10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the Quarterly Period Ended: March 31, 2013

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 1-6249

WINTHROP REALTY TRUST

(Exact name of Registrant as specified in its certificate of incorporation)

Ohio	34-6513657
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification Number)
7 Bulfinch Place, Suite 500, Boston, Massachusetts	02114
(Address of principal executive offices)	(Zip Code)

(617) 570-4614

(Registrant’s telephone number, including area code)

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 and 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 at least the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

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 the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	¨	Accelerated filer	x
Non-accelerated filer	¨  (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Exchange Act Rule12b-2).    Yes  ¨    No  x

As of May 1, 2013 there were 33,138,757 Common Shares of Beneficial Interest outstanding.

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

INDEX

		Page
Part I.	Financial Information
Item 1.	Financial Statements (Unaudited):
	Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012		3
	Consolidated Statements of Operations and Comprehensive Income for the Three months Ended March 31, 2013 and March 31, 2012		4
	Consolidated Statements of Equity for the Three Months Ended March 31, 2013 and March 31, 2012		5
	Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2013 and March 31, 2012		6
	Notes to Consolidated Financial Statements		8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		32
Item 3.	Quantitative and Qualitative Disclosure about Market Risk		45
Item 4.	Controls and Procedures		47
Part II.	Other Information
Item 6.	Exhibits		48
Signatures			49
Exhibit Index			50

2

Part 1. Financial Information

Item 1. Financial Statements

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

CONSOLIDATED BALANCE SHEETS

(unaudited, in thousands, except share and per share data)

	March 31,			December 31,
	2013			2012
ASSETS
Investments in real estate, at cost
Land	$	60,679		$	43,252
Buildings and improvements		395,799			378,737
		456,478			421,989
Less: accumulated depreciation		(52,412	)		(51,553	)
Investments in real estate, net (variable interest entities $64,539 and $21,423, respectively)		404,066			370,436
Cash and cash equivalents		131,448			97,682
Restricted cash held in escrows (variable interest entities $1,863 and $1,101, respectively)		15,821			13,250
Loans receivable, net		130,212			211,250
Accounts receivable, net of allowances of $458 and $374, respectively		4,902			3,882
Accrued rental income		16,761			17,241
Securities carried at fair value		12,220			19,694
Loan securities carried at fair value		11			11
Preferred equity investments		12,358			12,250
Equity investments		134,224			134,859
Lease intangibles, net (variable interest entities $20,933 and $3,485, respectively)		52,299			37,744
Deferred financing costs, net		4,755			4,864
TOTAL ASSETS	$	919,077		$	923,163
LIABILITIES
Mortgage loans payable (variable interest entities $23,174 and $23,184, respectively)		278,824			280,576
Senior notes payable		86,250			86,250
Secured financings		42,803			52,920
Notes payable (variable interest entites $860 and $876, respectively)		1,660			1,676
Accounts payable and accrued liabilities (variable interest entities $4,588 and $1,347, respectively)		20,010			21,056
Related party fees payable		2,540			2,664
Dividends payable		8,154			5,366
Deferred income		1,472			1,136
Below market lease intangibles, net (variable interest entities $645 and $51, respectively)		2,686			2,255
TOTAL LIABILITIES		444,399			453,899
COMMITMENTS AND CONTINGENCIES
EQUITY
Winthrop Realty Trust Shareholders’ Equity:
Series D Cumulative Redeemable Preferred Shares, $25 per share liquidation preference, 5,060,000 shares authorized and 4,820,000 shares outstanding at March 31, 2013 and December 31, 2012		120,500			120,500
Common Shares, $1 par, unlimited shares authorized; 33,128,853 and 33,018,711 issued and outstanding at March 31, 2013 and December 31, 2012, respectively		33,029			33,019
Additional paid-in capital		618,626			618,426
Accumulated distributions in excess of net income		(311,793	)		(317,385	)
Accumulated other comprehensive loss		(51	)		(50	)
Total Winthrop Realty Trust Shareholders’ Equity		460,311			454,510
Non-controlling interests		14,367			14,754
Total Equity		474,678			469,264
TOTAL LIABILITIES AND EQUITY	$	919,077		$	923,163

See Notes to Consolidated Financial Statements.

3

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME

(unaudited, in thousands, except per share data)

	Three Months Ended
	March 31,
	2013			2012
Revenue
Rents and reimbursements	$	15,179		$	11,793
Interest, dividends and discount accretion		5,320			5,518
		20,499			17,311
Expenses
Property operating		4,930			4,331
Real estate taxes		946			1,192
Depreciation and amortization		5,174			3,537
Interest		6,032			3,724
General and administrative		847			883
Related party fees		2,266			2,027
Transaction costs		6			121
State and local taxes		17			6
		20,218			15,821
Other income (loss)
Equity in income of equity investments		7,869			424
Earnings from preferred equity investments		202			—
Realized gain (loss) on sale of securities carried at fair value		(102	)		26
Unrealized gain on securities carried at fair value		1,718			4,932
Unrealized gain on loan securities carried at fair value		—			164
Interest income		70			101
		9,757			5,647
Income from continuing operations		10,038			7,137
Discontinued operations
Income from discontinued operations		2,913			215
Consolidated net income		12,951			7,352
Net loss attributable to non-controlling interest		795			901
Net income attributable to Winthrop Realty Trust		13,746			8,253
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Net income attributable to Common Shares	$	10,957		$	7,328
Per Common Share data - Basic
Income from continuing operations	$	0.24		$	0.22
Income from discontinued operations		0.09			—
Net income attributable to Winthrop Realty Trust	$	0.33		$	0.22
Per Common Share data - Diluted
Income from continuing operations	$	0.24		$	0.22
Income from discontinued operations		0.09			—
Net income attributable to Winthrop Realty Trust	$	0.33		$	0.22
Basic Weighted-Average Common Shares		33,027			33,052
Diluted Weighted-Average Common Shares		33,080			33,052
Comprehensive income
Consolidated net income	$	12,951		$	7,352
Change in unrealized loss on interest rate derivative		(1	)		(32	)
Consolidated comprehensive income		12,950			7,320
Net loss attributable to non-controlling interest		795			901
Other comprehensive income attributable to non-controlling interest		—			—
Comprehensive loss attributable to non-controlling interest		795			901
Comprehensive income attributable to Winthrop Realty Trust	$	13,745		$	8,221

See Notes to Consolidated Financial Statements.

4

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

CONSOLIDATED STATEMENTS OF EQUITY

(unaudited, in thousands)

												Accumulated			Accumulated
	Preferred Shares of Beneficial Interest				Common Shares of Beneficial Interest				Additional			Distributions			Other			Non-
									Paid-In			in Excess of			Comprehensive			Controlling
	Shares		Amount		Shares		Amount		Capital			Net Income			Income			Interests			Total
Balance, December 31, 2012		4,820	$	120,500		33,019	$	33,019	$	618,426		$	(317,385	)	$	(50	)	$	14,754		$	469,264
Net income attributable to Winthrop Realty Trust		—		—		—		—		—			13,746			—						13,746
Net loss attributable to non-controlling interests		—		—		—		—		—			—			—			(795	)		(795	)
Distributions to non-controlling interests		—		—		—		—		—			—			—			—			—
Contributions from non-controlling interests		—		—		—		—		—			—			—			535			535
Purchase of non-controlling interests		—		—		—		—		52			—			—			(127	)		(75	)
Dividends paid or accrued on Common Shares of Beneficial Interest ($0.1625 per share)		—		—		—		—		—			(5,367	)		—			—			(5,367	)
Dividends paid or accrued on Series D Preferred Shares ($0.57813 per share)		—		—		—		—		—			(2,787	)		—			—			(2,787	)
Change in unrealized loss on interest rate derivatives		—		—		—		—		—			—			(1	)		—			(1	)
Stock issued pursuant to dividend reinvestment plan		—		—		10		10		105			—			—			—			115
Issuance of restricted shares		—		—		100		—		43			—			—			—			43
Balance, March 31, 2013		4,820	$	120,500		33,129	$	33,029	$	618,626		$	(311,793	)	$	(51	)	$	14,367		$	474,678
												Accumulated			Accumulated
	Preferred Shares of Beneficial Interest				Common Shares of Beneficial Interest				Additional			Distributions			Other			Non-
									Paid-In			in Excess of			Comprehensive			Controlling
	Shares		Amount		Shares		Amount		Capital			Net Income			Income			Interests			Total
Balance, December 31, 2011		1,600	$	40,000		33,041	$	33,041	$	626,099		$	(311,246	)	$	(92	)	$	21,034		$	408,836
Net income attributable to Winthrop Realty Trust		—		—		—		—		—			8,253			—			—			8,253
Net loss attributable to non-controlling interests		—		—		—		—		—			—			—			(901	)		(901	)
Distributions to non-controlling interests		—		—		—		—		—			—			—			(101	)		(101	)
Contributions from non-controlling interests		—		—		—		—		—			—			—			218			218
Purchase of non-controlling interests		—		—		—		—		(208	)		—			—			(192	)		(400	)
Dividends paid or accrued on Common Shares of Beneficial Interest ($0.1625 per share)		—		—		—		—		—			(5,371	)		—			—			(5,371	)
Dividends paid or accrued on Series D Preferred Shares ($0.57813 per share)		—		—		—		—		—			(925	)		—			—			(925	)
Net proceeds from Series D Preferred Share offering		3,220		80,500		—		—		(2,728	)		—			—			—			77,772
Change in unrealized loss on interest rate derivatives		—		—		—		—		—			—			(32	)		—			(32	)
Stock issued pursuant to dividend reinvestment plan		—		—		12		12		121			—			—			—			133
Balance, March 31, 2012		4,820	$	120,500		33,053	$	33,053	$	623,284		$	(309,289	)	$	(124	)	$	20,058		$	487,482

See Notes to Consolidated Financial Statements.

5

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands, continued)

	Three Months Ended March 31,
	2013			2012
Cash flows from operating activities
Net income	$	12,951		$	7,352
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)		3,403			2,616
Amortization of lease intangibles		2,054			1,178
Straight-line rental income		(177	)		(1,446	)
Loan discount accretion		(716	)		(2,833	)
Income from preferred equity investments		(202	)		—
Distributions of income from preferred equity investments		94			97
Income of equity investments		(7,869	)		(424	)
Distributions of income from equity investments		7,822			2,764
Restricted cash held in escrows		1,509			(204	)
Loss (gain) on sale of securities carried at fair value		102			(26	)
Unrealized gain on securities carried at fair value		(1,718	)		(4,932	)
Unrealized gain on loan securities carried at fair value		—			(164	)
Tenant leasing costs		(156	)		(671	)
Gain on sale of real estate investments		(2,775	)		—
Equity compensation expenses		43			—
Bad debt (recovery) expense		84			(127	)
Net change in interest receivable		184			(7	)
Net change in accounts receivable		(903	)		(452	)
Net change in accounts payable and accrued liabilities		(4,546	)		(348	)
Net cash provided by operating activities		9,184			2,373
Cash flows from investing activities
Investments in real estate		(396	)		(2,469	)
Investment in equity investments		(13	)		(23,835	)
Proceeds from sale of investments in real estate		11,425			—
Proceeds from sale of equity investments		26			250
Return of capital distribution from equity investments		669			38,100
Purchase of securities carried at fair value		—			(4,188	)
Proceeds from sale of securities carried at fair value		9,090			4,302
Restricted cash held in escrows		716			(4,421	)
Issuance and acquisition of loans receivable		(21,437	)		(2,521	)
Collection of loans receivable		24,287			357
Proceeds from sale of loans receivable		19,318			—
Cash from consolidation of properties		473			—
Net cash provided by investing activities		44,158			5,575

(Continued on next page)

See Notes to Consolidated Financial Statements.

6

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands, continued)

	Three Months Ended March 31,
	2013			2012
Cash flows from financing activities
Proceeds from mortgage loans payable		—			743
Principal payments of mortgage loans payable		(1,643	)		(1,426	)
Payment of secured financing		(10,117	)		—
Proceeds from issuance of Series D Preferred Shares		—			77,772
Payment of revolving line of credit		—			(40,000	)
Restricted cash held in escrows		(2,797	)		(10	)
Deferred financing costs		(228	)		(9	)
Contribution from non-controlling interest		535			218
Distribution to non-controlling interest		—			(101	)
Purchase of non-controlling interests		(75	)		(400	)
Issuance of Common Shares under Dividend Reinvestment Plan		115			133
Dividend paid on Common Shares		(5,366	)		(5,369	)
Dividend paid on Series D Preferred Shares		—			(925	)
Net cash (used in) provided by financing activities		(19,576	)		30,626
Net increase in cash and cash equivalents		33,766			38,574
Cash and cash equivalents at beginning of period		97,682			40,952
Cash and cash equivalents at end of period	$	131,448		$	79,526
Supplemental Disclosure of Cash Flow Information
Interest paid	$	5,897		$	3,721
Taxes paid	$	68		$	161
Supplemental Disclosure on Non-Cash Investing and Financing Activities
Dividends accrued on Common Shares	$	5,367		$	5,371
Dividends accrued on Series D Preferred Shares	$	2,787		$	—
Capital expenditures accrued	$	4,117		$	1,583
Transfer from loans receivable	$	—		$	(2,938	)
Transfer from preferred equity	$	—		$	(3,923	)
Transfer to equity investment	$	—		$	6,861
Fair value of Assets Acquired	$	62,208		$	—
Fair value of Liabilities Assumed	$	62,198		$	—

See Notes to Consolidated Financial Statements.

7

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

1. Organization

Winthrop Realty Trust (“Winthrop”), a real estate investment trust (“REIT”) under Sections 856-860 of the Internal Revenue Code is an unincorporated association in the form of a business trust organized in Ohio under a Declaration of Trust dated August 1, 1961, as amended and restated on May 21, 2009, which has as its stated principal business activity the ownership and management of, and lending to, real estate and related investments.

Winthrop conducts its business through WRT Realty L.P., a Delaware limited partnership (the “Operating Partnership”). Winthrop is the sole general partner of, and owns directly and indirectly, 100% of the limited partnership interest in the Operating Partnership. All references to the “Trust” refer to Winthrop and its consolidated subsidiaries, including the Operating Partnership.

The Trust is engaged in the business of owning real property and real estate related assets which it categorizes into three segments: (i) ownership of investment properties including wholly owned properties and investments in joint ventures which own properties (“operating properties”); (ii) origination and acquisition of loans and debt securities collateralized directly or indirectly by commercial and multi-family real property, including collateral mortgage-backed securities and collateral debt obligation securities (collectively “loan assets”); and (iii) equity and debt interests in other real estate investment trusts (“REIT securities”).

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial statements and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements, although management believes that the disclosures presented herein are adequate to make the accompanying unaudited consolidated interim financial statements not misleading. The accompanying unaudited consolidated interim financial statements should be read in conjunction with the audited consolidated annual financial statements and the notes thereto included in Winthrop’s Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC. In the opinion of management, all adjustments considered necessary for fair statements have been included, and all such adjustments are of a normal recurring nature. The results of operations for the three months ended March 31, 2013 are not necessarily indicative of the operating results for the full year.

The accompanying unaudited consolidated financial statements represent the consolidated results of Winthrop, its wholly-owned taxable REIT subsidiary, WRT-TRS Management Corp., the Operating Partnership and all majority-owned subsidiaries and affiliates over which the Trust has financial and operating control and variable interest entities (“VIE”s) in which the Trust has determined it is the primary beneficiary. All significant intercompany balances and transactions have been eliminated in consolidation. The Trust accounts for all other unconsolidated joint ventures using the equity method of accounting. Accordingly, the Trust’s share of the earnings of these joint ventures and companies is included in consolidated net income.

Reclassifications

Certain prior year balances of accounts receivable have been reclassified to accrued rental income in order to conform to the current year presentation. Discontinued operations for all periods presented in the Consolidated Statements of Operations include the operations of the Trust’s office property in Andover, Massachusetts which was disposed of in March 2013 and the Trust’s retail property in Memphis, Tennessee and its office property in Indianapolis, Indiana, both of which were disposed of in September 2012.

Earnings Per Share

The Trust determines basic earnings per share on the weighted average number of Common Shares outstanding during the period and reflects the impact of participating securities. The Trust computes diluted earnings per share based on the weighted average number of Common Shares outstanding combined with the incremental weighted average effect from all outstanding potentially dilutive instruments.

8

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The Trust has calculated earnings per share in accordance with relevant accounting guidance for participating securities and the two class method. The reconciliation of earnings attributable to Common Shares outstanding for the basic and diluted earnings per share calculation is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2013			2012
Basic
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Basic	$	0.33		$	0.22
Diluted
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Stock options (1)		2			—
Restricted shares (2)		51			—
Diluted weighted-average Common Shares		33,080			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Diluted	$	0.33		$	0.22

(1) The Trust’s outstanding stock options were dilutive for the three months ended March 31, 2013 and 2012. The weighted-average stock options for the three months ended March 31, 2012 was less than one thousand shares.

(2) The Trust’s restricted stock was dilutive for the three months ended March 31, 2013.

For the quarter ended March 31, 2013 the Trust paid a regular quarterly dividend of $0.1625 per Common Share and a regular quarterly dividend of $0.578125 per Series D Preferred Share.

Recently Issued Accounting Standards

On February 5, 2013, FASB issued ASU No. 2013-02: Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income, to improve the transparency of reporting the reclassifications of significant amounts out of accumulated other comprehensive income. This guidance requires entities to present the effects on the line items of net income of significant reclasses from accumulated other comprehensive income, either where net income is presented or in the notes, as well as cross-reference to other disclosures currently required under U.S. GAAP for other reclassification items (that are not required under U.S. GAAP) to be reclassified directly to net income in their entirety in the same reporting period. The new disclosure requirements will be effective for annual reporting periods beginning on or after January 1, 2013. The new disclosures will be required for both interim and annual reporting. The Trust has evaluated this new guidance and its adoption did not have a material impact on its consolidated financial statements.

9

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

On December 16, 2011, FASB issued ASU No. 2011-11: Balance Sheet (Topic 210)—Disclosures about Offsetting Assets and Liabilities, clarified by ASU No. 2013-1, which requires entities to disclose both gross information and net information about both instruments and transactions eligible for offset in the financial statements particularly for transactions related to derivatives, sale and repurchase agreements and reverse sale and repurchase agreements, and securities borrowing and securities lending arrangements. The new disclosure requirements will be effective for annual reporting periods beginning on or after January 1, 2013. The new disclosures will be required for all prior comparative periods presented. The Trust has evaluated this new guidance and its adoption did not have a material impact on its consolidated financial statements.

3. Fair Value Measurements

REIT securities, loan securities and derivative financial instruments are reported at fair value. The accounting standards establish a framework for measuring fair value as well as disclosures about fair value measurements. They emphasize that fair value is a market based measurement, not an entity-specific measurement. Therefore a fair value measurement should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, the standards establish a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).

The Trust’s Level 3 loan securities carried at fair value primarily consist of non-agency mortgage-related securities. The non-agency mortgage-related securities market continued to be illiquid during the first quarter of 2013, with low transaction volumes, wide credit spreads, and limited transparency. The Trust values the loan securities carried at fair value it holds based primarily on prices received from a pricing service. The techniques used by the pricing service to develop the prices generally are either: (a) a comparison to transactions involving instruments with similar collateral and risk profiles; or (b) industry standard modeling, such as a discounted cash flow model. The significant inputs and assumptions used to determine the fair value of the Trust’s loan securities include prepayment rates, probability of default, loss severity and yield to maturity percentages.

Recurring Measurements

The table below presents the Trust’s assets measured at fair value on a recurring basis as of March 31, 2013 according to the level in the fair value hierarchy within which those measurements fall (in thousands):

Recurring Basis	Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Securities carried at fair value	$	12,220	$	—	$	—	$	12,220
Loan securities carried at fair value		—		—		11		11
Interest rate caps		—		7		—		7
	$	12,220	$	7	$	11	$	12,238

10

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The table below presents the Trust’s assets measured at fair value on a recurring basis as of December 31, 2012, according to the level in the fair value hierarchy within which those measurements fall (in thousands):

Recurring Basis	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Securities carried at fair value	$	19,694	$	—	$	—	$	19,694
Loan securities carried at fair value		—		—		11		11
Interest rate caps		—		8		—		8
	$	19,694	$	8	$	11	$	19,713

During the three months ended March 31, 2013 and March 31, 2012 there were no transfers between Level 1 and Level 2 fair value assets and liabilities.

The tables below include a roll forward of the balance sheet amounts from January 1, 2013 to March 31, 2013 and from January 1, 2012 to March 31, 2012, including the change in fair value, for financial instruments classified by the Trust within Level 3 of the valuation hierarchy (in thousands). When a determination is made to classify a financial instrument within Level 3 of the valuation hierarchy, the determination is based upon the significance of the unobservable factors to the overall fair value measurement.

