvements	4,676
Gross amount at which carried at close of period, Total	6,044
Accumulated Depreciation and Amortization	$ 3,298
Life on which depreciation in latest income statements is computed	35 years
Hollywood Blvd.
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 8,300
Initial cost to company, Buildings and Improvements	16,920
Cost Capitalized Subsequent to Acquisition	21,719
Gross amount at which carried at close of period, Land	8,370
Gross amount at which carried at close of period, Buildings and Improvements	38,569
Gross amount at which carried at close of period, Total	46,939
Accumulated Depreciation and Amortization	$ 14,755
Life on which depreciation in latest income statements is computed	35 years
Huntington
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 12,194
Initial cost to company, Buildings and Improvements	16,008
Cost Capitalized Subsequent to Acquisition	19,144
Gross amount at which carried at close of period, Land	12,194
Gross amount at which carried at close of period, Buildings and Improvements	35,152
Gross amount at which carried at close of period, Total	47,346
Accumulated Depreciation and Amortization	$ 15,825
Life on which depreciation in latest income statements is computed	35 years
Huntington Square
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 0
Initial cost to company, Buildings and Improvements	10,075
Cost Capitalized Subsequent to Acquisition	2,106
Gross amount at which carried at close of period, Land	0
Gross amount at which carried at close of period, Buildings and Improvements	12,181
Gross amount at which carried at close of period, Total	12,181
Accumulated Depreciation and Amortization	$ 3,317
Life on which depreciation in latest income statements is computed	35 years
Idylwood Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,308
Initial cost to company, Buildings and Improvements	10,026
Cost Capitalized Subsequent to Acquisition	2,579
Gross amount at which carried at close of period, Land	4,308
Gross amount at which carried at close of period, Buildings and Improvements	12,605
Gross amount at which carried at close of period, Total	16,913
Accumulated Depreciation and Amortization	$ 8,928
Life on which depreciation in latest income statements is computed	35 years
Kings Court
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 0
Initial cost to company, Buildings and Improvements	10,714
Cost Capitalized Subsequent to Acquisition	954
Gross amount at which carried at close of period, Land	0
Gross amount at which carried at close of period, Buildings and Improvements	11,668
Gross amount at which carried at close of period, Total	11,668
Accumulated Depreciation and Amortization	$ 8,776
Life on which depreciation in latest income statements is computed	26 years
Lancaster
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 4,907
Initial cost to company, Land	0
Initial cost to company, Buildings and Improvements	2,103
Cost Capitalized Subsequent to Acquisition	12,010
Gross amount at which carried at close of period, Land	75
Gross amount at which carried at close of period, Buildings and Improvements	14,038
Gross amount at which carried at close of period, Total	14,113
Accumulated Depreciation and Amortization	$ 8,212
Life on which depreciation in latest income statements is computed	22 years
Langhorne Square
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 720
Initial cost to company, Buildings and Improvements	2,974
Cost Capitalized Subsequent to Acquisition	18,432
Gross amount at which carried at close of period, Land	720
Gross amount at which carried at close of period, Buildings and Improvements	21,406
Gross amount at which carried at close of period, Total	22,126
Accumulated Depreciation and Amortization	$ 15,170
Life on which depreciation in latest income statements is computed	35 years
Laurel
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 7,458
Initial cost to company, Buildings and Improvements	22,525
Cost Capitalized Subsequent to Acquisition	27,344
Gross amount at which carried at close of period, Land	7,464
Gross amount at which carried at close of period, Buildings and Improvements	49,863
Gross amount at which carried at close of period, Total	57,327
Accumulated Depreciation and Amortization	$ 37,461
Life on which depreciation in latest income statements is computed	35 years
Lawrence Park
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 6,150
Initial cost to company, Buildings and Improvements	8,491
Cost Capitalized Subsequent to Acquisition	20,524
Gross amount at which carried at close of period, Land	6,161
Gross amount at which carried at close of period, Buildings and Improvements	29,004
Gross amount at which carried at close of period, Total	35,165
Accumulated Depreciation and Amortization	$ 24,693