Loan Securities Carried at Fair Value	Three Months Ended March 31, 2013		Three Months Ended March 31, 2012
Fair value, January 1	$	11	$	5,309
Net unrealized gain		—		164
Sales		—		—
Payoff at par		—		—
Fair value, March 31	$	11	$	5,473
The amount of total gains or losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	$	—	$	164

Quantitative Information about Level 3 Fair Value Measurements

At March 31, 2013 the Trust held only one loan security which is valued at $11,000, or 1% of face value. The valuation reflects assumptions that would be considered by market participants along with management’s assessment of collectible future cash flows.

Non-Recurring Measurements

Non-recurring measurements of fair value of assets or liabilities would typically include investments in real estate and equity investments. The Trust did not recognize any valuation adjustments as a result of non-recurring measurements for the three months ended March 31, 2013 or March 31, 2012.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

Financial Instruments Not Reported at Fair Value

The carrying value and estimated fair value of financial instruments not recorded at fair value on a recurring basis but required to be disclosed at fair value were as follows (in thousands):

	March 31, 2013
	Carrying Amount				Fair value hierarchy level
			Fair Value		Level 1		Level 2		Level 3
Loans receivable	$	130,212	$	143,247		—		—		143,247
Mortgage loans payable		278,824		269,423		—		—		269,423
Senior notes payable		86,250		89,700		89,700		—		—
Secured financings		42,803		43,098		—		—		43,098
Notes payable		1,660		1,660		—		—		1,660
	December 31, 2012
	Carrying Amount				Fair value hierarchy level
			Fair Value		Level 1		Level 2		Level 3
Loans receivable	$	211,250	$	222,246		—		—		222,246
Mortgage loans payable		280,576		270,923		—		—		270,923
Senior notes payable		86,250		89,183		89,183		—		—
Secured financings		52,920		53,253		—		—		53,253
Notes payable		1,676		1,676		—		—		1,676

Loans Receivable and Mortgage Loans Payable

Fair values of loans receivable and mortgage loans payable are primarily determined by discounting the expected cash flows at current interest rates plus an applicable risk spread, which reflects credit quality and maturity of the loans. The risk spread is based on loans with comparable credit quality, maturities and risk profile. Loans receivable may also be based on the fair value of the underlying real estate collateral less cost to sell, which is estimated using appraised values. These are classified as Level 3.

Fair Value Option

The current accounting guidance for fair value measurement provides a fair value option election that allows companies to irrevocably elect fair value as the measurement attribute for certain financial assets and liabilities. Changes in fair value for assets and liabilities for which the election is made are recognized in earnings on a quarterly basis based on the then market price regardless of whether such assets or liabilities have been disposed of at such time. The fair value option guidance permits the fair value option election to be made on an instrument by instrument basis when it is initially recorded or upon an event that gives rise to a new basis of accounting for that asset or liability. The Trust elected the fair value option for all loan securities and REIT securities acquired.

For these securities, during the three months ended March 31, 2013 and 2012, the Trust recognized net unrealized gains of $1,718,000 and $5,096,000, respectively. The change in fair value of the REIT securities and loan securities for which the fair value option was elected is recorded as an unrealized gain or loss in the Trust’s Consolidated Statements of Operations. Income related to securities carried at fair value is recorded as interest and dividend income.

12

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The following table presents as of March 31, 2013 and December 31, 2012 the Trust’s financial assets for which the fair value option was elected (in thousands):

Financial Instruments at Fair Value	March 31, 2013		December 31, 2012
Assets
Securities carried at fair value:
REIT common shares	$	12,220	$	19,694
Loan securities carried at fair value		11		11
	$	12,231	$	19,705

The table below presents as of March 31, 2013 the difference between fair values and the aggregate contractual amounts due for which the fair value option has been elected (in thousands):

	Fair Value at March 31, 2013		Amount Due Upon Maturity		Difference
Assets
Loan securities carried at fair value	$	11	$	1,130	$	1,119
	$	11	$	1,130	$	1,119

4. Acquisitions, Dispositions, Leasing and Financing Activities

Operating Property Activity:

1515 Market Street – loan modification and equity acquisition - On February 1, 2013 the Trust entered into a loan modification agreement which extended the maturity date to February 1, 2016, increased the loan balance to $71,629,000 (from $70,000,000) and changed the interest rate to be the greater of 7.5% or LIBOR plus 6.5%. The loan balance can be increased through future funding advances up to an aggregate of $6,000,000 to cover tenant improvements, capital expenditures and leasing commissions. For each $500,000 of future advances, the interest rate increases by 0.10%. The loan modification also provides the lender with a 40% participation interest in the case of a capital event.

Simultaneously with the modification of the loan, the Trust acquired, for $10,000, an indirect 49% equity interest in the property. As part of the transaction, the Trust acquired the general partner interest in the property. Management has determined that this entity is a variable interest entity (“VIE”) and that the Trust is the primary beneficiary of the VIE (see Note 17). As a result, the Trust has consolidated this property as of February 1, 2013. All intercompany transactions have been eliminated in consolidation. For segment reporting purposes, this investment will be classified within the operating properties segment as of February 1, 2013. Prior to consolidation, this investment was part of the loan assets segment.

13

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The fair value of the assets and liabilities of the consolidated property was calculated by an independent third party valuation firm and reviewed by management. The following table summarizes the provisional allocation of the aggregate purchase price of 1515 Market Street as of February 1, 2013 (in thousands):

	1515 Market Street
Land	$	18,627
Building		23,159
Other improvements		73
Tenant improvements		1,407
Lease intangibles		14,943
Above market lease intangibles		2,867
Net working capital acquired		1,132
Below market lease intangibles		(620	)
Other liabilities		(1,299	)
Long Term liabilities assumed		(60,279	)(1)
Net assets acquired	$	10

(1) Long Term liabilities assumed as part of this transaction remain legally outstanding but are eliminated in consolidation with the Trust’s loan asset purchased on December 12, 2012.

Intangible assets acquired and intangible liabilities assumed for 1515 Market Street consisted of the following (in thousands):

				Weighted Average
	Carrying			Amortization
	Value			Period (years)
Intangible assets:
In place lease intangibles	$	6,542			6.2
Above market lease intangibles		2,867			5.8
Tenant relationship value		7,388			13.3
Lease commissions, legal and marketing fees		1,013			5.4
Total	$	17,810			9.0
Intangible liabilities:
Below market lease intangibles	$	(620	)		4.2

1515 Market Street contributed approximately $1,861,000 of revenue and net income of approximately $496,000 to the Trust for the period from February 1, 2013 through March 31, 2013.

The accompanying unaudited pro forma information for the quarters ended March 31, 2013 and 2012 is presented as if the consolidation of 1515 Market Street on February 1, 2013 had occurred on January 1, 2012. This unaudited pro forma information is based upon the historical consolidated financial statements and should be read in conjunction with the consolidated financial statements and notes thereto. This unaudited pro forma information does not purport to represent what the actual results of operations of the Trust would have been had the above occurred, nor do they purport to predict the results of operations of future periods.

Pro forma (unaudited) (In thousands, except for per share data)	For the Three Months Ended March 31,
	2013		2012
Total revenue	$	21,430	$	20,104
Consolidated net income		12,919		7,815
Net income attributable to Winthrop Realty Trust		13,987		8,691
Per common share data - basic		0.34		0.23
Per common share data - diluted		0.34		0.23

14

WRT-Elad Lender/Equity (Sullivan) – loan modification and equity participation - On February 18, 2013 a forbearance agreement was entered into whereby WRT-Elad Lender agreed to forbear from exercising its rights under the loan documents with respect to the borrower’s failure to pay debt service for the period from December 2012 through October 2013. To the extent such debt service is not paid, debt service will accrue and be added to the outstanding principal balance of the mezzanine loan on each applicable monthly payment date. In exchange for the forbearance, WRT-Elad’s indirect future interest in the property increased by 5%, with a corresponding decrease in the borrower’s general partner’s interest. In consideration for the forbearance, the borrower is required to pay a $1,400,000 fee to WRT-Elad Lender on or prior to November 9, 2013. If the $1,400,000 is not paid, in lieu of the payment, then WRT-Elad’s indirect future interest in the property will increase by an additional 6% with a corresponding decrease to the general partner’s interest.

Andover, Massachusetts – property sale - On March 28, 2013 the Trust sold its Andover, Massachusetts office property to an independent third party for gross sale proceeds of $12,000,000. After costs and pro-rations, the Trust received net proceeds of approximately $11,425,000 and recorded a gain of $2,775,000 on the sale of the property. The results of operations for this property have been classified as discontinued operations for all periods presented in the consolidated financial statements.

Loan Asset Activity:

Playa Vista – loan origination - On January 24, 2013 the Trust originated a $20,500,000 mezzanine loan collateralized by a 260,000 square foot office campus in the Los Angeles, California area. The loan is subordinate to an $80,300,000 mortgage loan, matures January 23, 2015, bears interest at LIBOR plus 14.25% per annum, with a 0.5% LIBOR floor and requires payments of interest only at a rate of 8.25% with the remaining interest being accrued and added to principal. In connection with the origination, the borrower paid to the Trust an origination fee of $205,000. On March 1, 2013 the Trust sold a 50% pari passu participation interest in the loan for $10,250,000 and gave the transferee a credit of $100,000 from the initial loan origination. No gain or loss was recognized on the sale of the interest.

Disney B Note – sale of participation - On January 25, 2013 the Trust sold for $9,000,000 a 100% participation interest in the $10,000,000 B Note collateralized by the office building located in Burbank, California. The selling price was equal to the Trust’s carrying value of the B Note. The Trust retains title to the B Note but the holder of the participation assumes each and every right and obligation of the B Note. The Trust is prohibited from taking any actions with respect to the B Note without written consent from the participation holder. The Trust has recorded this as a sale of the loan and no gain or loss has been recognized on the sale.

RE CDO Management – asset sales - On February 20, 2013 the venture sold its subordinated interests in Sorin CDO III for $2,750,000 and transferred the Sorin CDO III collateral management agreement for $0. On March 8, 2013 the venture sold its C Tranche subordinated interests in Sorin CDO IV for $6,240,000. As a result of the sales, the Trust received distributions of approximately $4,416,000 in the aggregate. The Trust’s share of the gain has been recorded as equity in earnings of this equity investment.

CDH CDO LLC – sale of interest - On February 25, 2013 the Trust sold for $25,000 a 17% interest in the equity of CDH CDO, exclusive of the interest in the entity that holds the collateral management agreement of CDH CDO, to Inland American. As a result of the sale, the Trust now holds a 49.67% interest in CDH CDO. The Trust maintains 100% of CDH CDO’s interest in WRP Management.

127 West 25^th Street – loan payoff - On March 1, 2013 the loan collateralized by the property located at 127 West 25th Street, New York, New York was paid off in full at par. There was no gain or loss recognized on the payoff.

180 N Michigan – loan payoff - On March 28, 2013 the loan collateralized by the property located at 180 North Michigan Avenue, Chicago, Illinois was paid off in full at par. There was no gain or loss recognized on the payoff.

Financing Activity:

Recourse Secured Financings – loan payments - During the quarter ended March 31, 2013, several of the condominium units collateralizing the Queensridge loan receivable were sold resulting in principal payments to the Trust of approximately $10,117,000. The Trust made identical principal payments on its recourse debt with KeyBank. As a result of the payments, the outstanding principal balance on the Queensridge loan and the KeyBank recourse secured financing were reduced to $28,976,000 and $13,653,000, respectively, at March 31, 2013.

15

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

5. Loans Receivable

The following table summarizes the Trust’s loans receivable at March 31, 2013 and December 31, 2012 (in thousands):

			Carrying Amount				Contractual Maturity Date
Description	Loan Position	Stated Interest Rate	March 31, 2013		December 31,  2012
Hotel Wales	Whole Loan	LIBOR + 4.0%(2)	$	20,101	$	20,101		10/05/13
Renaissance Walk	Mezzanine	LIBOR + 12.0%(3)		3,000		3,000		01/01/14
Fenway Shea (1)	Whole Loan	12.0%		2,273		2,273		04/05/14
The Shops at Wailea	B-Note	6.15%		5,573		5,376		10/06/14
Legacy Orchard (1)	Corporate Loan	15.0%		9,750		9,750		10/31/14
Queensridge	Whole Loan	LIBOR + 11.5%(4)		28,976		39,170		11/15/14
San Marbeya	Whole Loan	5.88%		27,323		27,149		01/01/15
Playa Vista	Mezzanine	LIBOR + 14.25%(4)		10,323		—		01/23/15
Churchill (1)	Whole Loan	LIBOR + 3.75%		687		683		06/01/15
Rockwell	Mezzanine	12.0%		342		323		05/01/16
500-512 7th Ave	B-Note	7.19%		10,013		10,009		07/11/16
Pinnacle II	B-Note	6.31%		4,648		4,652		09/06/16
Popiu Shopping Village	B-Note	6.62%		1,972		1,948		01/06/17
Wellington Tower	Mezzanine	6.79%		2,719		2,687		07/11/17
Mentor Building	Whole Loan	10.0%		2,512		2,512		09/10/17
1515 Market	Whole Loan	(5)		—		58,650		(5)
127 West 25th Street	Mezzanine	—		—		8,687		(6)
180 N. Michigan	Mezzanine	—		—		5,237		(6)
The Disney Building	B-Note	—		—		9,043		(7)
			$	130,212	$	211,250

(1) The Trust determined that certain loans receivable are variable interests in VIEs primarily based on the fact that the underlying entities do not have sufficient equity at risk to permit the entity to finance its activities without additional subordinated financial support. The Trust does not have the power to direct the activities of the entity that most significantly impact the entity’s economic performance and is not required to consolidate the underlying entity.

(2) LIBOR floor of 3%.

(3) LIBOR floor of 2%.

(4) LIBOR floor of 0.5%.

(5) This loan was in maturity default at the time of acquisition. The loan was modified on February 1, 2013. See Note 4 – Acquisition, Disposition, Leasing and Financing Activity for details on the modification.

(6) The loans were satisfied during the three months ended March 31, 2013.

(7) The loan was sold during the three months ended March 31, 2013.

The carrying amount of loans receivable includes accrued interest of $832,000 and $1,016,000 at March 31, 2013 and December 31, 2012, respectively, and cumulative accretion of $3,243,000 and $2,527,000 at March 31, 2013 and December 31, 2012, respectively.

At March 31, 2013 and December 31, 2012, the Trust’s loans receivable have unamortized discount totaling $6,622,000 and $9,865,000, respectively.

The weighted average coupon on the Trust’s loans receivable was 7.59% and 7.65% and the weighted average yield to maturity was 11.84% and 11.43% at March 31, 2013 and December 31, 2012, respectively.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The San Marbeya, Hotel Wales and Queensridge loans receivable are part of secured financing transactions, as outlined in GAAP, with recourse and non-recourse financings at March 31, 2013. The Trust had outstanding non-recourse secured financings related to the San Marbeya and Hotel Wales loans receivable in the amount of $29,150,000 at March 31, 2013 and December 31, 2012. The Trust had recourse secured financings related to the Queensridge loan receivable in the amount of $13,653,000 and $23,770,000 at March 31, 2013 and December 31, 2012, respectively. No other loans receivable are part of secured financing transactions at March 31, 2013. Please see Note 8 for additional disclosures regarding the Trust’s secured financings.

Loan Receivable Activity

Activity related to loans receivable is as follows (in thousands):

	Three Months Ended March 31, 2013
Balance at beginning of period	$	211,250
Purchase and advances		22,382
Interest (received) accrued, net		161
Repayments		(43,606	)
Elimination of 1515 Market		(60,691	)
Loan discount accretion		716
Discount accretion received in cash		—
Balance at end of period	$	130,212

The following table summarizes the Trust’s interest, dividend and discount accretion income for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended  March 31, 2013
	2013		2012
Interest on loan assets	$	4,454	$	2,399
Accretion of loan discount		716		2,833
Interest and dividends on REIT securities		150		286
Total interest, dividends, and discount accretion	$	5,320	$	5,518

Credit Quality of Loans Receivable and Loan Losses

The Trust evaluates impairment on its loan portfolio on an individual basis and has developed a loan grading system for all of its outstanding loans that are collateralized directly or indirectly by real estate. Grading categories include debt yield, debt service coverage ratio, length of loan, property type, loan type, and other more subjective variables that include property or collateral location, market conditions, industry conditions, and sponsor’s financial stability. Management reviews each category and assigns an overall numeric grade for each loan to determine the loan’s risk of loss and to provide a determination as to whether an individual loan is impaired and whether a specific loan loss allowance is necessary. A loan’s grade of credit quality is determined quarterly.

All loans with a positive score do not require a loan loss allowance. Any loan graded with a neutral score or “zero” is subject to further review of the collectability of the interest and principal based on current conditions and qualitative factors to determine if impairment is warranted. Any loan with a negative score is deemed impaired and management then would measure the specific impairment of each loan separately using the fair value of the collateral less costs to sell.

17

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

Management estimates the loan loss allowance by calculating the estimated fair value less costs to sell of the underlying collateral securing the loan based on the fair value of underlying collateral and comparing the fair value to the loan’s net carrying value. If the fair value is less than the net carrying value of the loan, an allowance is created with a corresponding charge to the provision for loan losses. The allowance for each loan will be maintained at a level the Trust believes will be adequate to absorb losses.

The table below summarizes the Trust’s loans receivable by internal credit rating at March 31, 2013 and December 31, 2012 (in thousands, except for number of loans):

	March 31, 2013				December 31, 2012
Internal Credit Quality	Number of Loans		Carrying Value of Loans Receivable		Number of Loans		Carrying Value of Loans Receivable
Greater than zero		14	$	119,889		18	$	211,250
Equal to zero		1		10,323		—		—
Less than zero		—		—		—		—
		15	$	130,212		18	$	211,250

Non-Performing Loans

The Trust considers a loan to be non-performing and places loans on non-accrual status at such time as management determines it is probable that it will be unable to collect all amounts due according to the contractual terms of the loan. While on non-accrual status, based on the Trust’s judgment as to collectability of principal, loans are either accounted for on a cash basis, where interest income is recognized only upon actual receipt of cash, or on a cost-recovery basis, where all cash receipts reduce a loan’s carrying value. If and when a loan is brought back into compliance with its contractual terms, the Trust will resume accrual of interest. As of March 31, 2013 and December 31, 2012, there were no non-performing loans and no past due payments. The Trust did not record any provision for loan loss for the three months ended March 31, 2013.

6. Securities Carried at Fair Value

Securities carried at fair value are summarized in the table below (in thousands):

	March 31, 2013				December 31, 2012
	Cost		Fair Value		Cost		Fair Value
REIT Common shares	$	8,920	$	12,220	$	15,876	$	19,694
Loan securities		161		11		161		11
	$	9,081	$	12,231	$	16,037	$	19,705

During the three months ended March 31, 2013, securities carried at fair value were sold for total proceeds of approximately $9,090,000. The Trust recorded a loss on these sales of approximately $102,000 in the three months ended March 31, 2013.

During the three months ended March 31, 2012, securities carried at fair value were sold for total proceeds of approximately $4,302,000. The Trust recorded a gain on these sales of approximately $26,000 in the three months ended March 31, 2012.

For purpose of determining gains or losses, the cost of securities is based on specific identification. For the three months ended March 31, 2013 and 2012, the Trust recognized net unrealized gains on securities carried at fair value and loan securities carried at fair value of $1,718,000, and $5,096,000 respectively, as the result of the change in fair value of the financial assets for which the fair value option was elected.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

7. Equity Investments

The Trust’s carrying amounts in its equity investments consist of the following at March 31, 2013 and December 31, 2012 (in thousands):

Venture Partner	Equity Investment	Nominal % Ownership at March 31, 2013			March 31, 2013		December 31, 2012
VHH LLC (1)	Vintage Housing LLC		75.0	%	$	31,801	$	30,534
Elad Canada Ltd	WRT-Elad One South State Equity LP		50.0	%		—		460
Elad Canada Ltd	WRT-Elad One South State Lender LP		50.0	%		23,447		24,644
Mack-Cali	WRT-Stamford LLC		20.0	%		8,636		8,501
Atrium/Northstar	10 Metrotech Loan LLC		33.3	%		10,845		10,845
Atrium Holding	RE CDO Management LLC		50.0	%		1,098		1,779
Freed	Mentor Retail LLC		49.9	%		568		551
Inland	Concord Debt Holdings LLC		33.3	%		—		—
Inland	CDH CDO LLC		24.8	%		—		—
Inland (2)	Concord Debt Holdings LLC		33.3	%		3,953		3,974
Inland (2)	CDH CDO LLC		24.8	%		652		322
Sealy (1)	Northwest Atlanta Partners LP		60.0	%		7,958		8,104
Sealy (1)	Newmarket GP LLC		68.0	%		—		—
Sealy (1)	Airpark Nashville GP		50.0	%		—		—
Marc Realty (1)	Brooks Building LLC		50.0	%		8,021		7,983
Marc Realty (1)	High Point Plaza LLC		50.0	%		2,180		2,241
Marc Realty (1)	1701 Woodfield LLC		50.0	%		1,964		1,977
Marc Realty (1)	Enterprise Center LLC		50.0	%		2,497		2,679
ROIC	WRT-ROIC Lakeside Eagle LLC		50.0	%		—		—
New Valley/Starwood	Socal Office Portfolio Loan LLC		73.0	%		8		8
New Valley/Witkoff	701 7th WRT Investors LLC		60.9	%		29,038		28,735
Fenway	WRT-Fenway Wateridge LLC		50.0	%		1,558		1,522
					$	134,224	$	134,859

(1) The Trust has determined that these equity investments are investments in VIEs. The Trust has determined that it is not the primary beneficiary of these VIEs since the Trust does not have the power to direct the activities that most significantly impact the economic performance of the VIEs.