Life on which depreciation in latest income statements is computed	22 years
Leesburg Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 8,184
Initial cost to company, Buildings and Improvements	10,722
Cost Capitalized Subsequent to Acquisition	17,582
Gross amount at which carried at close of period, Land	8,184
Gross amount at which carried at close of period, Buildings and Improvements	28,304
Gross amount at which carried at close of period, Total	36,488
Accumulated Depreciation and Amortization	$ 14,689
Life on which depreciation in latest income statements is computed	35 years
Linden Square
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 79,382
Initial cost to company, Buildings and Improvements	19,247
Cost Capitalized Subsequent to Acquisition	50,074
Gross amount at which carried at close of period, Land	79,347
Gross amount at which carried at close of period, Buildings and Improvements	69,356
Gross amount at which carried at close of period, Total	148,703
Accumulated Depreciation and Amortization	$ 22,208
Life on which depreciation in latest income statements is computed	35 years
Melville Mall
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 35,622
Initial cost to company, Buildings and Improvements	32,882
Cost Capitalized Subsequent to Acquisition	20,096
Gross amount at which carried at close of period, Land	35,622
Gross amount at which carried at close of period, Buildings and Improvements	52,978
Gross amount at which carried at close of period, Total	88,600
Accumulated Depreciation and Amortization	$ 12,458
Life on which depreciation in latest income statements is computed	35 years
Mercer Mall
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 55,548
Initial cost to company, Land	29,738
Initial cost to company, Buildings and Improvements	51,047
Cost Capitalized Subsequent to Acquisition	45,957
Gross amount at which carried at close of period, Land	29,738
Gross amount at which carried at close of period, Buildings and Improvements	97,004
Gross amount at which carried at close of period, Total	126,742
Accumulated Depreciation and Amortization	$ 41,330
Mercer Mall | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statements is computed	25 years
Mercer Mall | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statements is computed	35 years
Montrose Crossing
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 71,054
Initial cost to company, Land	48,624
Initial cost to company, Buildings and Improvements	91,819
Cost Capitalized Subsequent to Acquisition	19,678
Gross amount at which carried at close of period, Land	48,624
Gross amount at which carried at close of period, Buildings and Improvements	111,497
Gross amount at which carried at close of period, Total	160,121
Accumulated Depreciation and Amortization	$ 24,840
Life on which depreciation in latest income statements is computed	35 years
Mount Vernon/South Valley/7770 Richmond Hwy,
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 10,068
Initial cost to company, Buildings and Improvements	33,501
Cost Capitalized Subsequent to Acquisition	41,132
Gross amount at which carried at close of period, Land	10,230
Gross amount at which carried at close of period, Buildings and Improvements	74,471
Gross amount at which carried at close of period, Total	84,701
Accumulated Depreciation and Amortization	$ 34,011
Life on which depreciation in latest income statements is computed	35 years
North Dartmouth
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 9,366
Initial cost to company, Buildings and Improvements	0
Cost Capitalized Subsequent to Acquisition	3
Gross amount at which carried at close of period, Land	9,366
Gross amount at which carried at close of period, Buildings and Improvements	3
Gross amount at which carried at close of period, Total	9,369
Accumulated Depreciation and Amortization	$ 0
Life on which depreciation in latest income statements is computed
Northeast
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,152
Initial cost to company, Buildings and Improvements	10,596
Cost Capitalized Subsequent to Acquisition	18,679
Gross amount at which carried at close of period, Land	1,153
Gross amount at which carried at close of period, Buildings and Improvements	29,274
Gross amount at which carried at close of period, Total	30,427
Accumulated Depreciation and Amortization	$ 20,496
Life on which depreciation in latest income statements is computed	35 years
Old Keene Mill
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 638
Initial cost to company, Buildings and Improvements	998
Cost Capitalized Subsequent to Acquisition	6,212
Gross amount at which carried at close of period, Land	638
Gross amount at which carried at close of period, Buildings and Improvements	7,210
Gross amount at which carried at close of period, Total	7,848
Accumulated Depreciation and Amortization	$ 5,418
Life on which depreciation in latest income statements is computed	33 years 4 months
Old Town Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,420
Initial cost to company, Buildings and Improvements	2,765
Cost Capitalized Subsequent to Acquisition	30,997
Gross amount at which carried at close of period, Land	3,420
Gross amount at which carried at close of period, Buildings and Improvements	33,762
Gross amount at which carried at close of period, Total	37,182
Accumulated Depreciation and Amortization	$ 21,217
Life on which depreciation in latest income statements is computed	35 years
Olivo at Mission Hills
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 15,048
Initial cost to company, Buildings and Improvements	46,732
Cost Capitalized Subsequent to Acquisition	10,358
Gross amount at which carried at close of period, Land	15,048
Gross amount at which carried at close of period, Buildings and Improvements	57,090
Gross amount at which carried at close of period, Total	72,138
Accumulated Depreciation and Amortization	$ 213
Life on which depreciation in latest income statements is computed	35 years
Pan Am Shopping Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 8,694
Initial cost to company, Buildings and Improvements	12,929
Cost Capitalized Subsequent to Acquisition	7,610
Gross amount at which carried at close of period, Land	8,695
Gross amount at which carried at close of period, Buildings and Improvements	20,538
Gross amount at which carried at close of period, Total	29,233
Accumulated Depreciation and Amortization	$ 15,159
Life on which depreciation in latest income statements is computed	35 years
Pentagon Row
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 0
Initial cost to company, Buildings and Improvements	2,955
Cost Capitalized Subsequent to Acquisition	100,369
Gross amount at which carried at close of period, Land	0
Gross amount at which carried at close of period, Buildings and Improvements	103,324
Gross amount at which carried at close of period, Total	103,324
Accumulated Depreciation and Amortization	$ 46,051
Life on which depreciation in latest income statements is computed	35 years
Perring Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 2,800
Initial cost to company, Buildings and Improvements	6,461
Cost Capitalized Subsequent to Acquisition	21,836
Gross amount at which carried at close of period, Land	2,800
Gross amount at which carried at close of period, Buildings and Improvements	28,297
Gross amount at which carried at close of period, Total	31,097
Accumulated Depreciation and Amortization	$ 23,112
Life on which depreciation in latest income statements is computed	35 years
Pike & Rose
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 31,471
Initial cost to company, Buildings and Improvements	10,335
Cost Capitalized Subsequent to Acquisition	543,484
Gross amount at which carried at close of period, Land	29,903
Gross amount at which carried at close of period, Buildings and Improvements	555,387
Gross amount at which carried at close of period, Total	585,290
Accumulated Depreciation and Amortization	$ 23,148
Life on which depreciation in latest income statements is computed	50 years
Pike 7
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 14,970
Initial cost to company, Buildings and Improvements	22,799
Cost Capitalized Subsequent to Acquisition	6,929
Gross amount at which carried at close of period, Land	14,914
Gross amount at which carried at close of period, Buildings and Improvements	29,784
Gross amount at which carried at close of period, Total	44,698
Accumulated Depreciation and Amortization	$ 16,745
Life on which depreciation in latest income statements is computed	35 years
Plaza Del Mercado
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 10,305
Initial cost to company, Buildings and Improvements	21,553
Cost Capitalized Subsequent to Acquisition	14,329
Gross amount at which carried at close of period, Land	10,305
Gross amount at which carried at close of period, Buildings and Improvements	35,882
Gross amount at which carried at close of period, Total	46,187
Accumulated Depreciation and Amortization	$ 2,341
Life on which depreciation in latest income statements is computed	35 years
Plaza Del Sol
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 8,746
Initial cost to company, Land	5,605
Initial cost to company, Buildings and Improvements	12,331
Cost Capitalized Subsequent to Acquisition	0
Gross amount at which carried at close of period, Land	5,605
Gross amount at which carried at close of period, Buildings and Improvements	12,331
Gross amount at which carried at close of period, Total	17,936
Accumulated Depreciation and Amortization	$ 212
Life on which depreciation in latest income statements is computed	35 years
Plaza El Segundo/The Point