(2) Represents the interests acquired from Lexington Realty Trust on May 1, 2012.

19

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The following table reflects the activity of the Trust’s equity investments for the period ended March 31, 2013 (in thousands):

Investment	Balance at December 31, 2012		Contributions		Equity Income (loss)			Distributions			Sales Price			Balance at March 31, 2013
Vintage Housing LLC (2)	$	30,534	$	—	$	1,921		$	(654	)	$	—			31,801
WRT-Elad One South State Equity LP (2)		460		—		(460	)		—			—			—
WRT-Elad One South State Lender LP (2)		24,644		—		903			(2,100	)		—			23,447
WRT-Stamford LLC		8,501		—		221			(86	)		—			8,636
10 Metrotech LLC		10,845		—		304			(304	)		—			10,845
RE CDO Management LLC		1,779		—		3,770			(4,451	)		—			1,098
Mentor Retail LLC		551		—		17			—			—			568
Concord Debt Holdings LLC		—		—		35			(35	)		—			—
CDH CDO LLC		—		—		150			(137	)		(13	)		—
701 7th WRT Investors LLC (3)		28,735		—		697			(394	)		—			29,038
WRT-Fenway Wateridge LLC (2)		1,522		—		36			—			—			1,558
CDH CDO LLC (1)		322		—		480			(137	)		(13	)		652
Sealy		8,104		—		(146	)		—			—			7,958
Marc Realty		14,880		—		(60	)		(158	)					14,662
WRT-ROIC Lakeside Eagle LLC		—		13		(13	)		—			—			—
SoCal Office Portfolio Loan LLC		8		—		—			—			—			8
Concord Debt Holdings LLC (1)		3,974		—		14			(35	)		—			3,953
Total	$	134,859	$	13	$	7,869		$	(8,491	)	$	(26	)	$	134,224

(1) Represents the interests acquired from Lexington Realty Trust on May 1, 2012.

(2) The Trust has elected to report its share of earnings from the investment on a one month lag period.

(3) The Trust has elected to report its share of earnings from the investment on a three month lag period.

The Trust has determined that the fair value of certain of its investments in the Marc Realty and Sealy ventures each marginally exceed their carrying values. While these ventures continue to aggressively market available space for lease and work with existing tenants for lease renewal, declines in occupancy could cause impairment of certain of these ventures that could be material.

WRT-Elad - The Trust holds its mezzanine loan interest in Sullivan Center through WRT-Elad Lender LP (“Lender LP”) and its profits participation interest through WRT-Elad Equity LP (“Equity LP”). On February 18, 2013, a forbearance agreement was entered into whereby Lender LP agreed to forbear from exercising its rights under the loan documents with respect to the borrower’s failure to pay debt service for the period from December 2012 through October 2013. To the extent such debt service is not paid, debt service will accrue and be added to the outstanding principal balance of the mezzanine loan on each applicable monthly payment date. In exchange for the forbearance, Equity LP’s indirect future interest in the property increased by 5%, with a corresponding decrease in the borrower’s general partner’s interest. In consideration for the forbearance the borrower is required to pay a $1,400,000 fee to Lender LP on or prior to November 9, 2013. If the $1,400,000 is not paid, in lieu of payment, then Equity LP’s indirect future interest in the property will increase by an additional 6% with a corresponding decrease to the general partner’s interest.

Concord - On February 25, 2013, the Trust sold for $25,000 a 17% interest in the equity of CDH CDO LLC, exclusive of the interest in the entity that holds the collateral management agreement of CDH CDO, to Inland American. The sale of the interest was bifurcated between the Trust’s original interest and the interest acquired from Lexington Realty Trust with $12,500 of the sales price being allocated to each interest. The Trust recognized a gain of $12,500 on the sale of its original interest and a loss of $123,000 on the sale of its other interest. The sale of the interest did not affect the voting rights within CDH CDO LLC and did not result in a change in control. The Trust will continue to account for its investments in CDH CDO LLC under the equity method.

20

The summarized balance sheets of the Trust’s Vintage Housing venture is as follows (in thousands):

	March 31, 2013		December 31, 2012
ASSETS
Real estate, net	$	343,907	$	340,666
Cash and cash equivalents		6,642		6,555
Receivables and other assets		71,365		68,559
Total Assets	$	421,914	$	415,780
LIABILITIES AND MEMBERS’ CAPITAL
Mortgage and notes payable	$	300,686	$	298,654
Other liabilities		54,572		53,687
Non-controlling interests		17,946		15,997
Members’ Capital		48,710		47,442
Total Liabilities and Members’ Capital	$	421,914	$	415,780
Carrying value of the Trust’s investment in Vintage Housing	$	31,801	$	30,534

The summarized statements of operations of the Trust’s Vintage Housing venture is as follows (in thousands):

	For the Period Ended March 31, 2013			For the Period Ended March 31, 2012
Total revenue	$	10,579		$	9,152
Expenses
Operating		4,817			3,704
Real estate taxes		156			169
Interest		453			1,670
Depreciation and amortization		447			2,303
Other expenses		1,352			1,181
Total expenses		7,225			9,027
Net income		3,354			125
(Income) loss attributable to non-controlling interests	$	(22	)		404
Net income attributable to VHH	$	3,332		$	529
Trust’s share of net income (1)	$	1,921		$	339

(1) The Trust records its investments in Vintage Housing LLC on a one month lag, therefore, amounts in the Trust’s financial statements for the period ended March 31, 2013 are based on balances and results from Vintage Housing LLC for the 3 month period ended February 28, 2013.

21

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The summarized balance sheets of the Trust’s RE CDO Management venture is as follows (in thousands):

	March 31, 2013		December 31, 2012
ASSETS
Cash and cash equivalents	$	205	$	123
Loan receivable		1,062		1,070
Receivables and other assets		947		2,400
Total Assets		2,214		3,593
LIABILITIES AND MEMBERS’ CAPITAL
Other liabilities	$	18	$	36
Members’ Capital		2,196		3,557
Total Liabilities and Members’ Capital	$	2,214	$	3,593
Carrying value of the Trust’s investments in RE CDO Management	$	1,098	$	1,779

The summarized statement of operations of the Trust’s RE CDO Management venture is as follows (in thousands):

	For the Period Ended March 31, 2013		For the Period Ended March 31, 2012
Expenses
General and administrative	$	58	$	107
Other expenses		1,419		32
Total expenses		1,477		139
Other income:
Gain (loss) on sale of investment		8,940		—
Other income		76		161
Total other income		9,016		161
Net income	$	7,539	$	22
Trust’s share of net income	$	3,770	$	11

The one remaining loan receivable is accounted for using the cost recovery method.

22

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

8. Debt

Mortgage Loans Payable

The Trust had outstanding mortgage loans payable of $278,824,000 and $280,576,000 at March 31, 2013 and December 31, 2012, respectively. The mortgage loan payments of principal and interest are generally due monthly, quarterly or semi-annually and are collateralized by applicable real estate of the Trust.

The Trust’s mortgage loans payable at March 31, 2013 and December 31, 2012 are summarized as follows (in thousands):

Location of Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31, 2013			March 31, 2013		December 31,  2012
Amherst, NY	Oct 2013	—		5.65	%	$	15,104	$	15,225
Memphis, TN	Aug 2014	Libor + 2.5%(1)		3.00	%		13,337		13,408
Lisle, IL	Oct 2014	Libor + 2.5%(2)		2.71	%		5,752		5,752
Chicago, IL	Apr 2015	—		6.25	%		8,700		8,700
Chicago, IL	Mar 2016	—		5.75	%		20,112		20,200
Houston, TX	Apr 2016	—		6.12	%		50,896		52,052
New York, NY	May 2016	Libor + 2.5%(3)		3.50	%		51,982		51,982
Greensboro, NC	Aug 2016	—		6.22	%		15,039		15,139
Lisle, IL	Mar 2017	—		5.55	%		5,524		5,543
Cerritos, CA	Jan 2017	—		5.07	%		23,174		23,184
Orlando, FL	Jul 2017	—		6.40	%		37,426		37,580
Plantation, FL	Apr 2018	—		6.48	%		10,778		10,811
Meriden, CT	Oct 2022	—		3.95	%		21,000		21,000
						$	278,824	$	280,576

(1) The loan has a LIBOR floor of 0.5% and an interest rate cap which caps LIBOR at 0.5%.

(2) The loan has an interest rate cap which caps LIBOR at 1%.

(3) The loan has a LIBOR floor of 1%.

Non-Recourse Secured Financing

The Trust’s non-recourse secured financings at March 31, 2013 and December 31, 2012 are summarized as follows (in thousands):

						Carrying Value
Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31,  2013			March 31, 2013		December 31,  2012
Hotel Wales Loan	Oct. 2013	LIBOR plus 1.25%(1)		4.25	%	$	14,000	$	14,000
San Marbeya Loan	Jan. 2015	—		4.85	%		15,150		15,150
						$	29,150	$	29,150

(1) The loan has a LIBOR floor of 3%.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

Recourse Secured Financings

The Trust’s recourse secured financings at March 31, 2013 and December 31, 2012 are summarized as follows (in thousands):

						Carrying Value
Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31, 2013			March 31, 2013		December 31,  2012
Queensridge Loan	Nov. 2014	LIBOR plus 4%		4.20	%	$	13,653	$	23,770
						$	13,653	$	23,770

Notes Payable

In conjunction with the loan modification on the property located in Cerritos, California the Trust assumed a $14,500,000 B Note that bears interest at 6.6996% per annum and requires monthly payments of approximately $12,000 with the balance of the interest accruing. The loan modification agreement provides for a participation feature whereby the B Note can be fully satisfied with proceeds from the sale of the property after the Trust receives its 9.0% priority return on its capital, during a specified time period as defined in the loan modification document. As of March 31, 2013, the carrying value of the participating B Note was $860,000 which approximates fair value. The inputs used in determining the estimated fair value of the Trust’s Notes Payable are categorized as Level 3 in the fair value hierarchy.

On October 15, 2012, 5400 Westheimer LP, an entity in which the Trust holds an interest, executed a note payable in the amount of $1,600,000. The note bears interest at 15% per annum and matures on October 15, 2022. Since the Trust holds 50% of the loan, $800,000 of the note payable is eliminated in consolidation for accounting purposes. The balance of the note as of March 31, 2013 was $800,000 which approximates fair value.

9. Revolving Line of Credit

The Trust has a revolving line of credit in the principal amount of $50,000,000 which bears interest at LIBOR plus 3% and has a maturity date of March 3, 2014 with a one year option to extend the maturity date to March 3, 2015. The Trust must comply with financial covenants on an ongoing basis. The covenants are tested as of the end of each quarter based upon results for the most recently ended quarter. The Trust was in compliance of its financial covenants under its revolving line of credit as of March 31, 2013.

The revolving line of credit is recourse and as such is effectively collateralized by all of the Trust’s assets. The revolving line of credit requires monthly payments of interest only. To the extent that the amounts outstanding under the facility are in excess of the borrowing base (as calculated per the terms of the loan agreement), the Trust is required to make a principal payment to reduce such excess. The Trust may prepay from time to time without premium or penalty and re-borrow amounts prepaid.

The outstanding balance under the facility was $0 at March 31, 2013 and December 31, 2012. The Trust is required to pay a commitment fee on the unused portion of the line, which amounted to approximately $43,000 for the three months ended March 31, 2013, and approximately $19,000 for the three months ended March 31, 2012.

10. Senior Notes Payable

In August 2012 the Trust issued a total $86,250,000 of its 7.75% Senior Notes (the “Notes”) at an issue price of 100% of par value. The Trust received net proceeds of approximately $83,228,000, after deducting the underwriting discounts, commissions and offering expenses.

The Notes mature on August 15, 2022 and bear interest at the rate of 7.75% per year, payable quarterly in arrears commencing November 15, 2012. The Trust may redeem the Notes, in whole or in part, at any time or from time to time on or after August 15, 2015 at a redemption price in cash equal to 100% of the principal amount redeemed plus accrued and unpaid interest.

24

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The Notes rank senior to all of the Trust’s future indebtedness that by its terms is expressly subordinate to the Notes, effectively making the Notes senior to all of the Trust’s existing and future unsecured senior indebtedness to the extent of the collateral securing the Notes and pari passu thereafter. The Notes are structurally subordinated to all of the existing and future liabilities of Winthrop’s subsidiaries, including the Operating Partnership, but will have a security interest in the promissory note of the Operating Partnership to the Trust, which promissory note is pari passu with all existing and future unsecured senior indebtedness of the Operating Partnership.

11. Derivative Financial Instruments

The Trust has exposure to fluctuations in market interest rates. The Trust seeks to limit its risk to interest rate fluctuations through match financing on its assets as well as through hedging transactions.

The Trust’s objective in using interest rate derivatives is to add stability to interest expense and to manage its exposure to interest rate movements. To accomplish this objective, the Trust primarily uses interest rate caps and interest rate swaps as part of its interest rate risk management strategy relating to certain of its variable rate debt instruments.

The effective portion of changes in fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. The ineffective portion of the change, if any, in fair value of the derivatives is recognized directly in earnings. During the three months ended March 31, 2013 interest rate caps were used to hedge the variable cash flows associated with existing variable-rate debt. The Trust also assesses, both at its inception and on an ongoing basis, whether the hedging instrument is highly effective in achieving offsetting changes in the cash flows attributable to the hedged item. The Trust has recorded changes in fair value related to the effective portion of its interest rate hedges designated and qualifying as cash flow hedges totaling $1,000 for the three months ended March 31, 2013, and $32,000 of comprehensive loss for the three months ended March 31, 2012.

The table below presents information about the Trust’s interest rate caps that are included on the consolidated balance sheet that were designated as cash flow hedges of interest rate risk at March 31, 2013 (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value of Cap in Other Comprehensive Income			Unrealized Gain on Cap in Other Comprehensive Income		Change in Cap Valuations Included in Other Comprehensive Income for the Three Months Ended March 31, 2013
Aug 2014		0.50	%	$	13,337	$	22	$	(1	)	$	—	$	—

The table below presents information about the Trust’s interest rate caps that were not designated as cash flow hedges (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value		Change in Cap Valuations Included in Interest Expense for the Three Months Ended March 31, 2013
May 2013		1.25	%	$	51,982	$	196	$	—	$	—
Aug 2014		1.75	%		51,982		434		—		—
Oct 2014		1.00	%		5,754		174		1		—

25

12. Non-controlling Interests

Houston, Texas Operating Property – During the first quarter 2013, a wholly-owned subsidiary of the Trust acquired a quarter-unit limited partner interest, representing 1% of Westheimer Holding LP (“Westheimer”) for a purchase price of $75,000. As a result, the Trust now owns 31% of Westheimer. The Trust accounted for this purchase as an equity transaction recording the difference in the $127,000 carrying value of the acquired non-controlling interest and the purchase price as a $52,000 increase in paid-in capital.

Deer Valley Operating Property – On March 29, 2012 the Trust purchased the 3.5% non-controlling ownership interest of its consolidated joint venture, WRT-DV LLC, for $400,000. The Trust accounted for the purchase as an equity transaction recording the difference in the $192,000 carrying value of the acquired non-controlling interest and the purchase price as a $208,000 reduction in paid-in capital.

The changes in the Trust’s ownership interest in the subsidiaries impacted consolidated equity during the period shown as follows:

	Three Months Ended
	March 31,
	2013		2012
Net income attributable to Winthrop Realty Trust	$	13,746	$	8,253
Increase (decrease) in Winthrop Realty Trust paid in capital adjustments from transaction with non-controlling interests		52		(208	)
Changes from net income attributable to Winthrop Realty
Trust and transfers from non-controlling interest	$	13,798	$	8,045

13. Discontinued Operations

During 2012 the Trust’s net lease retail property in Memphis, Tennessee and its office property in Indianapolis, Indiana were sold and are included in discontinued operations. During 2013 the Trust’s office property located in Andover, Massachusetts was sold and is included in discontinued operations for all periods presented.

Results for discontinued operations for the three months ended March 31, 2013 and 2012 are as follows (in thousands):

	For the Three Months Ended
	March 31, 2013			March 31, 2012
Revenues	$	275		$	747
Operating expenses		(71	)		(285	)
Interest expense		—			(65	)
Depreciation and amortization		(66	)		(182	)
Gain on sale of assets		2,775			—
Income from discontinued operations	$	2,913		$	215

26

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

14. Commitments and Contingencies

In addition to the initial purchase price of certain loans and operating properties, the Trust has future funding commitments attributable to its 450 W 14^th Street property, 701 Seventh Avenue investment and 1515 Market Street loan which total approximately $45,104,000 at March 31, 2013. The Trust has a ground lease related to its property located at 450 W 14^th Street, New York, New York which expires on June 1, 2053. As of March 31, 2013, in connection with the ground lease, the Trust has commitments of $970,742; $1,405,000; $1,463,000; $1,592,000; $1,656,000 and $109,419,000 for the years ended December 31, 2013, 2014, 2015, 2016, 2017 and thereafter, respectively.

The Trust is involved from time to time in litigation on various matters, including disputes with tenants and disputes arising out of agreements to purchase or sell properties. Given the nature of the Trust’s business activities, these lawsuits are considered routine to the conduct of its business. The result of any particular lawsuit cannot be predicted because of the very nature of litigation, the litigation process and its adversarial nature, and the jury system. The Trust does not expect that the liabilities, if any, that may ultimately result from such legal actions will have a material adverse effect on its financial condition or results of operations.

Churchill, Pennsylvania - In 2011 the Trust was conveyed title to the land underlying the Churchill, Pennsylvania property. Prior to the conveyance of the land, a Phase II environmental study was performed. The study found that there were certain contaminants at the property all of which were within permitted ranges. In addition, given the nature and use of the property currently and in the past, it is possible that there may be contamination that could require remediation. The Trust believes that based on applicable law and existing agreements any such remediation costs would be the responsibility of a prior owner or tenant.

15. Related-Party Transactions

FUR Advisors - The activities of the Trust are administered by FUR Advisors LLC (“FUR Advisors”) pursuant to the terms of the Advisory Agreement between the Trust and FUR Advisors. FUR Advisors is controlled by and partially owned by the executive officers of the Trust. Pursuant to the terms of the Advisory Agreement, FUR Advisors is responsible for providing asset management services to the Trust and coordinating with the Trust’s shareholder transfer agent and property managers. FUR Advisors is entitled to receive a base management fee of 1.5% and in certain instances, a termination fee and/or an incentive fee in accordance with the terms of the Advisory Agreement. In addition, FUR Advisors or its affiliate is also entitled to receive property and construction management fees subject to the approval of the independent Trustees of the Trust.

The following table sets forth the fees and reimbursements paid by the Trust for the three months ended March 31, 2013 and 2012 to FUR Advisors and Winthrop Management (in thousands):

	For the Three Months Ended
	March 31, 2013		March 31, 2012
Base Asset Management	$	2,266	$	2,027
Property Management		282		116
Construction Management		131		—
	$	2,679	$	2,143

Base Asset Management Fee - Effective January 1, 2012, the Advisory Agreement was amended to reflect the redemption of the Series B-1 Preferred Shares and Series C Preferred Shares and the issuance of the Series D Preferred Shares. Additionally, FUR Advisors receives a fee equal to 0.25% of any equity contributions by unaffiliated third parties to a venture managed by the Trust.

Property Management and Construction Management - Winthrop Management L.P. (“Winthrop Management”), an affiliate of FUR Advisors and the Trust’s executive officers, assumed property management responsibilities for various properties owned by the Trust. Winthrop Management receives a property management fee and construction management fee pursuant to the terms of individual property management agreements. Construction management fees are capitalized in accordance with GAAP.

27

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

At March 31, 2013 $2,266,000 payable to FUR Advisors and $274,000 payable to Winthrop Management were included in accounts payable and accrued liabilities.