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 124,151
Initial cost to company, Land	62,127
Initial cost to company, Buildings and Improvements	153,556
Cost Capitalized Subsequent to Acquisition	65,337
Gross amount at which carried at close of period, Land	64,463
Gross amount at which carried at close of period, Buildings and Improvements	216,557
Gross amount at which carried at close of period, Total	281,020
Accumulated Depreciation and Amortization	$ 39,623
Life on which depreciation in latest income statements is computed	35 years
Plaza Pacoima
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 38,138
Initial cost to company, Buildings and Improvements	12,227
Cost Capitalized Subsequent to Acquisition	0
Gross amount at which carried at close of period, Land	38,138
Gross amount at which carried at close of period, Buildings and Improvements	12,227
Gross amount at which carried at close of period, Total	50,365
Accumulated Depreciation and Amortization	$ 225
Life on which depreciation in latest income statements is computed	35 years
Queen Anne Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,319
Initial cost to company, Buildings and Improvements	8,457
Cost Capitalized Subsequent to Acquisition	6,519
Gross amount at which carried at close of period, Land	3,319
Gross amount at which carried at close of period, Buildings and Improvements	14,976
Gross amount at which carried at close of period, Total	18,295
Accumulated Depreciation and Amortization	$ 9,881
Life on which depreciation in latest income statements is computed	35 years
Quince Orchard Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,197
Initial cost to company, Buildings and Improvements	7,949
Cost Capitalized Subsequent to Acquisition	27,772
Gross amount at which carried at close of period, Land	2,928
Gross amount at which carried at close of period, Buildings and Improvements	35,990
Gross amount at which carried at close of period, Total	38,918
Accumulated Depreciation and Amortization	$ 19,478
Life on which depreciation in latest income statements is computed	35 years
Riverpoint Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 15,422
Initial cost to company, Buildings and Improvements	104,575
Cost Capitalized Subsequent to Acquisition	82
Gross amount at which carried at close of period, Land	15,422
Gross amount at which carried at close of period, Buildings and Improvements	104,657
Gross amount at which carried at close of period, Total	120,079
Accumulated Depreciation and Amortization	$ 2,626
Life on which depreciation in latest income statements is computed	35 years
Rockville Town Square
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 4,455
Initial cost to company, Land	0
Initial cost to company, Buildings and Improvements	8,092
Cost Capitalized Subsequent to Acquisition	43,010
Gross amount at which carried at close of period, Land	0
Gross amount at which carried at close of period, Buildings and Improvements	51,102
Gross amount at which carried at close of period, Total	51,102
Accumulated Depreciation and Amortization	$ 16,823
Life on which depreciation in latest income statements is computed	50 years
Rollingwood Apts.
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 20,785
Initial cost to company, Land	552
Initial cost to company, Buildings and Improvements	2,246
Cost Capitalized Subsequent to Acquisition	7,988
Gross amount at which carried at close of period, Land	572
Gross amount at which carried at close of period, Buildings and Improvements	10,214
Gross amount at which carried at close of period, Total	10,786
Accumulated Depreciation and Amortization	$ 9,358
Life on which depreciation in latest income statements is computed	25 years
Sam's Park and Shop
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,840
Initial cost to company, Buildings and Improvements	6,319
Cost Capitalized Subsequent to Acquisition	1,679
Gross amount at which carried at close of period, Land	4,840
Gross amount at which carried at close of period, Buildings and Improvements	7,998
Gross amount at which carried at close of period, Total	12,838
Accumulated Depreciation and Amortization	$ 5,158
Life on which depreciation in latest income statements is computed	35 years
San Antonio Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 39,920
Initial cost to company, Buildings and Improvements	32,466
Cost Capitalized Subsequent to Acquisition	1,334
Gross amount at which carried at close of period, Land	39,920
Gross amount at which carried at close of period, Buildings and Improvements	33,800
Gross amount at which carried at close of period, Total	73,720
Accumulated Depreciation and Amortization	$ 4,714
Life on which depreciation in latest income statements is computed	35 years
Santana Row
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 66,682