16. Reportable Segments

The Financial Accounting Standards Board (“FASB”) guidance on segment reporting establishes standards for the way that public business enterprises report information about operating segments in financial statements and requires that those enterprises report selected financial information about operating segments in interim financial reports issued to shareholders. Based on the Trust’s method of internal reporting, management determined that it has three operating segments: (i) the ownership of operating properties; (ii) the origination and acquisition of loans and debt securities secured directly or indirectly by commercial and multi-family real property – collectively, loan assets; and (iii) the ownership of equity and debt securities in other REITs – REIT securities.

The operating properties segment includes all of the Trust’s wholly and partially owned operating properties. The loan assets segment includes all of the Trust’s activities related to real estate loans including loans receivable, loan securities and equity investments in loan related entities. The REIT securities segment includes all of the Trust’s activities related to the ownership of securities in other publicly traded real estate companies. In addition to its three business segments, the Trust reports non-segment specific income and expense under corporate income (expense).

The following table summarizes the Trust’s assets by business segment for the periods ended March 31, 2013 and December 31, 2012 (in thousands):

	March 31, 2013		December 31, 2012
Assets
Operating properties	$	611,962	$	562,822
Loan assets		157,248		239,534
REIT securities		12,220		19,694
Corporate
Cash and cash equivalents		131,448		97,682
Restricted cash		2,786		—
Accounts receivable and prepaids		431		336
Deferred financing costs		2,982		3,095
Total Assets	$	919,077	$	923,163
Capital Expenditures
Operating Properties	$	502	$	12,417

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The Trust defines net operating income for each segment presented as all items of income and expense directly derived from or incurred by each business segment before depreciation, amortization and interest expense. Interest on cash reserves, general and administrative expenses and other non-segment specific income and expense items are reported under corporate income (expense). The following table presents a summary of revenues from operating properties, loan assets and REIT securities and expenses incurred by each segment for the three months ended March 31, 2013 and 2012 (in thousands):

\	For the Three Months Ended
	March 31,			March 31,
	2013			2012
Operating Properties
Rents and reimbursements	$	15,179		$	11,793
Operating expenses		(4,930	)		(4,331	)
Real estate taxes		(946	)		(1,192	)
Equity in earnings of preferred equity investment in Fenway-Wateridge		202			—
Equity in loss of Sealy Northwest Atlanta		(146	)		(56	)
Equity in loss of Sealy Newmarket		—			(722	)
Equity in loss of Marc Realty investment		(60	)		(347	)
Equity in income of WRT-Elad		443			543
Equity in income of Vintage		1,921			339
Equity in income of 701 Seventh Avenue		697			—
Equity in income of Fenway-Wateridge		36			—
Equity in income of Mentor		17			—
Operating income		12,413			6,027
Depreciation and amortization expense		(5,174	)		(3,537	)
Interest expense		(3,625	)		(3,098	)
Operating properties net income (loss)		3,614			(608	)
Loan Assets
Interest		4,454			2,399
Discount accretion		716			2,833
Unrealized gain on loan securities carried at fair value		—			164
Equity in income of ROIC Riverside		—			234
Equity in loss of ROIC Lakeside Eagle		(13	)		(12	)
Equity in income of Concord Debt Holdings		35			296
Equity in income of CDH CDO		150			394
Equity in income of Concord Debt Holdings (1)		14			—
Equity in income of CDH CDO (1)		480			—
Equity in income of WRT-Stamford		221			89
Equity in loss of SoCal Office Loan Portfolio		—			(345	)
Equity in income of RE CDO management		3,770			11
Equity in income of 10 Metrotech		304			—
Operating income		10,131			6,063
General and administrative expense		(14	)		(5	)
Interest expense		(580	)		(334	)
Loan assets net income		9,537			5,724
REIT Securities
Interest and dividends		150			286
(Loss) gain on sale of securities carried at fair value		(102	)		26
Unrealized gain on securities carried at fair value		1,718			4,932
REIT securities net income		1,766			5,244
Net income from segments before corporate income (expense)		14,917			10,360
Reconciliations to GAAP Net Income:
Corporate Income (Expense)
Interest income		70			101
Interest expense		(1,827	)		(292	)
General and administrative		(833	)		(878	)
Related party fees		(2,266	)		(2,027	)
Transaction costs		(6	)		(121	)
State and local taxes		(17	)		(6	)
Income from continuing operations before non-controlling interest		10,038			7,137
Non-controlling interest		795			901
Income from continuing operations		10,833			8,038
Income from discontinued operations		2,913			215
Net Income Attributable to Winthrop Realty Trust	$	13,746		$	8,253

(1) Represents the interest acquired from Lexington Realty Trust on May 1, 2012.

29

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

17. Variable Interest Entities

Consolidated Variable Interest Entities

Consolidated variable interest entities are those where the Trust is the primary beneficiary of a variable interest entity. The primary beneficiary is the party that has a controlling financial interest in the VIE, which is defined by the entity having both of the following characteristics: 1) the power to direct the activities that, when taken together, most significantly impact the VIE’s performance, and 2) the obligation to absorb losses and right to receive the returns from the VIE that could be significant to the VIE. The Trust has identified two consolidated variable interest entities.

Although the Trust holds 100% of the equity interests in the Cerritos office property, the B-Note collateralized by the property enables the senior lender to participate in the entity’s expected residual returns, the Trust will need to fund expected losses and infuse additional capital to lease and stabilize property operations. Through its equity interests in the property, the Trust has both the right to the returns of the entity and power to direct the activities of Cerritos. Accordingly, the Trust is the primary beneficiary and has consolidated Cerritos since its acquisition on October 5, 2012.

At March 31, 2013, the carrying value of the Cerritos assets and liabilities included: land and building of $21,396,000 net of accumulated depreciation of $369,000; lease intangibles of $3,457,000 net of accumulated amortization of $300,000; mortgage debt comprised of an A Note totaling $23,174,000; and participating B Note totaling $860,000. The outstanding mortgage debt collateralized by the property is non-recourse to the Trust.

In connection with the loan modification of 1515 Market Street, the Trust acquired a 49% equity interest in the entity that holds the property. This equity interest includes the general partner interest. The Trust determined that the 1515 Market Street entity was a variable interest entity due to the lender’s right to participate in the entity’s expected residual returns. Through its equity interest, the Trust has both the right to the returns of the entity and power to direct the activities of 1515 Market Street. Accordingly, the Trust is the primary beneficiary and has consolidated the property effective February 1, 2013.

At March 31, 2013, the carrying value of the 1515 Market Street assets and liabilities include land and building of $43,143,000 net of accumulated depreciation of $142,000 and lease intangibles of $16,832,000 net of accumulated amortization of $368,000. The outstanding mortgage debt collateralized by the property is non-recourse to the Trust and is eliminated in consolidation. See Note 4 for additional details regarding this transaction.

Variable Interest Entities Not Consolidated

Equity Method and Preferred Equity Investments - The Trust has reviewed its various equity method and preferred equity investments and identified 11 investments for which the Trust holds a variable interest in a VIE. Of these 11 interests there are seven investments for which the underlying entities do not have sufficient equity at risk to permit them to finance their activities without additional subordinated financial support. There are four additional entities for which the VIE assessment was primarily based on the fact that the voting rights of the equity holders are not proportional to their obligations to absorb expected losses and rights to receive residual returns of the legal entities. These 11 unconsolidated joint ventures are those where the Trust is not the primary beneficiary of a VIE.

Loans Receivable and Loan Securities - The Trust has reviewed its loans receivable and loan securities and four of these assets have been identified as variable interests in a VIE because the equity investment at risk at the borrowing entity level is not considered sufficient for the entity to finance its activities without additional subordinated financial support. There is one investment where the equity holders lack the right to receive returns due to the lender’s participation interest in the debt.

Certain loans receivable and loan securities which have been determined to be VIEs are performing assets, meeting their debt service requirements. In these cases the borrower holds legal title to the real estate collateral and has the power to direct the activities that most significantly impact the economic performance of the VIE, including management and leasing activities. In the event of default under these loans, the Trust only has protective rights and its obligation to absorb losses is limited to the extent of its loan investment. The borrower has been determined to be the primary beneficiary for these performing assets.

The Trust has determined that it does not currently have the power to direct the activities of the properties collateralizing any of its loans receivable and loan securities. For this reason, management believes that it does not control, nor is it the primary beneficiary of these properties. Accordingly, the Trust accounts for these investments under the guidance for loans receivable and real estate debt investments.

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18. Subsequent Events

On April 25, 2013, the entity that holds title to the property located at 1515 Market Street in Philadelphia, Pennsylvania (the “1515 Market Owner”) obtained a $43,000,000 non-recourse first mortgage loan (“First Mortgage”) from an unaffiliated third party. The First Mortgage bears interest at LIBOR plus 2.0% per annum, requires monthly payments of interest only and matures on May 1, 2016. On the same date, the Trust entered into an interest rate swap agreement which effectively fixes LIBOR at 0.50% for the term of the First Mortgage. The Trust, which held the mortgage loan (“Original Mortgage”) collateralized by the property at the time of the closing of the First Mortgage, received $38,472,000 of loan proceeds from the First Mortgage financing which reduced the balance on the Original Mortgage to $33,157,000. The Original Mortgage is now subordinate to the First Mortgage, bears interest at an effective rate of 12.9% per annum and is secured by a second mortgage on the property. The Trust’s investment in the Original Mortgage has been reduced to $21,098,000 resulting in an effective interest rate on the Trust’s cash investment in this asset of 19.6%. Due to the Trust’s ownership of a 49% interest, including the general partner interest, in the 1515 Market Owner and an additional 40% profits participation interest in the property, the Trust consolidates 1515 Market and the Original Mortgage, and all intercompany transactions, are eliminated in consolidation. See Note 4 for additional information on the Original Mortgage.

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ITEM 2 – MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Certain statements contained herein constitute forward-looking statements as such term is defined in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements are not guarantees of performance. They involve risks, uncertainties and assumptions. Our future results, financial condition and business may differ materially from those expressed in these forward-looking statements. You can find many of these statements by looking for words such as “approximates,” “believes,” “expects,” “anticipates,” “intends,” “plans,” “would,” “may” or similar expressions in this Quarterly Report on Form 10-Q. These forward-looking statements are subject to numerous assumptions, risks and uncertainties. Many of the factors that will determine these items are beyond our ability to control or predict. Factors that may cause actual results to differ materially from those contemplated by the forward-looking statements include, but are not limited to, those set forth in our Annual Report on Form 10-K for the year ended December 31, 2012 under “Forward Looking Statements” and “Item 1A – Risk Factors,” as well as our other filings with the Securities and Exchange Commission. For these statements, we claim the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. We expressly disclaim any responsibility to update forward-looking statements, whether as a result of new information, future events or otherwise. Accordingly, investors should use caution in relying on forward-looking statements, which are based on information, judgments and estimates at the time they are made, to anticipate future results or trends.

Management’s Discussion and Analysis of Financial Condition and Results of Operations include a discussion of our unaudited consolidated financial statements and footnotes thereto for the three months ended March 31, 2013 as compared with the three months ended March 31, 2012. These unaudited financial statements are prepared in conformity with accounting principles generally accepted in the United States of America which requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.

Overview

As a diversified REIT, we operate in three strategic segments: (i) operating properties; (ii) loan assets; and (iii) REIT securities. As value investors we focus and aggressively pursue our investment activity in the segment we believe will generate the greater overall return to us given market conditions at the time. In prior years we have demonstrated our ability to adjust our business plan to capitalize on evolving marketing conditions both with respect to business segment and capital structure. During the first quarter of 2013 we have, and expect to continue to, execute an investment strategy that focuses on our loan asset segment and to a lesser extent our operating properties segment with a view toward investing in assets that provide a current yield as well as the potential for long term appreciation. We will continue to invest in opportunities which we believe will yield superior risk adjusted returns. These investments may have returns weighted towards the back end of the invested life which may negatively impact current earnings. Further, we will mine our existing portfolio for follow-on opportunities and will seek to timely realize returns on such investments subject only to the disposition restrictions under the Internal Revenue Code in order to maintain our REIT status.

In connection with our strategy, in certain instances, we seek to acquire assets through joint ventures which allows us to employ third party co-investment capital to maximize diversification of risk and reduce capital concentration and in certain instances, leverage off of our joint venture partner’s experience and expertise in specific geographic areas and/or specific asset types.

We believe that the economic recovery, while slow, will continue throughout 2013 with gradually increasing rental demand across most asset classes in most major markets. We also believe that lenders will continue to take advantage of their improved balance sheets by accelerating the disposition of their non-performing real estate related assets, both debt and real property. Accordingly, we anticipate no diminishment in value opportunities for investing in 2013, and we believe that new investments in loan assets as well as preferred equity will continue to provide the most opportunity.

We invested $22,314,000 in new loan assets during the first quarter of 2013. See Item 1, Note 4 for a description of our investments. Additionally, during the first quarter of 2013 we received $11,425,000 in net proceeds from the sale of our Andover, Massachusetts property, $19,318,000 in proceeds from the sale of loan assets, $13,783,000 from loan repayments and $4,451,000 in distributions from our RE CDO Management venture from the sale of certain of its assets. See additional details in our “Liquidity and Capital Resources” section below.

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Loan Assets

During 2013 we received repayment in full on two loans receivable for a total repayment of $13,783,000. We also received $10,117,000 in loan repayments on our Queensridge loan receivable from the sale of several condominium units which collateralize the loan, which loan repayments were used to partially satisfy our recourse loan payable secured by the Queensridge loan. During the first quarter we sold our Disney B Note receivable for $9,000,000.

In addition, during the first quarter of 2013 we originated a $20,500,000 mezzanine loan collateralized by a 260,000 square foot office campus in the Los Angeles, California area. The loan bears interest at LIBOR plus 14.25% per annum, with a 0.5% LIBOR floor and matures January 23, 2015. The loan requires payments on interest only at a rate of 8.25% with the remaining interest being accrued and added to principal. In addition, at maturity we are entitled to a participation interest equal to 25% of the net value of the property. On March 1, 2013 we sold a 50% pari passu participation interest in the mezzanine loan.

We intend to continue our loan asset acquisition and origination strategy in 2013 with a focus on loans with underlying collateral value, future income return potential and in certain cases, acquisitions of non-performing loans in the fulcrum position which have a high possibility that our debt position in the capital stack will be converted into equity participation. An example of this strategy is our recent acquisition and restructuring of the first mortgage loan on a 514,000 square foot office building located at 1515 Market Street in Philadelphia, Pennsylvania.

Operating Properties

Acquisition Activity

1515 Market Street – On February 1, 2013 in connection with the restructuring, we acquired an effective 89% equity interest in the property, inclusive of the operating partnership interest. As a result, this property is now accounted for as a consolidated operating property as of the acquisition date.

Disposition Activity

Andover, Massachusetts – On March 28, 2013 we sold our Andover, Massachusetts property to an independent third party for gross sale proceeds of $12,000,000. After costs and pro-rations, we received net proceeds of approximately $11,425,000 and recorded a gain of $2,775,000 on the sale of the property. Results of operations for this property are classified as discontinued operations for all periods presented. The recorded gain was increased by net income of $138,000 and $137,000 for the three months ended March 31, 2013 and 2012, respectively.

Consolidated Operating Properties

During the first quarter of 2013 we saw increases in our operating income from our operating properties as a result of favorable operating results from same store properties, that is, properties held during both three month periods, complemented by our new store property operating results. Our same store properties generated increased net operating income of $1,086,000 while our new store properties generated net operating income of $1,947,000 for the quarter ended March 31, 2013. See our Results of Operations section below for details of our consolidated properties net income. As of March 31, 2013 our consolidated properties were approximately 89.3% leased compared to approximately 89.6% leased at December 31, 2012.

We continue to review our portfolio to divest investments as they mature in value to the point where we may be unlikely to achieve better than market returns and redeploy capital to what we believe to be higher yielding opportunities.

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Equity Investments

Vintage Housing – During the three months ended March 31, 2013, we recorded net income from our investment in Vintage Housing of $1,921,000 and received cash distributions of $654,000. The Vintage properties were 96% occupied at February 28, 2013. We have elected to recognize our earnings on a one month lag.

Sullivan Center – All cash flow at the Sullivan Center property is trapped by the first mortgage lender. As a result, the Sullivan Center property is currently unable to meet its debt service payments on the mezzanine loan held by our venture, WRT-Elad Lender LP. The first mortgage is not prepayable until October 2013. WRT-Elad Equity LP, our venture which holds an indirect future ownership interest in the property, and WRT-Elad Lender LP, collectively our Sullivan JV, have entered into a forbearance agreement with the borrower and non-controlling interest owner at our Sullivan Center property. As a result, the Sullivan JV increased its indirect future ownership interest in the property from 65% to 70%. In addition, the Sullivan JV is entitled to receive a $1,400,000 modification fee in November 2013. If the payment is not paid, the Sullivan JV’s indirect future ownership interest will increase to 76%. We recognized $443,000 of income on the investment during the three months ended March 31, 2013. The Sullivan Center was 83% leased at February 28, 2013. We have elected to recognize our earnings on a one month lag.

701 Seventh Avenue – In October 2012 we entered into a joint venture to acquire and redevelop a 120,000 square foot property and associated air rights located at 701 Seventh Avenue, New York, New York. We made an initial investment of $28,971,000 in the venture. During the quarter ended March 31, 2013 we recorded net income from our investment in 701 Seventh Avenue of $697,000 and received cash distributions of $394,000. We have elected to recognize our earnings on a three month lag.

WRT-Fenway Wateridge – On December 21, 2012 we entered into a venture pursuant to which the venture acquired for $9,200,000 a 62,152 square foot class B office building located in Sorrento Mesa (San Diego), California. We contributed a total of $7,522,000 of which $6,000,000 is a preferred equity investment which entitles us to a 12% priority return to be paid 8% currently from operating cash flow with the remaining 4% deferred. During the quarter ended March 31, 2013 we recorded net income from the investment of $238,000 and received cash distributions of $94,000. We have elected to recognize our earnings on a one month lag.

Sealy – Two of the investment properties are located in Atlanta, Georgia, (Northwest Business Park and Newmarket), which had occupancies, inclusive of leases signed not yet commenced, of 71% and 52% respectively, at March 31, 2013 as compared to occupancy of 70% and 50%, respectively at December 31, 2012. The third Sealy investment is located in Nashville, Tennessee and was 81% and 84% occupied at March 31, 2013 and December 31, 2012, respectively.

The loans secured by the Newmarket property and the Nashville, Tennessee property continue to be in special servicing. We, together with our venture partner, are attempting to negotiate a restructuring of the debt with the special servicers. There can be no assurance that a restructuring of the loans will be accomplished.

Marc Realty – As of March 31, 2013, we held equity interests in four properties with Marc Realty which consist of an aggregate of approximately 665,000 rentable square feet of office and retail space which was 79% occupied at March 31, 2013 as compared to 78% occupied at December 31, 2012.

REIT Securities

During the quarter ended March 31, 2013, we sold securities with an original acquisition cost of $6,956,000 for net proceeds of $9,090,000.

As of March 31, 2013 our portfolio of REIT securities had a fair value of $12,220,000 compared to an original acquisition cost of $8,920,000.

Liquidity and Capital Resources

At March 31, 2013, we held $131,448,000 in unrestricted cash and cash equivalents. In addition, as of March 31, 2013 we had, subject to the value of the assets included in the borrowing base, $50,000,000 available to draw on our revolving line of credit and $12,220,000 in REIT securities.

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We believe that cash flow from operations will continue to provide adequate capital to fund our operating and administrative expenses, as well as debt service obligations in the short term. As a REIT, we must distribute annually at least 90% of our REIT taxable income. As a result of this dividend requirement, we, like other REITs, are dependent on raising capital through equity and debt issuances or forming ventures with investors to obtain funds with which to expand our business. Accordingly, we anticipate that capital with which to make future investment and financing activities will be provided from return of capital received from proceeds from loan maturities and prepayment, borrowings, the issuance of additional equity and debt securities, as well as proceeds from sales of existing assets to the extent the taxable gain on such sales is able to be sheltered through the use of capital loss carry forwards. We have capital loss carry forwards of $31,174,000 which expire from 2014 through 2015.

Our primary sources of funds include:

• cash and cash equivalents;

• rents and reimbursements received from our operating properties;

• payments received under our loan assets;

• disposition of REIT securities;

• sale of existing assets;

• cash distributions from joint ventures;

• borrowings under our credit facilities;

• asset specific borrowings; and

• the issuance of equity and debt securities.

Contractual Obligations

Future Funding Requirements

We have future funding requirements relating to our 450 W 14^th Street property, our 701 Seventh Avenue investment and our 1515 Market Street loan which total approximately $45,104,000 at March 31, 2013.

Debt Maturities

At March 31, 2013, our balance sheet contains mortgage loans payable of $278,824,000. We have $15,104,000 maturing in 2013 and $19,089,000 maturing in 2014 with the remainder maturing in 2015 or later. We have a $14,000,000 secured financing which matures in October 2013. The financing is collateralized by a loan receivable which also matures in October 2013. This loan receivable and secured financing both have a one-year extension option. We have a $50,000,000 revolving line of credit which matures in March 2014 with an option to extend to March 2015. On March 31, 2013, we had no borrowing outstanding on the line. We continually evaluate our debt maturities and except as noted above on our Sealy equity investments, based on our current assessment, we believe there are viable financing and refinancing alternatives for debts as they mature that will not materially adversely impact our liquidity or our expected financial results.

Cash Flows

Our level of liquidity based upon cash and cash equivalents increased by approximately $33,766,000 from $97,682,000 at December 31, 2012 to $131,448,000 at March 31, 2013.

Our cash flow activities for the three months ended March 31, 2013 and 2012 are summarized as follows (in thousands):

	For the Three Months Ended March 31,
	2013			2012
Net cash flow provided by operating activities	$	9,184		$	2,373
Net cash flow provided by investing activities		44,158			5,575
Net cash flow (used in) provided by financing activities		(19,576	)		30,626
Increase in cash and cash equivalents	$	33,766		$	38,574

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Operating Activities

For the three months ended March 31, 2013 our operating activities generated consolidated net income of $12,951,000 and positive cash flow of $9,184,000. Our cash provided by operations reflects our net income adjusted by: (i) a reduction for non-cash items of $7,771,000 representing primarily earnings of equity investments, gains on sales of real estate investments, current period loan discount accretion and unrealized gains on securities carried at fair value offset by adding back depreciation and amortization expenses; (ii) $7,916,000 of distributions from non-consolidated interests; and (iii) a net decrease due to changes in other operating assets and liabilities of $3,912,000. See our discussion of “Results of Operations” below for additional details on our operations.

Investing Activities

Cash flow provided by investing activities for the three months ended March 31, 2013 was approximately $44,158,000 as compared to approximately $5,575,000 for the comparable period in 2012. This change of approximately $38,583,000 resulted primarily from increased proceeds from the sale of investments in real estate and securities in 2013 and fewer investments made in 2013.

Net cash provided by investing activities of $44,158,000 for the three months ended March 31, 2013 was comprised primarily of the following:

• $24,287,000 in collection of loans receivable;

• $19,318,000 in proceeds from the sale of two loans receivable;

• $11,425,000 in proceeds from the sale of our Andover, Massachusetts real estate investment; and

• $9,090,000 in proceeds from the sale of securities carried at fair value.

These sources of cash flow were offset primarily by:

• $20,569,000 for our mezzanine loan origination;

• $936,000 of advances on our 1515 Market Street loan receivable; and

• $396,000 for investment in capital and tenant improvements at our operating properties.

Financing Activities

Cash flow used in financing activities for the three months ended March 31, 2013 was approximately $19,576,000 as compared to cash flow provided by financing activities of approximately $30,626,000 for the comparable period in 2012. This change of approximately $50,202,000 resulted primarily from preferred share offerings in 2012 offset by lower principal payments on our debt in 2013.

Net cash used in financing activities of $19,576,000 for the three months ended March 31, 2013 was comprised primarily of the following:

• $10,117,000 for payments on our recourse secured financing;

• $5,366,000 for dividend payments on our Common Shares;

• $2,787,000 placed in escrow to fund dividends on our Series D Preferred Shares payable April 1, 2013;

• $1,643,000 for principal payments on our mortgage loans payable;

• $228,000 for deferred financing costs; and

• $75,000 for the acquisition of non-controlling interests on our Houston, Texas property.

These uses of cash flow were offset primarily by:

• $535,000 in contributions from non-controlling interests at our New York, New York property.

Common and Preferred Share Dividends

As a result of our emphasis on total return, while we seek to achieve a stable, predictable dividend for our shareholders, we do not select or manage our investments for short-term dividend growth, but rather towards achieving overall superior total return.

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While we intend to continue paying dividends each quarter, the amount of our dividend will depend on the actual cash flow, financial condition, capital requirements, utilization of available capital losses, distribution requirements for REITs under the Internal Revenue Code, and such other factors as our Board of Trustees deem relevant. Subject to the foregoing, we expect to continue distributing our current cash flow from operations after reserving normal and customary amounts to maintain adequate capital reserves. In addition, when deemed prudent or necessitated by applicable dividend requirements for REITs under the Internal Revenue Code, we may make one or more special dividends during any particular year. However, during a favorable investing environment, we expect that we will utilize our carry forward capital losses to shelter gains from the disposition of our assets so we may use the proceeds for investment. We expect to continue applying these standards with respect to our dividends on a quarterly basis which may cause the dividends to increase or decrease depending on these various factors.

For the quarter ended March 31, 2013, we paid a regular quarterly dividend of $0.1625 per Common Share and a regular quarterly dividend of $0.578125 per Series D Preferred Share.

Comparability of Financial Data from Period to Period

The comparability of financial data from period to period is affected by several items including (i) the timing of our property acquisitions and leasing activities; (ii) the purchases and sales of assets and investments; (iii) when material other-than-temporary impairment losses on assets in our portfolio are taken; (iv) fluctuations in the fair value of our securities and loan securities carried at fair value; and (v) the reclassification of assets.

Results of Operations

All per share amounts presented in this section are on a diluted basis. Net income attributable to Common Shares was $10,957,000 or $0.33 per Common Share for the three months ended March 31, 2013 as compared with net income of $7,328,000 or $0.22 per Common Share for the three months ended March 31, 2012. Funds From Operations (FFO) attributable to Common Shares was $15,912,000 or $0.48 per Common Share for the three months ended March 31, 2013 as compared to FFO of $14,023,000 or $0.42 per Common Share for the three months ended March 31, 2012.

Our results are discussed below by business segment:

• Operating Properties – our wholly and partially owned operating properties;

• Loan Assets – our loans receivable, loan securities carried at fair value, and equity investments in loan assets;

• REIT Securities – our ownership of equity and debt securities in other real estate investment trusts; and

• Corporate – non-segment specific results which includes interest on cash reserves, general and administrative expenses and other non-segment specific income and expense items.

The following table summarizes our assets by business segment (in thousands):

	March 31, 2013		December 31, 2012
Operating properties	$	611,962	$	562,822
Loan assets		157,248		239,534
REIT securities		12,220		19,694
Corporate
Cash and cash equivalents		131,448		97,682
Restricted cash		2,786		—
Accounts receivable and prepaids		431		336
Deferred financing costs		2,982		3,095
Total Assets	$	919,077	$	923,163

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The increase in operating property assets was due primarily to the conversion of our 1515 Market Street property from a loan asset to an operating property as a result of our acquisition of a 49% equity interest in the property.

The decrease in loan assets was due primarily to the conversion of our 1515 Market Street property, the sale of our Disney B Note at par and the payoffs at par on our 127 West 25^th Street and 180 North Michigan loans receivable.

The decrease in REIT securities assets was primarily the result of the sale of securities which was partially offset by an increase in the fair market value of our remaining Cedar shares.

Comparison of Three Months ended March 31, 2013 versus Three Months ended March 31, 2012

The following table summarizes our results from continuing operations by reportable segment for the three months ended March 31, 2013 and 2012 (in thousands):

	2013			2012
Operating properties	$	3,614		$	(608	)
Loan assets		9,537			5,724
REIT securities		1,766			5,244
Corporate expenses		(4,879	)		(3,223	)
Income from continuing operations	$	10,038		$	7,137

Operating Properties

The following table summarizes our results from continuing operations for our operating properties segment for the three months ended March 31, 2013 and 2012 (in thousands):

	2013			2012
Rents and reimbursements	$	15,179		$	11,793
Operating expenses		(4,930	)		(4,331	)
Real estate taxes		(946	)		(1,192	)
Equity in loss of Marc Realty investments		(60	)		(347	)
Equity in loss of Sealy Northwest Atlanta		(146	)		(56	)
Equity in loss of Sealy Newmarket		—			(722	)
Equity in income of 701 7th WRT Investors		697			—
Equity in income of WRT-Fenway Wateridge		238			—
Equity in income of Vintage		1,921			339
Equity in income of WRT-Elad		443			543
Equity in income of Mentor		17			—
Operating income		12,413			6,027
Depreciation and amortization expense		(5,174	)		(3,537	)
Interest expense		(3,625	)		(3,098	)
Operating properties net income (loss)	$	3,614		$	(608	)

Operating income from our operating properties, which we define for our consolidated operating properties as all items of income and expense directly derived from or incurred by this segment before depreciation, amortization, interest expense and other non-recurring non-operating items and including our share of income or loss from equity investments increased by $6,386,000 compared to the prior year period.

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The following table breaks out our operating results from same store properties (properties held throughout both the current and prior year reporting periods) and new store properties (in thousands):

Consolidated Operating Properties

	For the Three Months Ended March 31,
	2013		2012
Rents and reimbursements
Same store properties	$	11,198	$	11,793
New store properties		3,981		—
		15,179		11,793
Operating expenses
Same store properties		3,226		4,331
New store properties		1,704		—
		4,930		4,331
Real estate taxes
Same store properties		616		1,192
New store properties		330		—
		946		1,192
Consolidated operating properties operating income
Same store properties		7,356		6,270
New store properties		1,947		—
	$	9,303	$	6,270

The increase in operating income for our same store properties was primarily the result of a decrease in operating expenses of $1,105,000 and a decrease in real estate taxes of $576,000, which were partially offset by a decrease in revenue of $595,000.

The decrease in same store revenue was the result of:

• The partial sale of our Churchill, Pennsylvania property which occurred May 14, 2012;

• An amendment to the lease terms for Spectra Energy at 5400 Westheimer located in Houston, Texas. The modified lease reduced the average annual contractual obligation but extended the term of the lease through April 30, 2026;

• A decrease in average occupancy at our Chicago, Illinois property known as River City from 72% to 49% primarily due to the loss of a significant tenant;

• A decrease in average occupancy at 701 Arboretum located in Lisle, Illinois from 17% to 1%; and

• Parking revenue at our One East Erie property located in Chicago, Illinois resulting from spaces taken out of service due to a restoration project.

Which were partially offset by:

• Increased average occupancy at our property known as Crossroads I located in Englewood, Colorado from 57% to 90%;

• Increased average occupancy at our property known as Crossroads II located in Englewood, Colorado from 66% to 87%;

• Increased average occupancy at our property known as 550/650 Corporetum located in Lisle, Illinois from 68% to 82%.

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New store revenues for the three months ended March 31, 2013 were as follows:

• $1,861,000 from our office property in Philadelphia, Pennsylvania;

• $821,000 from our residential property in Memphis, Tennessee;

• $742,000 from our office property in Cerritos, California; and

• $557,000 from our residential property in Greensboro, North Carolina.

Operating expenses increased by $599,000 due to expenses at our new store properties of $1,704,000. Same store operating expenses decreased by $1,105,000 due primarily to the following:

• a decrease of $688,000 at our Churchill, Pennsylvania property as a result of the partial sale of the property and the new net lease with Westinghouse; and

• a decrease of $160,000 at our River City office property.

Real estate tax expense decreased by $246,000. Real estate tax of $330,000 at our new store properties was offset by a decrease of $576,000 at our same store properties. The reduction at our same store properties was a result of the following:

• a decrease of $183,000 due to the partial sale of our Churchill, Pennsylvania property;

• a decrease of $144,000 at our Crossroads I property due to a prior year tax abatement received in 2013; and

• a decrease of $126,000 at our Crossroads II property due to a prior year tax abatement received in 2013.

Depreciation and amortization expense increased by $1,637,000 in 2013 primarily as a result of our new store properties. Interest expenses related to our operating properties increased by $527,000 primarily as a result of financing at our new store properties in Memphis, Tennessee; Greensboro, North Carolina and Cerritos, California which were all acquired in 2012.

Non-Consolidated Operating Properties: Equity Investments

Net operating income from equity investments was $3,110,000 for the three months ended March 31, 2013 compared to net loss of $243,000 for the three months ended March 31, 2012. The increase was due primarily to:

• Operating income from our Vintage portfolio increased $1,582,000 primarily as a result of a decrease in amortization of lease intangibles;

• Operating income from our 701 Seventh WRT Investors investment, which closed October 16, 2012 was $697,000;

• Operating loss from our Sealy Newmarket investment decreased by $722,000 primarily as a result of having recognized losses which brought our investment balance to zero at December 31, 2012; and

• Operating loss from our Marc Realty investments decreased by $287,000 primarily as a result of the sale of six investments since March 2012.

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Loan Assets

The following table summarizes our results from our loan assets segment for the three months ended March 31, 2013 and 2012 (in thousands):

	2013			2012
Interest	$	4,454		$	2,399
Discount accretion		716			2,833
Equity in earnings of ROIC-Riverside LLC		—			234
Equity in earnings (loss) of ROIC-Lakeside Eagle LLC		(13	)		(12	)
Equity in earnings of Concord Debt Holdings		35			296
Equity in earnings of CDH CDO		150			394
Equity in earnings of Concord Debt Holdings (1)		14			—
Equity in earnings of CDH CDO (1)		480			—
Equity in earnings of WRT-Stamford		221			89
Equity in earnings of SoCal Office Portfolio Loan		—			(345	)
Equity in earnings of 10 Metrotech		304			—
Equity in earnings of RE CDO Management		3,770			11
Unrealized gain on loan securities carried at fair value		—			164
Operating income		10,131			6,063
General and administrative expense		(14	)		(5	)
Interest expense		(580	)		(334	)
Loan assets net income	$	9,537		$	5,724

(1) Represents the interest acquired from Lexington Realty Trust on May 1, 2012.

Operating income from loan assets, which we define as all items of income and expense directly derived from or incurred by this segment before general and administrative and interest expense, increased by $4,068,000 as compared to the prior year period. The increase was due primarily to:

• a $4,294,000 increase in net earnings from our equity investment loan assets primarily due to earnings of $3,770,000 on our RE CDO Management investment which resulted from the sale of subordinated interests in collateralized debt obligation entities held by this venture; and

• a $2,055,000 increase in interest income as a result of our 2012 acquisition activity.

Partially offset by:

• a $2,117,000 decrease in discount accretion due primarily to the payoff at par in May 2012 of our 160 Spear and Magazine loans which had been acquired at a discount.

REIT Securities

The following table summarizes our results from our REIT securities segment for the three months ended March 31, 2013 and 2012 (in thousands):

	2013			2012
Interest and dividends	$	150		$	286
Gain (loss) on sale of securities carried at fair value		(102	)		26
Unrealized gain on securities carried at fair value		1,718			4,932
Operating income	$	1,766		$	5,244

41

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FORM 10-Q MARCH 31, 2013

Operating income from REIT securities, which we define as all items of income and expense directly derived from or incurred by this segment before interest expense, decreased by $3,478,000 as compared to the prior year period. The decrease was primarily due to a decrease in unrealized gain on securities carried at fair value primarily as a result of the divestiture of several of our REIT securities holdings over the past year.

Corporate

The following table summarizes our results from our corporate segment for the three months ended March 31, 2013 and 2012 (in thousands):

	2013			2012
Interest income	$	70		$	101
General and administrative		(833	)		(878	)
Related party fees		(2,266	)		(2,027	)
Transaction costs		(6	)		(121	)
Interest expense		(1,827	)		(292	)
State and local taxes		(17	)		(6	)
Operating loss	$	(4,879	)	$	(3,223	)

The decrease in corporate operations for the comparable periods was due primarily to $1,671,000 of interest expense on our Senior Notes in 2013 and an increase in the base management fee of $239,000 as a result of an increase in the outstanding equity that is subject to the fee.

State income taxes were $17,000 and $6,000 for the three months ended March 31, 2013 and 2012, respectively, due primarily to our anticipated taxable income for state purposes, after deductions for dividends paid and after the utilization of net operating loss carryforwards, where applicable.

Funds From Operations

We have adopted the revised definition of Funds from Operations (“FFO”), adopted by the Board of Governors of the National Association of Real Estate Investment Trusts (“NAREIT”). Management considers FFO to be an appropriate measure of performance of a REIT. We calculate FFO by adjusting net income (loss) (computed in accordance with GAAP, including non-recurring items), for gains (or losses) from sales of properties, real estate related depreciation and amortization, and adjustment for unconsolidated partnerships and ventures and impairments. Management believes that in order to facilitate a clear understanding of our historical operating results, FFO should be considered in conjunction with net income as presented in the consolidated financial statements included elsewhere herein. Management considers FFO to be a useful measure for reviewing our comparative operating and financial performance because, by excluding gains and losses related to sales of previously depreciated operating real estate assets and excluding real estate asset depreciation and amortization (which can vary among owners of identical assets in similar condition based on historical cost accounting and useful life estimates), FFO can help one compare the operating performance of a company’s real estate between periods or as compared to different companies.

Our calculation of FFO may not be directly comparable to FFO reported by other REITs or similar real estate companies that have not adopted the term in accordance with the current NAREIT definition or that interpret the current NAREIT definition differently. FFO is not a GAAP financial measure and should not be considered as an alternative to net income (loss), the most directly comparable financial measure of our performance calculated and presented in accordance with GAAP, as an indication of our performance. FFO does not represent cash generated from operating activities determined in accordance with GAAP and is not a measure of liquidity or an indicator of our ability to pay dividends. We believe that to further understand our performance, FFO should be compared with our reported net income and considered in addition to cash flows in accordance with GAAP, as presented in our consolidated financial statements.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

Based on the October 31, 2011 and January 6, 2012 updated guidance on reporting FFO, we have excluded impairment losses on depreciable real estate as well as other-than-temporary impairment on real estate equity method joint ventures in the calculations of FFO and have restated prior period calculations to be consistent with this presentation. The other-than-temporary impairments have been excluded as they relate to decreases in the fair value of depreciable real estate held by the investee.

The following presents a reconciliation of net income to funds from operations for the three months ended March 31, 2013 and 2012 (in thousands, except per share amounts):

	2013			2012
Basic
Net income attributable to Winthrop Realty Trust	$	13,746		$	8,253
Real estate depreciation		3,263			2,515
Amortization of capitalized leasing costs		1,977			1,204
Trust’s share of real estate depreciation and amortization of unconsolidated interests		2,623			3,662
Gain on sale of real estate		(2,775	)		—
Loss on sale of equity investments		110			46
Less: Non-controlling interest share of depreciation and amortization		(243	)		(732	)
Funds from operations attributable to the Trust		18,701			14,948
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
FFO applicable to Common Shares - Basic	$	15,912		$	14,023
Weighted-average Common Shares		33,027			33,052
FFO Per Common Share - Basic	$	0.48		$	0.42
Diluted
Funds from operations attributable to the Trust	$	18,701		$	14,948
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
FFO applicable to Common Shares	$	15,912		$	14,023
Weighted-average Common Shares		33,027			33,052
Stock options		2			—
Restricted shares		51			—
Diluted weighted-average Common Shares		33,080			33,052
FFO Per Common Share - Diluted	$	0.48		$	0.42

43

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

Critical Accounting Policies and Estimates

A summary of our critical accounting policies is included in our Annual Report on Form 10-K for the year ended December 31, 2012.

Recently Issued Accounting Standards

See Item 1 – Note 2.

44

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest Rate Risk

We have exposure to fluctuations in market interest rates. Market interest rates are highly sensitive to many factors beyond our control. Various financial vehicles exist which would allow management to partially mitigate the potential negative effects of interest rate fluctuations on our cash flow and earnings.

Our liabilities include both fixed and variable rate debt. We seek to limit our risk to interest rate fluctuations through match financing on our loan assets as well as through hedging transactions.

The table below presents information about the Trust’s derivative financial instruments at March 31, 2013 (in thousands):

Type	Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value of Cap
Cap	October 2014		1.00	%	$	5,753	$	174	$	1
Cap	May 2013		1.25	%		51,982		196		—
Cap	May 2014		1.75	%		51,982		434		—
Cap	August 2014		0.50	%		12,955		22		6

The fair value of our mortgage loans payable and secured financings, based on discounted cash flows at the current rate at which similar loans would be made to borrowers with similar credit ratings for the remaining term of such debt, was less than its carrying value by $9,106,000 and $9,319,000 at March 31, 2013 and December 31, 2012, respectively. The fair value of our Senior Notes, based on quoted market prices, was greater than its carrying value by $3,450,000 and $2,933,000 at March 31, 2013 and December 31, 2012, respectively.

The following table shows what the annual effect a change in the LIBOR rate would have on interest expense based upon the unhedged balances in variable rate debt at March 31, 2013 (in thousands):

	Change in LIBOR(2)
	-0.20%			1%		2%		3%
Change in consolidated interest expense	$	(67	)	$	288	$	403	$	568
Pro-rata share of change in interest expense of debt on non-consolidated entities (1)		(24	)		456		2,169		3,949
(Increase) decrease in net income	$	(91	)	$	744	$	2,572	$	4,517

(1) Represents our pro-rata share of a change in interest expense in our Marc Realty, Sealy and 701 Seventh equity investments.

(2) The one-month LIBOR rate at March 31, 2013 was 0.2037%.