Initial cost to company, Buildings and Improvements	7,502
Cost Capitalized Subsequent to Acquisition	788,049
Gross amount at which carried at close of period, Land	57,578
Gross amount at which carried at close of period, Buildings and Improvements	804,655
Gross amount at which carried at close of period, Total	862,233
Accumulated Depreciation and Amortization	$ 182,514
Santana Row | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statements is computed	40 years
Santana Row | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statements is computed	50 years
Saugus
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,383
Initial cost to company, Buildings and Improvements	8,291
Cost Capitalized Subsequent to Acquisition	2,588
Gross amount at which carried at close of period, Land	4,383
Gross amount at which carried at close of period, Buildings and Improvements	10,879
Gross amount at which carried at close of period, Total	15,262
Accumulated Depreciation and Amortization	$ 6,702
Life on which depreciation in latest income statements is computed	35 years
Sylmar Towne Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 18,010
Initial cost to company, Land	18,522
Initial cost to company, Buildings and Improvements	24,636
Cost Capitalized Subsequent to Acquisition	376
Gross amount at which carried at close of period, Land	18,522
Gross amount at which carried at close of period, Buildings and Improvements	25,012
Gross amount at which carried at close of period, Total	43,534
Accumulated Depreciation and Amortization	$ 389
Life on which depreciation in latest income statements is computed	35 years
The Avenue at White Marsh
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 52,489
Initial cost to company, Land	20,682
Initial cost to company, Buildings and Improvements	72,432
Cost Capitalized Subsequent to Acquisition	23,014
Gross amount at which carried at close of period, Land	20,685
Gross amount at which carried at close of period, Buildings and Improvements	95,443
Gross amount at which carried at close of period, Total	116,128
Accumulated Depreciation and Amortization	$ 32,066
Life on which depreciation in latest income statements is computed	35 years
The Grove at Shrewsbury
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 53,218
Initial cost to company, Land	18,016
Initial cost to company, Buildings and Improvements	103,115
Cost Capitalized Subsequent to Acquisition	3,886
Gross amount at which carried at close of period, Land	18,021
Gross amount at which carried at close of period, Buildings and Improvements	106,996
Gross amount at which carried at close of period, Total	125,017
Accumulated Depreciation and Amortization	$ 13,884
Life on which depreciation in latest income statements is computed	35 years
The Shoppes At Nottingham Square
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 4,441
Initial cost to company, Buildings and Improvements	12,849
Cost Capitalized Subsequent to Acquisition	254
Gross amount at which carried at close of period, Land	4,441
Gross amount at which carried at close of period, Buildings and Improvements	13,103
Gross amount at which carried at close of period, Total	17,544
Accumulated Depreciation and Amortization	$ 4,912
Life on which depreciation in latest income statements is computed	35 years
The Shops at Sunset Place
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 69,149
Initial cost to company, Land	64,499
Initial cost to company, Buildings and Improvements	50,853
Cost Capitalized Subsequent to Acquisition	8,160
Gross amount at which carried at close of period, Land	64,499
Gross amount at which carried at close of period, Buildings and Improvements	59,013
Gross amount at which carried at close of period, Total	123,512
Accumulated Depreciation and Amortization	$ 6,629
Life on which depreciation in latest income statements is computed	35 years
Third Street Promenade
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 22,645
Initial cost to company, Buildings and Improvements	12,709
Cost Capitalized Subsequent to Acquisition	43,309
Gross amount at which carried at close of period, Land	25,125
Gross amount at which carried at close of period, Buildings and Improvements	53,538
Gross amount at which carried at close of period, Total	78,663
Accumulated Depreciation and Amortization	$ 32,281
Life on which depreciation in latest income statements is computed	35 years
Tower
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 7,170
Initial cost to company, Buildings and Improvements	10,518
Cost Capitalized Subsequent to Acquisition	4,240
Gross amount at which carried at close of period, Land	7,280
Gross amount at which carried at close of period, Buildings and Improvements	14,648
Gross amount at which carried at close of period, Total	21,928
Accumulated Depreciation and Amortization	$ 8,738