45

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

The Trust’s equity investment in Vintage, which is reported on a 30 day lag, holds floating rate debt of approximately $171,478,000 and bears interest at a rate indexed to the Securities Industry and Financial Markets Association Municipal Swap Index (SIFMA). The following table shows what the annual effect a change in the SIFMA rate would have on property level interest expense based upon the unhedged balances in variable rate debt at February 28, 2013 (in thousands):

	Change in SIFMA (1)
	-0.11%			1%		2%		3%
Change in consolidated interest expense	$	—		$	—	$	—	$	—
Pro-rata share of change in interest expense on Vintage debt		(105	)		952		1,903		2,855
(Increase) decrease in net income	$	(105	)	$	952	$	1,903	$	2,855

(1) The one-month SIFMA rate at February 28, 2013 was 0.11%.

We may utilize various financial instruments to mitigate the potential negative impact of interest rate fluctuations on our cash flows and earnings, including hedging strategies, depending on our analysis of the interest rate environment and the costs and risks of such strategies.

The following table shows what the annual effect a change in the LIBOR rate would have on interest income based upon our variable rate loan assets March 31, 2013 (in thousands):

	Change in LIBOR (1)
	-0.20%			1%		2%		3%
Change in consolidated interest income	$	(4	)	$	220	$	531	$	906
Pro-rata share of change in interest income of loan assets in non-consolidated entities		(20	)		100		200		300
Increase (decrease) in net income	$	(24	)	$	320	$	731	$	1,206

(1) The one-month LIBOR rate at March 31, 2013 was 0.2037%.

Market Value Risk

Our hedge transactions using derivative instruments also involve certain additional risks such as counterparty credit risk, the enforceability of hedging contracts and the risk that unanticipated and significant changes in interest rates will cause a significant loss of basis in the contract. We believe that there is a low likelihood that these counterparties will fail to meet their obligations. There can be no assurance that we will adequately protect against the foregoing risks.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

ITEM 4. CONTROLS AND PROCEDURES

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our reports filed with the SEC 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 our management, including our Chief Executive Officer (CEO) and Chief Financial Officer (CFO), as appropriate, to allow timely decisions regarding required disclosure.

As of March 31, 2013 an evaluation was performed under the supervision and with the participation of our management, including the CEO and CFO, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) under the Securities Exchange Act of 1934). Based on that evaluation, our management, including the CEO and CFO, concluded that our disclosure controls and procedures were effective as of March 31, 2013.

Other Matters

There have been no changes in our internal controls over financial reporting during the most recent quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

47

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

PART II. OTHER INFORMATION

ITEM 6. EXHIBITS

Exhibits required by Item 601 of Regulation S-K are filed herewith or incorporated herein by reference and are listed in the attached Exhibit Index.

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

SIGNATURES

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

	Winthrop Realty Trust
Date: May 7, 2013	By:	/s/ Michael L. Ashner
		Michael L. Ashner
		Chief Executive Officer
Date: May 7, 2013	By:	/s/ John A. Garilli
		John A. Garilli
		Chief Financial Officer
		(Principal Financial Officer and Principal Accounting Officer)

49

WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

EXHIBIT INDEX

Exhibit	Description	Page Number
3.1	Second Amended and Restated Declaration of Trust as of May 21, 2009 - Incorporated by reference to Exhibit 3.1 to the Trust’s Quarterly Report on Form 10-Q for the period ended June 30, 2009.	-
3.2	By-laws of Winthrop Realty Trust as amended and restated on November 3, 2009 - Incorporated by reference to Exhibit 3.1 to the Trust’s Current Report on Form 8-K filed November 6, 2009.	-
3.3	Amendment to By-laws - Incorporated by reference to Exhibit 3.1 to the Trust’s Current Report on Form 8-K filed March 6, 2010.	-
4.1	Form of certificate for Common Shares of Beneficial Interest. Incorporated by reference to Exhibit 4.1 to the Trust’s Annual Report on Form 10-K for the year ended December 31, 2008.	-
4.2	Agreement of Limited Partnership of WRT Realty L.P., dated as of January 1, 2005 - Incorporated by reference to Exhibit 4.1 to the Trust’s Form 8-K filed January 4, 2005.	-
4.3	Amendment No. 1 to Agreement of Limited Partnership of WRT Realty, L.P., dated as of December 1, 2005 incorporated by reference to Exhibit 4.4 to the Trust’s Form 10-K filed March 15, 2012.	-
4.4	Amendment No. 2 to Agreement of Limited Partnership of WRT Realty, L.P., dated as of November 28, 2011 – Incorporated by reference to the Trust’s Form 8-K filed November 28, 2011.	-
4.5	Amendment No. 3 to Agreement of Limited Partnership of WRT Realty, L.P., dated as of March 23, 2012 – Incorporated by reference to the Trust’s Form 8-K filed March 23, 2012
4.6	Amended and restated Certificate of Designations of 9.25% Series D Cumulative Redeemable Preferred Shares of Beneficial Interest - Incorporated by reference to the Trust’s Form 8-K filed March 23, 2012.	-
4.7	Form of Specimen Certificate for the 9.25% Series D Cumulative Redeemable Preferred Shares of Beneficial Interest - Incorporated by reference to Exhibit 4.2 to Trust’s Form 8-A filed with the Securities and Exchange Commission on November 23, 2011.	-
4.8	Indenture, dated August 6, 2012 between the Trust and The Bank of New York Mellon, as trustee – Incorporated by reference to the Exhibit 4.1 to the Trust’s Form 8-K filed August 9, 2012.	-
4.9	First Supplemental Indenture, dated August 15, 2012, between the Trust and the Bank of New York Mellon, as trustee and collateral agent – Incorporated by reference to Exhibit 4.1 of the Trust’s Form 8-K filed August 15, 2012.	-
10.1	Stock Purchase Agreement between the Trust and FUR Investors, LLC, dated as of November 26, 2003, including Annex A thereto, being the list of Conditions to the Offer - Incorporated by reference to Exhibit 10.1 to the Trust’s Form 8-K filed December 1, 2003.	-
10.2	Second Amended and Restated Advisory Agreement dated March 5, 2009, between the Trust, WRT Realty L.P. and FUR Advisors LLC. Incorporated by reference to Exhibit 10.3 to the Trust’s Annual Report on Form 10-K for the year ended December 31, 2008.	-

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WINTHROP REALTY TRUST

FORM 10-Q MARCH 31, 2013

10.3	Amendment No. 1 to Second Amended and Restated Advisory Agreement - Incorporated by reference to Exhibit 10.30 to the Trust’s Quarterly Report on Form 10-Q for the period ended March 31, 2009.	-
10.4	Amendment No. 2 to Second Amended and Restated Advisory Agreement - Incorporated by reference to Exhibit 10.1 to the Trust’s Form 8-K filed January 29, 2010.	-
10.5	Amendment No. 3 to Second Amended and Restated Advisory Agreement - Incorporated by reference to Exhibit 10.1 to the Trust’s Form 8-K filed March 2, 2012.	-
10.6	Exclusivity Services Agreement between the Trust and Michael L. Ashner - Incorporated by reference to Exhibit 10.4 to the Trust’s Form 8-K filed December 1, 2003.	-
10.7	Amendment No. 1 to Exclusivity Agreement, dated November 7, 2005 - Incorporated by reference to Exhibit 10.7 to the Trust’s Form 8-K filed November 10, 2005.	-
10.8	Covenant Agreement between the Trust and FUR Investors, LLC - Incorporated by reference to Exhibit 10.5 to the Trust’s Form 8-K filed December 1, 2003.	-
10.9	Amended and Restated Omnibus Agreement, dated March 16, 2005, among Gerald Nudo, Laurence Weiner and WRT Realty L.P. - Incorporated by reference to Exhibit 10.1 to the Trust’s Form 8-K filed March 18, 2005.	-
10.10	Agreement, dated as of July 1, 2009, among Gerald Nudo, Laurence Weiner and WRT Realty L.P. Incorporated by reference to Exhibit 10.14 to the Trust’s Form 10-Q for the period ended June 30, 2009 filed August 10, 2009.	-
10.11	Winthrop Realty Trust 2007 Long Term Stock Incentive Plan - Incorporated by reference to the Trust’s Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on March 30, 2007.	-
10.12	Amended and Restated Loan Agreement, dated as of March 3, 2011, between WRT Realty L.P. and KeyBank, National Association. – Incorporated by reference to Exhibit 10.19 to the Trust’s 10-K filed March 16, 2011.	-
10.13	Guaranty from Winthrop Realty Trust and certain of its Subsidiaries in favor of KeyBank, National Association. – Incorporated by reference to Exhibit 10.20 to the Trust’s 10-K filed March 16, 2011.	-
31	Certifications Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	(1)
32	Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.	(1)
101.INS	XBRL Report Instance Document	(2)
101.SCH	XBRL Taxonomy Extension Schema Document	(2)
101.CAL	XBRL Taxonomy Calculation Linkbase Document	(2)
101.LAB	XBRL Taxonomy Label Linkbase Document	(2)
101.PRE	XBRL Presentation Label Linkbase Document	(2)
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document	(2)

(1) filed herewith

51

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FORM 10-Q MARCH 31, 2013

(2) The XBRL related information was previously furnished with the Registrant’s Form 10-Q for the quarter ended March 31, 2013 and is not deemed “filed” for purposes of Section 11 or 12 of the Securities Act of 1933, as amended (the “Securities Act”), or Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of those sections, and is not part of any registration statement to which it may relate, and is not incorporated by reference into any registration statement or other document filed under the Securities Act or the Exchange Act, except as set forth by specific reference in such filing or document.

52

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Michael L. Ashner, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Winthrop Realty 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)) 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 changes in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter, 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 directors (or persons performing the equivalent functions):

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

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

Date: May 7, 2013	/s/ Michael L. Ashner
	Michael L. Ashner
	Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, John A. Garilli, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Winthrop Realty 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)) 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 changes in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter, 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 directors (or persons performing the equivalent functions):

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

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

Date: May 7, 2013	/s/ John A. Garilli
	John A. Garilli
	Chief Financial Officer
	(Principal Financial Officer and Principal Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Winthrop Realty Trust (“the Company”) for the three months ended March 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael L. Ashner, Chief Executive Officer, certify, pursuant to 18 U.S.C. section 1350, as adopted, pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

By:	/s/ Michael L. Ashner
Name:	Michael L. Ashner
	Chief Executive Officer

May 7, 2013

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Winthrop Realty Trust (“the Company”) for the three months ended March 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John A. Garilli, Chief Financial Officer, certify, pursuant to 18 U.S.C. section 1350, as adopted, pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

By:	/s/ John A. Garilli
Name:	John A. Garilli
	Chief Financial Officer
	(Principal Financial Officer and Principal Accounting Officer)

May 7, 2013

XML

Organization (Details)	3 Months Ended
	Mar. 31, 2013 Category
Organization (Textual) [Abstract]
Percentage of limited partnership interest in operating partnership	100.00%
Number of specific areas of real estate related assets	3

XML

Loans Receivable (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest, dividend and discount accretion income
Interest on loan assets	$ 4,454	$ 2,399
Accretion of loan discount	716	2,833
Interest and dividends on REIT securities	150	286
Total interest, dividends, and discount accretion	$ 5,320	$ 5,518

XML

Acquisitions, Dispositions, Leasing and Financing Activities (Details) (USD $)	Mar. 31, 2013	Feb. 01, 2013 1515 Market Street [Member]	Feb. 01, 2013 Lease Intangibles [Member] 1515 Market Street [Member]	Mar. 31, 2013 Above market lease intangibles [Member]	Feb. 01, 2013 Above market lease intangibles [Member] 1515 Market Street [Member]	Mar. 31, 2013 Below market lease intangibles [Member]	Feb. 01, 2013 Below market lease intangibles [Member] 1515 Market Street [Member]
The allocation of the aggregate purchase price
Land		$ 18,627,000
Building		23,159,000
Other improvements		73,000
Tenant improvements		1,407,000
Lease intangibles	17,810,000		14,943,000	2,867,000	2,867,000	(620,000)	(620,000)
Net working capital acquired		1,132,000
Other liabilities		(1,299,000)
Long Term liabilities assumed		(60,279,000)
Net assets acquired		$ 10,000

XML

Revolving Line of Credit (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Revolving Line of Credit (Textual) [Abstract]
Line of credit facility, maximum borrowing capacity	$ 50,000,000
Interest rate, description	LIBOR plus 3%
Line of credit facility basis spread on variable rate	3.00%
Line of credit facility, expiration date	Mar. 03, 2014
Line of credit facility extended maturity date	Mar. 03, 2015
Line of credit facility, amount outstanding	0		0
Line of credit facility, commitment fee amount	$ 43,000	$ 19,000

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Loans Receivable (Details 3) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013 Number	Dec. 31, 2012 Number
Loans receivable by internal credit rating
Number of loans	15	18
Carrying Value of Loans Receivable	$ 130,212,000	$ 211,250,000
Greater than zero [Member]
Loans receivable by internal credit rating
Number of loans	14	18
Carrying Value of Loans Receivable	119,889,000	211,250,000
Equal to zero [Member]
Loans receivable by internal credit rating
Number of loans	1
Carrying Value of Loans Receivable	10,323,000
Less than zero [Member]
Loans receivable by internal credit rating
Number of loans
Carrying Value of Loans Receivable

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Commitments and Contingencies (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Commitments and Contingencies (Textual) [Abstract]
Expire date of ground lease	Jun. 01, 2053
Ground Lease [Member]
Property, Plant and Equipment [Line Items]
Future funding commitments	45,104,000
Ground Lease Commitments, 2013	970,742
Ground Lease Commitments, 2014	1,405,000
Ground Lease Commitments, 2015	1,463,000
Ground Lease Commitments, 2016	1,592,000
Ground Lease Commitments, 2017	1,656,000
Ground Lease Commitments, Thereafter	109,419,000

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Fair Value Measurements (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Assets
Fair Value at March 31, 2013	$ 11
Amount Due Upon Maturity	1,130
Difference	1,119
Loan securities carried at fair value [Member]
Assets
Fair Value at March 31, 2013	11
Amount Due Upon Maturity	1,130
Difference	$ 1,119

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Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt/Senior Notes Payable [Abstract]

Mortgage loans payable

Location of Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31, 2013			March 31, 2013		December 31,  2012
Amherst, NY	Oct 2013	—		5.65	%	$	15,104	$	15,225
Memphis, TN	Aug 2014	Libor + 2.5%(1)		3.00	%		13,337		13,408
Lisle, IL	Oct 2014	Libor + 2.5%(2)		2.71	%		5,752		5,752
Chicago, IL	Apr 2015	—		6.25	%		8,700		8,700
Chicago, IL	Mar 2016	—		5.75	%		20,112		20,200
Houston, TX	Apr 2016	—		6.12	%		50,896		52,052
New York, NY	May 2016	Libor + 2.5%(3)		3.50	%		51,982		51,982
Greensboro, NC	Aug 2016	—		6.22	%		15,039		15,139
Lisle, IL	Mar 2017	—		5.55	%		5,524		5,543
Cerritos, CA	Jan 2017	—		5.07	%		23,174		23,184
Orlando, FL	Jul 2017	—		6.40	%		37,426		37,580
Plantation, FL	Apr 2018	—		6.48	%		10,778		10,811
Meriden, CT	Oct 2022	—		3.95	%		21,000		21,000
						$	278,824	$	280,576

(1) The loan has a LIBOR floor of 0.5% and an interest rate cap which caps LIBOR at 0.5%.

(2) The loan has an interest rate cap which caps LIBOR at 1%.

(3) The loan has a LIBOR floor of 1%.

Non-recourse secured financings

						Carrying Value
Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31,  2013			March 31, 2013		December 31,  2012
Hotel Wales Loan	Oct. 2013	LIBOR plus 1.25%(1)		4.25	%	$	14,000	$	14,000
San Marbeya Loan	Jan. 2015	—		4.85	%		15,150		15,150
						$	29,150	$	29,150

(1) The loan has a LIBOR floor of 3%.

Recourse secured financings

						Carrying Value
Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31, 2013			March 31, 2013		December 31,  2012
Queensridge Loan	Nov. 2014	LIBOR plus 4%		4.20	%	$	13,653	$	23,770
						$	13,653	$	23,770

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Related-Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Fees and reimbursements paid by the Trust
Fees and reimbursements paid by the Trust	$ 2,679	$ 2,143
Base Asset Management [Member]
Fees and reimbursements paid by the Trust
Fees and reimbursements paid by the Trust	2,266	2,027
Property Management [Member]
Fees and reimbursements paid by the Trust
Fees and reimbursements paid by the Trust	282	116
Construction Management [Member]
Fees and reimbursements paid by the Trust
Fees and reimbursements paid by the Trust	$ 131

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Derivative Financial Instruments (Details 1) (Not Designated as Hedging Instrument [Member], Interest rate caps [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
1.25% Strike Rate Derivatives [Member]
Trust's interest rate swap
Derivative Maturity Period	May 01, 2013
Strike Rate	1.25%
Notional Amount of Hedge	$ 51,982
Cost of Hedge	196
Estimated Fair Value
Change in Cap Valuations Included in Interest Expense
1.75% Strike Rate Derivatives [Member]
Trust's interest rate swap
Derivative Maturity Period	Aug. 01, 2014
Strike Rate	1.75%
Notional Amount of Hedge	51,982
Cost of Hedge	434
Estimated Fair Value
Change in Cap Valuations Included in Interest Expense
1.00% Strike Rate Derivatives [Member]
Trust's interest rate swap
Derivative Maturity Period	Oct. 01, 2014
Strike Rate	1.00%
Notional Amount of Hedge	5,754
Cost of Hedge	174
Estimated Fair Value	1
Change in Cap Valuations Included in Interest Expense

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Securities Carried at Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
REIT Common shares [Member]
Securities carried at fair value
Cost	$ 8,920	$ 15,876
Fair Value	12,220	19,694
Loan securities [Member]
Securities carried at fair value
Cost	161	161
Fair Value	11	11
Securities Carried at Fair Value Total [Member]
Securities carried at fair value
Cost	9,081	16,037
Fair Value	$ 12,231	$ 19,705

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Non-controlling Interests (Details Textual) (USD $)	3 Months Ended			1 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Westheimer [Member]	Mar. 29, 2012 Deer Valley Operating Property [Member]	Mar. 31, 2013 Houston, Texas Operating Property [Member]
Non-controlling Interests (Textual) [Abstract]
Percentage of non-controlling ownership interest			31.00%	3.50%	1.00%
Investment in equity investments	$ 13,000	$ 23,835,000		$ 400,000	$ 75,000
Purchase price accounting, carrying value of the acquired non-controlling interest				192,000	127,000
Purchase price accounting, adjustments in paid-in capital				$ 208,000	$ 52,000

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Reportable Segments (Details) (USD $) In Thousands, unless otherwise specified					3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Reportable Segment [Member]	Dec. 31, 2012 Reportable Segment [Member]
Summary of assets by business segment
Operating properties					$ 611,962	$ 562,822
Loan assets					157,248	239,534
REIT securities					12,220	19,694
Cash and cash equivalents	131,448	97,682	79,526	40,952	131,448	97,682
Restricted cash	15,821	13,250			2,786
Accounts receivable and prepaids					431	336
Deferred financing costs					2,982	3,095
TOTAL ASSETS	919,077	923,163			919,077	923,163
Capital Expenditures
Operating Properties					$ 502	$ 12,417

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Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Results for discontinued operations
Revenues	$ 275	$ 747
Operating expenses	(71)	(285)
Interest expense		(65)
Depreciation and amortization	(66)	(182)
Gain on sale of assets	2,775
Income from discontinued operations	$ 2,913	$ 215

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Senior Notes Payable (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Aug. 31, 2012
Senior Notes Payable (Textual) [Abstract]
Senior notes payable	$ 86,250,000	$ 86,250,000	$ 86,250,000
Senior notes issued percentage			7.75%
Senior notes issue price			100.00%
Net proceeds	$ 83,228,000
Maturity period of the assumed debt	Aug. 15, 2022
Notes interest rate	7.75%
Redemption price of notes	100.00%

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Subsequent Events

3 Months Ended

Mar. 31, 2013

Subsequent Events [Abstract]

Subsequent Events

18. Subsequent Events

On April 25, 2013, the entity that holds title to the property located at 1515 Market Street in Philadelphia, Pennsylvania (the “1515 Market Owner”) obtained a $43,000,000 non-recourse first mortgage loan (“First Mortgage”) from an unaffiliated third party. The First Mortgage bears interest at LIBOR plus 2.0% per annum, requires monthly payments of interest only and matures on May 1, 2016. On the same date, the Trust entered into an interest rate swap agreement which effectively fixes LIBOR at 0.50% for the term of the First Mortgage. The Trust, which held the mortgage loan (“Original Mortgage”) collateralized by the property at the time of the closing of the First Mortgage, received $38,472,000 of loan proceeds from the First Mortgage financing which reduced the balance on the Original Mortgage to $33,157,000. The Original Mortgage is now subordinate to the First Mortgage, bears interest at an effective rate of 12.9% per annum and is secured by a second mortgage on the property. The Trust’s investment in the Original Mortgage has been reduced to $21,098,000 resulting in an effective interest rate on the Trust’s cash investment in this asset of 19.6%. Due to the Trust’s ownership of a 49% interest, including the general partner interest, in the 1515 Market Owner and an additional 40% profits participation interest in the property, the Trust consolidates 1515 Market and the Original Mortgage, and all intercompany transactions, are eliminated in consolidation. See Note 4 for additional information on the Original Mortgage.

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Acquisitions, Dispositions, Leasing and Financing Activities (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
The accompanying unaudited pro forma information
Total revenue	$ 21,430	$ 20,104
Consolidated net income	12,919	7,815
Net income attributable to Winthrop Realty Trust	$ 13,987	$ 8,691
Per common share data - basic	$ 0.34	$ 0.23
Per common share data - diluted	$ 0.34	$ 0.23

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Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Assets measured at fair value on a recurring basis	$ 12,238	$ 19,713
Securities carried at fair value [Member]
Assets
Assets measured at fair value on a recurring basis	12,220	19,694
Loan securities carried at fair value [Member]
Assets
Assets measured at fair value on a recurring basis	11	11
Interest rate caps [Member]
Assets
Assets measured at fair value on a recurring basis	7	8
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets
Assets measured at fair value on a recurring basis	12,220	19,694
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Securities carried at fair value [Member]
Assets
Assets measured at fair value on a recurring basis	12,220	19,694
Significant Other Observable Inputs (Level 2) [Member]
Assets
Assets measured at fair value on a recurring basis	7	8
Significant Other Observable Inputs (Level 2) [Member] | Interest rate caps [Member]
Assets
Assets measured at fair value on a recurring basis	7	8
Significant Unobservable Inputs (Level 3) [Member]
Assets
Assets measured at fair value on a recurring basis	11	11
Significant Unobservable Inputs (Level 3) [Member] | Loan securities carried at fair value [Member]
Assets
Assets measured at fair value on a recurring basis	$ 11	$ 11

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Non-controlling Interests (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Schedule of changes in the Trust's ownership interest in the subsidiaries
Net income attributable to Winthrop Realty Trust	$ 13,746	$ 8,253
Increase (decrease) in Winthrop Realty Trust paid in capital adjustments from transaction with non-controlling interests	52	(208)
Changes from net income attributable to Winthrop Realty Trust and transfers from non-controlling interests	$ 13,798	$ 8,045

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Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2013

Related-Party Transactions [Abstract]

Fees and reimbursements paid by the Trust

	For the Three Months Ended
	March 31, 2013		March 31, 2012
Base Asset Management	$	2,266	$	2,027
Property Management		282		116
Construction Management		131		—
	$	2,679	$	2,143

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Loans Receivable (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Summary of Trust's loans receivable
Loans receivable, net	$ 130,212,000	$ 211,250,000
Hotel Wales [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	LIBOR + 4.0%
Interest rate on mortgage loans	4.00%
Loans receivable, net	20,101,000	20,101,000
Contractual maturity date	Oct. 05, 2013
Renaissance Walk [Member] | Mezzanine [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	LIBOR + 12.0%
Interest rate on mortgage loans	12.00%
Loans receivable, net	3,000,000	3,000,000
Contractual maturity date	Jan. 01, 2014
Fenway Shea [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	12.0%
Interest rate on mortgage loans	12.00%
Loans receivable, net	2,273,000	2,273,000
Contractual maturity date	Apr. 05, 2014
The Shops At Wailea [Member] | B Note [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	6.15%
Interest rate on mortgage loans	6.15%
Loans receivable, net	5,573,000	5,376,000
Contractual maturity date	Oct. 06, 2014
Legacy Orchard [Member] | Corporate Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	15.0%
Interest rate on mortgage loans	15.00%
Loans receivable, net	9,750,000	9,750,000
Contractual maturity date	Oct. 31, 2014
Queensridge [Member]
Summary of Trust's loans receivable
Loans receivable, net	28,976,000
Queensridge [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	LIBOR + 11.5%
Interest rate on mortgage loans	11.50%
Loans receivable, net	28,976,000	39,170,000
Contractual maturity date	Nov. 15, 2014
San Marbeya [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	5.88%
Interest rate on mortgage loans	5.88%
Loans receivable, net	27,323,000	27,149,000
Contractual maturity date	Jan. 01, 2015
Playa Vista [Member] | Mezzanine [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	LIBOR + 14.25%
Interest rate on mortgage loans	14.25%
Loans receivable, net	10,323,000
Contractual maturity date	Jan. 23, 2015
Churchill [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	LIBOR + 3.75%
Interest rate on mortgage loans	3.75%
Loans receivable, net	687,000	683,000
Contractual maturity date	Jun. 01, 2015
Rockwell [Member] | Mezzanine [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	12.0%
Interest rate on mortgage loans	12.00%
Loans receivable, net	342,000	323,000
Contractual maturity date	May 01, 2016
500-512 7th Avenue [Member] | B Note [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	7.19%
Interest rate on mortgage loans	7.19%
Loans receivable, net	10,013,000	10,009,000
Contractual maturity date	Jul. 11, 2016
Pinnacle II [Member] | B Note [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	6.31%
Interest rate on mortgage loans	6.31%
Loans receivable, net	4,648,000	4,652,000
Contractual maturity date	Sep. 06, 2016
Popiu Shopping Village [Member] | B Note [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	6.62%
Interest rate on mortgage loans	6.62%
Loans receivable, net	1,972,000	1,948,000
Contractual maturity date	Jan. 06, 2017
Wellington Tower [Member] | Mezzanine [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	6.79%
Interest rate on mortgage loans	6.79%
Loans receivable, net	2,719,000	2,687,000
Contractual maturity date	Jul. 11, 2017
Mentor Building [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Mortgage Loans, Stated Interest Rate, Variable Rate Basis	10.0%
Interest rate on mortgage loans	10.00%
Loans receivable, net	2,512,000	2,512,000
Contractual maturity date	Sep. 10, 2017
1515 Market [Member] | Whole Loan [Member]
Summary of Trust's loans receivable
Loans receivable, net		58,650,000
127 West 25th Street [Member] | Mezzanine [Member]
Summary of Trust's loans receivable
Loans receivable, net		8,687,000
180 N. Michigan [Member] | Mezzanine [Member]
Summary of Trust's loans receivable
Loans receivable, net		5,237,000
The Disney Building [Member] | B Note [Member]
Summary of Trust's loans receivable
Loans receivable, net		$ 9,043,000

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Debt (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Secured financings
Loan bears interest, description of variable rate basis	LIBOR plus 3%
Non-Recourse Secured Financing [Member]
Secured financings
Non-recourse secured financings	$ 29,150	$ 29,150
Hotel Wales Loan [Member] | Non-Recourse Secured Financing [Member]
Secured financings
Maturity	Oct. 2013
Loan bears interest, description of variable rate basis	LIBOR plus 1.25%
Interest rate	4.25%
Non-recourse secured financings	14,000	14,000
San Marbeya Loan [Member] | Non-Recourse Secured Financing [Member]
Secured financings
Maturity	Jan. 2015
Loan bears interest, description of variable rate basis
Interest rate	4.85%
Non-recourse secured financings	$ 15,150	$ 15,150

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Equity Investments (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 131,448	$ 97,682	$ 79,526	$ 40,952
TOTAL ASSETS	919,077	923,163
LIABILITIES AND MEMBERS' CAPITAL
TOTAL LIABILITIES AND EQUITY	919,077	923,163
Vintage Housing LLC [Member]
ASSETS
Real estate, net	343,907	340,666
Cash and cash equivalents	6,642	6,555
Receivables and other assets	71,365	68,559
TOTAL ASSETS	421,914	415,780
LIABILITIES AND MEMBERS' CAPITAL
Mortgage and notes payable	300,686	298,654
Other liabilities	54,572	53,687
Non-controlling interests	17,946	15,997
Members' Capital	48,710	47,442
TOTAL LIABILITIES AND EQUITY	421,914	415,780
Carrying value of the Trust's investment in Vintage Housing	$ 31,801	$ 30,534

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Fair Value Measurements (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Fair Value Measurements (Textual) [Abstract]
Transfers between Level 1 and Level 2 fair value assets	$ 0	$ 0
Transfers between Level 1 and Level 2 fair value liabilities	0	0
Loan securities carried at fair value	11,000		11,000
Loan security face value	1.00%
Net unrealized gains	$ 1,718,000	$ 5,096,000

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial statements and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements, although management believes that the disclosures presented herein are adequate to make the accompanying unaudited consolidated interim financial statements not misleading. The accompanying unaudited consolidated interim financial statements should be read in conjunction with the audited consolidated annual financial statements and the notes thereto included in Winthrop’s Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC. In the opinion of management, all adjustments considered necessary for fair statements have been included, and all such adjustments are of a normal recurring nature. The results of operations for the three months ended March 31, 2013 are not necessarily indicative of the operating results for the full year.

The accompanying unaudited consolidated financial statements represent the consolidated results of Winthrop, its wholly-owned taxable REIT subsidiary, WRT-TRS Management Corp., the Operating Partnership and all majority-owned subsidiaries and affiliates over which the Trust has financial and operating control and variable interest entities (“VIE”s) in which the Trust has determined it is the primary beneficiary. All significant intercompany balances and transactions have been eliminated in consolidation. The Trust accounts for all other unconsolidated joint ventures using the equity method of accounting. Accordingly, the Trust’s share of the earnings of these joint ventures and companies is included in consolidated net income.

Reclassifications

Certain prior year balances of accounts receivable have been reclassified to accrued rental income in order to conform to the current year presentation. Discontinued operations for all periods presented in the Consolidated Statements of Operations include the operations of the Trust’s office property in Andover, Massachusetts which was disposed of in March 2013 and the Trust’s retail property in Memphis, Tennessee and its office property in Indianapolis, Indiana, both of which were disposed of in September 2012.

Earnings Per Share

The Trust determines basic earnings per share on the weighted average number of Common Shares outstanding during the period and reflects the impact of participating securities. The Trust computes diluted earnings per share based on the weighted average number of Common Shares outstanding combined with the incremental weighted average effect from all outstanding potentially dilutive instruments.

The Trust has calculated earnings per share in accordance with relevant accounting guidance for participating securities and the two class method. The reconciliation of earnings attributable to Common Shares outstanding for the basic and diluted earnings per share calculation is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2013			2012
Basic
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Basic	$	0.33		$	0.22
Diluted
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Stock options (1)		2			—
Restricted shares (2)		51			—
Diluted weighted-average Common Shares		33,080			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Diluted	$	0.33		$	0.22

(1) The Trust’s outstanding stock options were dilutive for the three months ended March 31, 2013 and 2012. The weighted-average stock options for the three months ended March 31, 2012 was less than one thousand shares.

(2) The Trust’s restricted stock was dilutive for the three months ended March 31, 2013.

For the quarter ended March 31, 2013 the Trust paid a regular quarterly dividend of $0.1625 per Common Share and a regular quarterly dividend of $0.578125 per Series D Preferred Share.

Recently Issued Accounting Standards

On February 5, 2013, FASB issued ASU No. 2013-02: Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income, to improve the transparency of reporting the reclassifications of significant amounts out of accumulated other comprehensive income. This guidance requires entities to present the effects on the line items of net income of significant reclasses from accumulated other comprehensive income, either where net income is presented or in the notes, as well as cross-reference to other disclosures currently required under U.S. GAAP for other reclassification items (that are not required under U.S. GAAP) to be reclassified directly to net income in their entirety in the same reporting period. The new disclosure requirements will be effective for annual reporting periods beginning on or after January 1, 2013. The new disclosures will be required for both interim and annual reporting. The Trust has evaluated this new guidance and its adoption did not have a material impact on its consolidated financial statements.

On December 16, 2011, FASB issued ASU No. 2011-11: Balance Sheet (Topic 210)—Disclosures about Offsetting Assets and Liabilities, clarified by ASU No. 2013-1, which requires entities to disclose both gross information and net information about both instruments and transactions eligible for offset in the financial statements particularly for transactions related to derivatives, sale and repurchase agreements and reverse sale and repurchase agreements, and securities borrowing and securities lending arrangements. The new disclosure requirements will be effective for annual reporting periods beginning on or after January 1, 2013. The new disclosures will be required for all prior comparative periods presented. The Trust has evaluated this new guidance and its adoption did not have a material impact on its consolidated financial statements.

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Equity Investments (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Expenses
Real estate taxes	$ 946	$ 1,192
Vintage Housing LLC [Member]
Summarized statements of operations of real estate equity investments
Total revenue	10,579	9,152
Expenses
Operating	4,817	3,704
Real estate taxes	156	169
Interest	453	1,670
Depreciation and amortization	447	2,303
Other expenses	1,352	1,181
Total expenses	7,225	9,027
Net income	3,354	125
(Income) loss attributable to non-controlling interests	(22)	404
Net income attributable to VHH	3,332	529
Trust's share of net income	$ 1,921	$ 339

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Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Change in fair value for financial instruments
Fair value, Ending balance	$ 11
Significant Unobservable Inputs (Level 3) [Member] | Loan Securities Carried at Fair Value [Member]
Change in fair value for financial instruments
Fair value, Beginning balance	11	5,309
Net unrealized gain		164
Sales
Payoff at par
Fair value, Ending balance	11	5,473
The amount of total gains or losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date		$ 164

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Acquisitions, Dispositions, Leasing and Financing Activities (Tables)

3 Months Ended

Mar. 31, 2013

Acquisitions, Dispositions, Leasing and Financing Activities [Abstract]

The allocation of the aggregate purchase price

	1515 Market Street
Land	$	18,627
Building		23,159
Other improvements		73
Tenant improvements		1,407
Lease intangibles		14,943
Above market lease intangibles		2,867
Net working capital acquired		1,132
Below market lease intangibles		(620	)
Other liabilities		(1,299	)
Long Term liabilities assumed		(60,279	)(1)
Net assets acquired	$	10

(1) Long Term liabilities assumed as part of this transaction remain legally outstanding but are eliminated in consolidation with the Trust’s loan asset purchased on December 12, 2012.

Intangible assets acquired and intangible liabilities assumed

				Weighted
				Average
	Carrying			Amortization
	Value			Period (years)
Intangible assets:
In place lease intangibles	$	6,542			6.2
Above market lease intangibles		2,867			5.8
Tenant relationship value		7,388			13.3
Lease commissions, legal and marketing fees		1,013			5.4
Total	$	17,810			9.0
Intangible liabilities:
Below market lease intangibles	$	(620	)		4.2

The accompanying unaudited pro forma information

Pro forma (unaudited) (In thousands, except for per share data)	For the Three Months Ended March 31,
	2013		2012
Total revenue	$	21,430	$	20,104
Consolidated net income		12,919		7,815
Net income attributable to Winthrop Realty Trust		13,987		8,691
Per common share data - basic		0.34		0.23
Per common share data - diluted		0.34		0.23

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Trust assets and liabilities measured at fair value on a recurring basis

Recurring Basis	Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Securities carried at fair value	$	12,220	$	—	$	—	$	12,220
Loan securities carried at fair value		—		—		11		11
Interest rate caps		—		7		—		7
	$	12,220	$	7	$	11	$	12,238

Recurring Basis	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Securities carried at fair value	$	19,694	$	—	$	—	$	19,694
Loan securities carried at fair value		—		—		11		11
Interest rate caps		—		8		—		8
	$	19,694	$	8	$	11	$	19,713

Change in fair value for financial instruments

Loan Securities Carried at Fair Value	Three Months Ended March 31, 2013		Three Months Ended March 31, 2012
Fair value, January 1	$	11	$	5,309
Net unrealized gain		—		164
Sales		—		—
Payoff at par		—		—
Fair value, March 31	$	11	$	5,473
The amount of total gains or losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	$	—	$	164

Carrying value and estimated fair value of financial instruments not recorded at fair value on a recurring basis

	March 31, 2013
	Carrying Amount				Fair value hierarchy level
			Fair Value		Level 1		Level 2		Level 3
Loans receivable	$	130,212	$	143,247		—		—		143,247
Mortgage loans payable		278,824		269,423		—		—		269,423
Senior notes payable		86,250		89,700		89,700		—		—
Secured financings		42,803		43,098		—		—		43,098
Notes payable		1,660		1,660		—		—		1,660
	December 31, 2012
	Carrying Amount				Fair value hierarchy level
			Fair Value		Level 1		Level 2		Level 3
Loans receivable	$	211,250	$	222,246		—		—		222,246
Mortgage loans payable		280,576		270,923		—		—		270,923
Senior notes payable		86,250		89,183		89,183		—		—
Secured financings		52,920		53,253		—		—		53,253
Notes payable		1,676		1,676		—		—		1,676

Trust's financial assets for which the fair value option was elected

Financial Instruments at Fair Value	March 31, 2013		December 31, 2012
Assets
Securities carried at fair value:
REIT common shares	$	12,220	$	19,694
Loan securities carried at fair value		11		11
	$	12,231	$	19,705

Difference between fair values and the aggregate contractual amounts

	Fair Value at March 31, 2013		Amount Due Upon Maturity		Difference
Assets
Loan securities carried at fair value	$	11	$	1,130	$	1,119
	$	11	$	1,130	$	1,119

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Loans Receivable (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items]
Secured financings	$ 42,803,000	$ 52,920,000
Loan receivable	130,212,000	211,250,000
Loans Receivable (Textual) [Abstract]
Loans receivable accrued interest	832,000	1,016,000
Cumulative accretion of loans receivable	3,243,000	2,527,000
Loans receivable, exclusive of interest receivable	6,622,000	9,865,000
Weighted average coupon rate on loans receivable	7.59%	7.65%
Weighted average yield to maturity	11.84%	11.43%
Non recourse secured financings	29,150,000	29,150,000
Non performing loans	0	0
Past due payments	0	0
Provision for loan loss	0
Recourse Secured Financings [Member]
Mortgage Loans on Real Estate [Line Items]
Secured financings	$ 13,653,000	$ 23,770,000
Whole Loan [Member] | Hotel Wales [Member]
Mortgage Loans on Real Estate [Line Items]
Libor floor	3.00%
Whole Loan [Member] | Queensridge [Member]
Mortgage Loans on Real Estate [Line Items]
Libor floor	0.50%
Mezzanine [Member] | Renaissance Walk [Member]
Mortgage Loans on Real Estate [Line Items]
Libor floor	2.00%
Mezzanine [Member] | Playa Vista [Member]
Mortgage Loans on Real Estate [Line Items]
Libor floor	0.50%

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Fair Value Measurements (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Aug. 31, 2012
Carrying value and estimated fair value of financial instruments not recorded at fair value on recurring basis
Loan receivable	$ 130,212	$ 211,250
Mortgage loans payable	278,824	280,576
Senior notes payable	86,250	86,250	86,250
Secured financings	42,803	52,920
Notes payable	1,660	1,676
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Carrying value and estimated fair value of financial instruments not recorded at fair value on recurring basis
Loan receivable
Mortgage loans payable
Senior notes payable	89,700	89,183
Secured financings
Notes payable
Significant Other Observable Inputs (Level 2) [Member]
Carrying value and estimated fair value of financial instruments not recorded at fair value on recurring basis
Loan receivable
Mortgage loans payable
Senior notes payable
Secured financings
Notes payable
Significant Unobservable Inputs (Level 3) [Member]
Carrying value and estimated fair value of financial instruments not recorded at fair value on recurring basis
Loan receivable	143,247	222,246
Mortgage loans payable	269,423	270,923
Senior notes payable
Secured financings	43,098	53,253
Notes payable	1,660	1,676
Fair Value [Member]
Carrying value and estimated fair value of financial instruments not recorded at fair value on recurring basis
Loan receivable	143,247	222,246
Mortgage loans payable	269,423	270,923
Senior notes payable	89,700	89,183
Secured financings	43,098	53,253
Notes payable	$ 1,660	$ 1,676

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Loans Receivable (Tables)

3 Months Ended

Mar. 31, 2013

Loans Receivable [Abstract]

Summary of Trust's loans receivable

			Carrying Amount				Contractual Maturity Date
Description	Loan Position	Stated Interest Rate	March 31, 2013		December 31,  2012
Hotel Wales	Whole Loan	LIBOR + 4.0%(2)	$	20,101	$	20,101		10/05/13
Renaissance Walk	Mezzanine	LIBOR + 12.0%(3)		3,000		3,000		01/01/14
Fenway Shea (1)	Whole Loan	12.0%		2,273		2,273		04/05/14
The Shops at Wailea	B-Note	6.15%		5,573		5,376		10/06/14
Legacy Orchard (1)	Corporate Loan	15.0%		9,750		9,750		10/31/14
Queensridge	Whole Loan	LIBOR + 11.5%(4)		28,976		39,170		11/15/14
San Marbeya	Whole Loan	5.88%		27,323		27,149		01/01/15
Playa Vista	Mezzanine	LIBOR + 14.25%(4)		10,323		—		01/23/15
Churchill (1)	Whole Loan	LIBOR + 3.75%		687		683		06/01/15
Rockwell	Mezzanine	12.0%		342		323		05/01/16
500-512 7th Ave	B-Note	7.19%		10,013		10,009		07/11/16
Pinnacle II	B-Note	6.31%		4,648		4,652		09/06/16
Popiu Shopping Village	B-Note	6.62%		1,972		1,948		01/06/17
Wellington Tower	Mezzanine	6.79%		2,719		2,687		07/11/17
Mentor Building	Whole Loan	10.0%		2,512		2,512		09/10/17
1515 Market	Whole Loan	(5)		—		58,650		(5)
127 West 25th Street	Mezzanine	—		—		8,687		(6)
180 N. Michigan	Mezzanine	—		—		5,237		(6)
The Disney Building	B-Note	—		—		9,043		(7)
			$	130,212	$	211,250

(1) The Trust determined that certain loans receivable are variable interests in VIEs primarily based on the fact that the underlying entities do not have sufficient equity at risk to permit the entity to finance its activities without additional subordinated financial support. The Trust does not have the power to direct the activities of the entity that most significantly impact the entity’s economic performance and is not required to consolidate the underlying entity.