Life on which depreciation in latest income statements is computed	35 years
Tower Shops
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 29,940
Initial cost to company, Buildings and Improvements	43,390
Cost Capitalized Subsequent to Acquisition	24,219
Gross amount at which carried at close of period, Land	29,962
Gross amount at which carried at close of period, Buildings and Improvements	67,587
Gross amount at which carried at close of period, Total	97,549
Accumulated Depreciation and Amortization	$ 15,761
Life on which depreciation in latest income statements is computed	35 years
Town Center of New Britain
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,282
Initial cost to company, Buildings and Improvements	12,285
Cost Capitalized Subsequent to Acquisition	1,679
Gross amount at which carried at close of period, Land	1,470
Gross amount at which carried at close of period, Buildings and Improvements	13,776
Gross amount at which carried at close of period, Total	15,246
Accumulated Depreciation and Amortization	$ 5,087
Life on which depreciation in latest income statements is computed	35 years
Townson Residential
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 2,328
Initial cost to company, Buildings and Improvements	0
Cost Capitalized Subsequent to Acquisition	20,048
Gross amount at which carried at close of period, Land	2,328
Gross amount at which carried at close of period, Buildings and Improvements	20,048
Gross amount at which carried at close of period, Total	22,376
Accumulated Depreciation and Amortization	$ 221
Life on which depreciation in latest income statements is computed	35 years
Troy
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,126
Initial cost to company, Buildings and Improvements	5,193
Cost Capitalized Subsequent to Acquisition	28,424
Gross amount at which carried at close of period, Land	5,865
Gross amount at which carried at close of period, Buildings and Improvements	30,878
Gross amount at which carried at close of period, Total	36,743
Accumulated Depreciation and Amortization	$ 21,234
Life on which depreciation in latest income statements is computed	22 years
Tyson's Station
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 388
Initial cost to company, Buildings and Improvements	453
Cost Capitalized Subsequent to Acquisition	3,825
Gross amount at which carried at close of period, Land	475
Gross amount at which carried at close of period, Buildings and Improvements	4,191
Gross amount at which carried at close of period, Total	4,666
Accumulated Depreciation and Amortization	$ 3,737
Life on which depreciation in latest income statements is computed	17 years
Village at Shirlington
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 6,646
Initial cost to company, Land	9,761
Initial cost to company, Buildings and Improvements	14,808
Cost Capitalized Subsequent to Acquisition	40,418
Gross amount at which carried at close of period, Land	4,234
Gross amount at which carried at close of period, Buildings and Improvements	60,753
Gross amount at which carried at close of period, Total	64,987
Accumulated Depreciation and Amortization	$ 27,322
Life on which depreciation in latest income statements is computed	35 years
Westgate Center
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 6,319
Initial cost to company, Buildings and Improvements	107,284
Cost Capitalized Subsequent to Acquisition	39,726
Gross amount at which carried at close of period, Land	6,319
Gross amount at which carried at close of period, Buildings and Improvements	147,010
Gross amount at which carried at close of period, Total	153,329
Accumulated Depreciation and Amortization	$ 48,562
Life on which depreciation in latest income statements is computed	35 years
White Marsh Plaza
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,478
Initial cost to company, Buildings and Improvements	21,413
Cost Capitalized Subsequent to Acquisition	645
Gross amount at which carried at close of period, Land	3,478
Gross amount at which carried at close of period, Buildings and Improvements	22,058
Gross amount at which carried at close of period, Total	25,536
Accumulated Depreciation and Amortization	$ 8,491
Life on which depreciation in latest income statements is computed	35 years
White Marsh Other
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 31,953
Initial cost to company, Buildings and Improvements	1,843
Cost Capitalized Subsequent to Acquisition	140
Gross amount at which carried at close of period, Land	31,983
Gross amount at which carried at close of period, Buildings and Improvements	1,953
Gross amount at which carried at close of period, Total	33,936
Accumulated Depreciation and Amortization	$ 811
Life on which depreciation in latest income statements is computed	35 years
Wildwood
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 9,111
Initial cost to company, Buildings and Improvements	1,061
Cost Capitalized Subsequent to Acquisition	10,291
Gross amount at which carried at close of period, Land	9,111
Gross amount at which carried at close of period, Buildings and Improvements	11,352
Gross amount at which carried at close of period, Total	20,463
Accumulated Depreciation and Amortization	$ 8,839
Life on which depreciation in latest income statements is computed	33 years 4 months
Willow Grove
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 1,499
Initial cost to company, Buildings and Improvements	6,643
Cost Capitalized Subsequent to Acquisition	22,115
Gross amount at which carried at close of period, Land	1,499
Gross amount at which carried at close of period, Buildings and Improvements	28,758
Gross amount at which carried at close of period, Total	30,257
Accumulated Depreciation and Amortization	$ 26,206
Life on which depreciation in latest income statements is computed	35 years
Willow Lawn
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 3,192
Initial cost to company, Buildings and Improvements	7,723
Cost Capitalized Subsequent to Acquisition	84,407
Gross amount at which carried at close of period, Land	7,790
Gross amount at which carried at close of period, Buildings and Improvements	87,532
Gross amount at which carried at close of period, Total	95,322
Accumulated Depreciation and Amortization	$ 56,879
Life on which depreciation in latest income statements is computed	35 years
Wynnewood
Real Estate and Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 8,055
Initial cost to company, Buildings and Improvements	13,759
Cost Capitalized Subsequent to Acquisition	21,092
Gross amount at which carried at close of period, Land	8,055
Gross amount at which carried at close of period, Buildings and Improvements	34,851
Gross amount at which carried at close of period, Total	42,906
Accumulated Depreciation and Amortization	$ 23,196
Life on which depreciation in latest income statements is computed	35 years

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Schedule III Part II - Summary of Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements [Abstract]
Balance at beginning of year	$ 6,759,073	$ 6,064,406	$ 5,608,998
Acquisitions	555,476	229,296	291,726
Improvements	492,541	483,932	281,471
Deduction during period—dispositions and retirements of property	172,029	18,561	117,789
Balance at end of year	7,635,061	6,759,073	6,064,406
Aggregate cost basis for Federal tax purposes	6,700,000
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at beginning of year	1,729,234	1,574,041	1,467,050
Additions during period—depreciation and amortization expense	193,340	173,244	156,513
Deductions during period—dispositions and retirements of property	46,030	18,051	49,522
Balance at end of year	$ 1,876,544	$ 1,729,234	$ 1,574,041

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Schedule IV - Mortgage Loans on Real Estate (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Mortgage Loans on Real Estate [Line Items]
Interest Rate		10.00%	9.90%
Prior Liens		$ 0
Face Amount of Mortgages		30,429
Carrying Amount of Mortgages	[1]	30,429
Principal Amount of Loans Subject to delinquent Principal or Interest		0
Mortgage Loans on Real Estate, Other Required Disclosures [Abstract]
Aggregate tax basis for Federal tax purposes		30,400	$ 29,900
Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of year		29,904	41,618	$ 50,988
Issuance of loans		525		368
Collection and satisfaction of loans			(11,714)	(10,692)
Amortization of discount				954
Balance at end of year		30,429	$ 29,904	$ 41,618
Mortgage On Retail Buildings in Philadelphia, PA, Loan One
Mortgage Loans on Real Estate [Line Items]
Prior Liens		0
Face Amount of Mortgages		21,179
Carrying Amount of Mortgages	[2]	21,179
Principal Amount of Loans Subject to delinquent Principal or Interest		0
Mortgage On Retail Buildings in Philadelphia, PA, Loan One | Maximum
Mortgage Loans on Real Estate [Line Items]
Face Amount of Mortgages		$ 25,000
Mortgage On Retail Buildings in Philadelphia, PA, Loan Two
Mortgage Loans on Real Estate [Line Items]
Interest Rate		10.00%
Prior Liens		$ 0
Face Amount of Mortgages		9,250
Carrying Amount of Mortgages		9,250
Principal Amount of Loans Subject to delinquent Principal or Interest		$ 0
Interest Rate One | Mortgage On Retail Buildings in Philadelphia, PA, Loan One
Mortgage Loans on Real Estate [Line Items]
Interest Rate		8.00%
Interest Rate Two | Mortgage On Retail Buildings in Philadelphia, PA, Loan One
Mortgage Loans on Real Estate [Line Items]
Interest Rate		10.00%

[1] For Federal tax purposes, the aggregate tax basis is approximately $30.4 million as of December 31, 2017.

[2] This mortgage is available for up to $25.0 million.