(2) LIBOR floor of 3%.

(3) LIBOR floor of 2%.

(4) LIBOR floor of 0.5%.

(5) This loan was in maturity default at the time of acquisition. The loan was modified on February 1, 2013. See Note 4 – Acquisition, Disposition, Leasing and Financing Activity for details on the modification.

(6) The loans were satisfied during the three months ended March 31, 2013.

(7) The loan was sold during the three months ended March 31, 2013.

Activity related to loans receivable

	Three Months Ended March 31, 2013
Balance at beginning of period	$	211,250
Purchase and advances		22,382
Interest (received) accrued, net		161
Repayments		(43,606	)
Elimination of 1515 Market		(60,691	)
Loan discount accretion		716
Discount accretion received in cash		—
Balance at end of period	$	130,212

Interest, dividend and discount accretion income

	Three Months Ended  March 31, 2013
	2013		2012
Interest on loan assets	$	4,454	$	2,399
Accretion of loan discount		716		2,833
Interest and dividends on REIT securities		150		286
Total interest, dividends, and discount accretion	$	5,320	$	5,518

Loans receivable by internal credit rating

	March 31, 2013				December 31, 2012
Internal Credit Quality	Number of Loans		Carrying Value of Loans Receivable		Number of Loans		Carrying Value of Loans Receivable
Greater than zero		14	$	119,889		18	$	211,250
Equal to zero		1		10,323		—		—
Less than zero		—		—		—		—
		15	$	130,212		18	$	211,250

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Securities Carried at Fair Value (Tables)

3 Months Ended

Mar. 31, 2013

Securities Carried at Fair Value [Abstract]

Securities carried at fair value

	March 31, 2013				December 31, 2012
	Cost		Fair Value		Cost		Fair Value
REIT Common shares	$	8,920	$	12,220	$	15,876	$	19,694
Loan securities		161		11		161		11
	$	9,081	$	12,231	$	16,037	$	19,705

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Organization

3 Months Ended

Mar. 31, 2013

Organization [Abstract]

Organization

1. Organization

Winthrop Realty Trust (“Winthrop”), a real estate investment trust (“REIT”) under Sections 856-860 of the Internal Revenue Code is an unincorporated association in the form of a business trust organized in Ohio under a Declaration of Trust dated August 1, 1961, as amended and restated on May 21, 2009, which has as its stated principal business activity the ownership and management of, and lending to, real estate and related investments.

Winthrop conducts its business through WRT Realty L.P., a Delaware limited partnership (the “Operating Partnership”). Winthrop is the sole general partner of, and owns directly and indirectly, 100% of the limited partnership interest in the Operating Partnership. All references to the “Trust” refer to Winthrop and its consolidated subsidiaries, including the Operating Partnership.

The Trust is engaged in the business of owning real property and real estate related assets which it categorizes into three segments: (i) ownership of investment properties including wholly owned properties and investments in joint ventures which own properties (“operating properties”); (ii) origination and acquisition of loans and debt securities collateralized directly or indirectly by commercial and multi-family real property, including collateral mortgage-backed securities and collateral debt obligation securities (collectively “loan assets”); and (iii) equity and debt interests in other real estate investment trusts (“REIT securities”).

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Equity Investments (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Equity Method Investments [Line Items]

Trust's carrying amounts in its equity investments

Venture Partner	Equity Investment	Nominal % Ownership at March 31, 2013			March 31, 2013		December 31, 2012
VHH LLC (1)	Vintage Housing LLC		75.0	%	$	31,801	$	30,534
Elad Canada Ltd	WRT-Elad One South State Equity LP		50.0	%		—		460
Elad Canada Ltd	WRT-Elad One South State Lender LP		50.0	%		23,447		24,644
Mack-Cali	WRT-Stamford LLC		20.0	%		8,636		8,501
Atrium/Northstar	10 Metrotech Loan LLC		33.3	%		10,845		10,845
Atrium Holding	RE CDO Management LLC		50.0	%		1,098		1,779
Freed	Mentor Retail LLC		49.9	%		568		551
Inland	Concord Debt Holdings LLC		33.3	%		—		—
Inland	CDH CDO LLC		24.8	%		—		—
Inland (2)	Concord Debt Holdings LLC		33.3	%		3,953		3,974
Inland (2)	CDH CDO LLC		24.8	%		652		322
Sealy (1)	Northwest Atlanta Partners LP		60.0	%		7,958		8,104
Sealy (1)	Newmarket GP LLC		68.0	%		—		—
Sealy (1)	Airpark Nashville GP		50.0	%		—		—
Marc Realty (1)	Brooks Building LLC		50.0	%		8,021		7,983
Marc Realty (1)	High Point Plaza LLC		50.0	%		2,180		2,241
Marc Realty (1)	1701 Woodfield LLC		50.0	%		1,964		1,977
Marc Realty (1)	Enterprise Center LLC		50.0	%		2,497		2,679
ROIC	WRT-ROIC Lakeside Eagle LLC		50.0	%		—		—
New Valley/Starwood	Socal Office Portfolio Loan LLC		73.0	%		8		8
New Valley/Witkoff	701 7th WRT Investors LLC		60.9	%		29,038		28,735
Fenway	WRT-Fenway Wateridge LLC		50.0	%		1,558		1,522
					$	134,224	$	134,859

(1) The Trust has determined that these equity investments are investments in VIEs. The Trust has determined that it is not the primary beneficiary of these VIEs since the Trust does not have the power to direct the activities that most significantly impact the economic performance of the VIEs.

(2) Represents the interests acquired from Lexington Realty Trust on May 1, 2012.

Activity of the Trust's equity investments

Investment	Balance at December 31, 2012		Contributions		Equity Income (loss)			Distributions			Sales Price			Balance at March 31, 2013
Vintage Housing LLC (2)	$	30,534	$	—	$	1,921		$	(654	)	$	—			31,801
WRT-Elad One South State Equity LP (2)		460		—		(460	)		—			—			—
WRT-Elad One South State Lender LP (2)		24,644		—		903			(2,100	)		—			23,447
WRT-Stamford LLC		8,501		—		221			(86	)		—			8,636
10 Metrotech LLC		10,845		—		304			(304	)		—			10,845
RE CDO Management LLC		1,779		—		3,770			(4,451	)		—			1,098
Mentor Retail LLC		551		—		17			—			—			568
Concord Debt Holdings LLC		—		—		35			(35	)		—			—
CDH CDO LLC		—		—		150			(137	)		(13	)		—
701 7th WRT Investors LLC (3)		28,735		—		697			(394	)		—			29,038
WRT-Fenway Wateridge LLC (2)		1,522		—		36			—			—			1,558
CDH CDO LLC (1)		322		—		480			(137	)		(13	)		652
Sealy		8,104		—		(146	)		—			—			7,958
Marc Realty		14,880		—		(60	)		(158	)					14,662
WRT-ROIC Lakeside Eagle LLC		—		13		(13	)		—			—			—
SoCal Office Portfolio Loan LLC		8		—		—			—			—			8
Concord Debt Holdings LLC (1)		3,974		—		14			(35	)		—			3,953
Total	$	134,859	$	13	$	7,869		$	(8,491	)	$	(26	)	$	134,224

(1) Represents the interests acquired from Lexington Realty Trust on May 1, 2012.

(2) The Trust has elected to report its share of earnings from the investment on a one month lag period.

(3) The Trust has elected to report its share of earnings from the investment on a three month lag period.

Vintage Housing LLC [Member]

Schedule of Equity Method Investments [Line Items]

Summarized balance sheets of real estate investments

	March 31, 2013		December 31, 2012
ASSETS
Real estate, net	$	343,907	$	340,666
Cash and cash equivalents		6,642		6,555
Receivables and other assets		71,365		68,559
Total Assets	$	421,914	$	415,780
LIABILITIES AND MEMBERS’ CAPITAL
Mortgage and notes payable	$	300,686	$	298,654
Other liabilities		54,572		53,687
Non-controlling interests		17,946		15,997
Members’ Capital		48,710		47,442
Total Liabilities and Members’ Capital	$	421,914	$	415,780
Carrying value of the Trust’s investment in Vintage Housing	$	31,801	$	30,534

Summarized statements of operations of real estate equity investments

	For the Period Ended March 31, 2013			For the Period Ended March 31, 2012
Total revenue	$	10,579		$	9,152
Expenses
Operating		4,817			3,704
Real estate taxes		156			169
Interest		453			1,670
Depreciation and amortization		447			2,303
Other expenses		1,352			1,181
Total expenses		7,225			9,027
Net income		3,354			125
(Income) loss attributable to non-controlling interests	$	(22	)		404
Net income attributable to VHH	$	3,332		$	529
Trust’s share of net income (1)	$	1,921		$	339

(1) The Trust records its investments in Vintage Housing LLC on a one month lag, therefore, amounts in the Trust’s financial statements for the period ended March 31, 2013 are based on balances and results from Vintage Housing LLC for the 3 month period ended February 28, 2013.

RE CDO Management LLC [Member]

Schedule of Equity Method Investments [Line Items]

Summarized balance sheets of real estate investments

	March 31, 2013		December 31, 2012
ASSETS
Cash and cash equivalents	$	205	$	123
Loan receivable		1,062		1,070
Receivables and other assets		947		2,400
Total Assets		2,214		3,593
LIABILITIES AND MEMBERS’ CAPITAL
Other liabilities	$	18	$	36
Members’ Capital		2,196		3,557
Total Liabilities and Members’ Capital	$	2,214	$	3,593
Carrying value of the Trust’s investments in RE CDO Management	$	1,098	$	1,779

Summarized statements of operations of real estate equity investments

	For the Period Ended March 31, 2013		For the Period Ended March 31, 2012
Expenses
General and administrative	$	58	$	107
Other expenses		1,419		32
Total expenses		1,477		139
Other income:
Gain (loss) on sale of investment		8,940		—
Other income		76		161
Total other income		9,016		161
Net income	$	7,539	$	22
Trust’s share of net income	$	3,770	$	11

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Reportable Segments (Details Textual)	3 Months Ended
	Mar. 31, 2013 Segment
Reportable Segments (Textual) [Abstract]
Number of Operating Segments	3

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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Basic
Income from continuing operations	$ 10,038	$ 7,137
Net loss attributable to non-controlling interest	795	901
Preferred dividend of Series D Preferred Shares	(2,787)	(925)
Amount allocated to restricted shares	(2)
Income from continuing operations applicable to Common Shares	8,044	7,113
Income from discontinued operations	2,913	215
Net income attributable to Common Shares	10,957	7,328
Basic Weighted-Average Common Shares	33,027	33,052
Income from continuing operations	$ 0.24	$ 0.22
Income (loss) from discontinued operations	$ 0.09
Net income attributable to Winthrop Realty Trust	$ 0.33	$ 0.22
Diluted
Income from continuing operations	10,038	7,137
Net loss attributable to non-controlling interest	795	901
Preferred dividend of Series D Preferred Shares	(2,787)	(925)
Amount allocated to restricted shares	(2)
Income from continuing operations applicable to Common Shares	8,044	7,113
Income from discontinued operations	2,913	215
Net income attributable to Common Shares	$ 10,957	$ 7,328
Basic Weighted-Average Common Shares	33,027	33,052
Stock options (1)	2
Restricted shares (2)	51
Diluted Weighted-Average Common Shares	33,080	33,052
Income from continuing operations	$ 0.24	$ 0.22
Income (loss) from discontinued operations	$ 0.09
Net income attributable to Winthrop Realty Trust	$ 0.33	$ 0.22

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Loans Receivable (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Activity related to loans receivable
Balance at beginning of period	$ 211,250
Purchase and advances	22,382
Interest (received) accrued, net	161
Repayments	(43,606)
Elimination of 1515 Market	(60,691)
Loan discount accretion	716	2,833
Discount accretion received in cash
Balance at end of period	$ 130,212

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Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Trust's interest rate swap
Unrealized Gain on Cap in Other Comprehensive Income	$ (1)	$ (32)
Cash Flow Hedging [Member] | Interest rate caps [Member] | 0.5% Strike Rate Derivatives [Member]
Trust's interest rate swap
Derivative Maturity Period	Aug. 01, 2014
Strike Rate	0.50%
Notional Amount of Hedge	13,337
Cost of Hedge	22
Estimated Fair Value of Cap in Other Comprehensive Income	(1)
Unrealized Gain on Cap in Other Comprehensive Income
Change in Cap Valuations Included in Other Comprehensive Income

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Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Investments in real estate, at cost
Land	$ 60,679	$ 43,252
Buildings and improvements	395,799	378,737
Investments in real estate, gross	456,478	421,989
Less: accumulated depreciation	(52,412)	(51,553)
Investments in real estate, net (variable interest entities $64,539 and $21,423, respectively)	404,066	370,436
Cash and cash equivalents	131,448	97,682
Restricted cash held in escrows (variable interest entities $1,863 and $1,101, respectively)	15,821	13,250
Loans receivable, net	130,212	211,250
Accounts receivable, net of allowances of $458 and $374, respectively	4,902	3,882
Accrued rental income	16,761	17,241
Securities carried at fair value	12,220	19,694
Loan securities carried at fair value	11	11
Preferred equity investments	12,358	12,250
Equity investments	134,224	134,859
Lease intangibles, net (variable interest entities $20,933 and $3,485, respectively)	52,299	37,744
Deferred financing costs, net	4,755	4,864
TOTAL ASSETS	919,077	923,163
LIABILITIES
Mortgage loans payable (variable interest entities $23,174 and $23,184, respectively)	278,824	280,576
Senior notes payable	86,250	86,250
Secured financings	42,803	52,920
Notes payable (variable interest entities $860 and $876, respectively)	1,660	1,676
Accounts payable and accrued liabilities (variable interest entities $4,588 and $1,347, respectively)	20,010	21,056
Related party fees payable	2,540	2,664
Dividends payable	8,154	5,366
Deferred income	1,472	1,136
Below market lease intangibles, net (variable interest entities $645 and $51, respectively)	2,686	2,255
TOTAL LIABILITIES	444,399	453,899
COMMITMENTS AND CONTINGENCIES
Winthrop Realty Trust Shareholders' Equity:
Series D Cumulative Redeemable Preferred Shares, $25 per share liquidation preference, 5,060,000 shares authorized and 4,820,000 shares outstanding at March 31, 2013 and December 31, 2012	120,500	120,500
Common Shares, $1 par, unlimited shares authorized; 33,128,853 and 33,018,711 issued and outstanding at March 31, 2013 and December 31, 2012, respectively	33,029	33,019
Additional paid-in capital	618,626	618,426
Accumulated distributions in excess of net income	(311,793)	(317,385)
Accumulated other comprehensive loss	(51)	(50)
Total Winthrop Realty Trust Shareholders' Equity	460,311	454,510
Non-controlling interests	14,367	14,754
Total Equity	474,678	469,264
TOTAL LIABILITIES AND EQUITY	$ 919,077	$ 923,163

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Fair Value Measurements (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Trust's financial assets for which the fair value option was elected
Financial instruments at fair value	$ 12,231	$ 19,705
Securities carried at fair value [Member] | REIT common shares [Member]
Trust's financial assets for which the fair value option was elected
Financial instruments at fair value	12,220	19,694
Loan securities carried at fair value [Member]
Trust's financial assets for which the fair value option was elected
Financial instruments at fair value	$ 11	$ 11

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Consolidated Statements of Equity (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Dividends paid or accrued on Common Share of beneficial interest	$ 0.1625	$ 0.1625
Dividends paid or accrued on Series D Preferred Share	$ 0.57813	$ 0.57813
Accumulated Distributions in Excess of Net Income
Dividends paid or accrued on Common Share of beneficial interest	$ 0.1625	$ 0.1625
Dividends paid or accrued on Series D Preferred Share	$ 0.57813	$ 0.57813

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Equity Investments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Sealy [Member]	Dec. 31, 2012 Sealy [Member]	Mar. 31, 2013 Vintage Housing LLC [Member]	Dec. 31, 2012 Vintage Housing LLC [Member]	Mar. 31, 2013 Vintage Housing LLC [Member] VHH LLC [Member]	Dec. 31, 2012 Vintage Housing LLC [Member] VHH LLC [Member]	Dec. 31, 2012 WRT-Elad One South State Equity LP [Member]	Mar. 31, 2013 WRT-Elad One South State Equity LP [Member] Elad Canada Ltd [Member]	Dec. 31, 2012 WRT-Elad One South State Equity LP [Member] Elad Canada Ltd [Member]	Mar. 31, 2013 WRT-Elad One South State Lender LP [Member]	Dec. 31, 2012 WRT-Elad One South State Lender LP [Member]	Mar. 31, 2013 WRT-Elad One South State Lender LP [Member] Elad Canada Ltd [Member]	Dec. 31, 2012 WRT-Elad One South State Lender LP [Member] Elad Canada Ltd [Member]	Mar. 31, 2013 WRT-Stamford LLC [Member]	Dec. 31, 2012 WRT-Stamford LLC [Member]	Mar. 31, 2013 WRT-Stamford LLC [Member] Mack-Cali [Member]	Dec. 31, 2012 WRT-Stamford LLC [Member] Mack-Cali [Member]	Mar. 31, 2013 10 Metrotech Loan LLC [Member]	Dec. 31, 2012 10 Metrotech Loan LLC [Member]	Mar. 31, 2013 10 Metrotech Loan LLC [Member] Atrium/Northstar [Member]	Dec. 31, 2012 10 Metrotech Loan LLC [Member] Atrium/Northstar [Member]	Mar. 31, 2013 RE CDO Management LLC [Member]	Dec. 31, 2012 RE CDO Management LLC [Member]	Mar. 31, 2013 RE CDO Management LLC [Member] Atrium Holding [Member]	Dec. 31, 2012 RE CDO Management LLC [Member] Atrium Holding [Member]	Mar. 31, 2013 Mentor Retail LLC [Member]	Dec. 31, 2012 Mentor Retail LLC [Member]	Mar. 31, 2013 Mentor Retail LLC [Member] Freed [Member]	Dec. 31, 2012 Mentor Retail LLC [Member] Freed [Member]	Feb. 25, 2013 Concord Debt Holdings LLC [Member]	Mar. 31, 2013 Concord Debt Holdings LLC [Member] Inland [Member]	Dec. 31, 2012 Concord Debt Holdings LLC [Member] Inland [Member]	Mar. 31, 2013 CDH CDO LLC [Member] Inland [Member]	Dec. 31, 2012 CDH CDO LLC [Member] Inland [Member]	Mar. 31, 2013 Northwest Atlanta Partners LP [Member] Sealy [Member]	Dec. 31, 2012 Northwest Atlanta Partners LP [Member] Sealy [Member]	Mar. 31, 2013 New Market GP LLC [Member] Sealy [Member]	Mar. 31, 2013 Airpark Nashville GP [Member] Sealy [Member]	Mar. 31, 2013 Brooks Building LLC [Member] Marc Realty [Member]	Dec. 31, 2012 Brooks Building LLC [Member] Marc Realty [Member]	Mar. 31, 2013 High Point Plaza LLC [Member] Marc Realty [Member]	Dec. 31, 2012 High Point Plaza LLC [Member] Marc Realty [Member]	Mar. 31, 2013 1701 Woodfield LLC [Member] Marc Realty [Member]	Dec. 31, 2012 1701 Woodfield LLC [Member] Marc Realty [Member]	Mar. 31, 2013 Enterprise Center LLC [Member] Marc Realty [Member]	Dec. 31, 2012 Enterprise Center LLC [Member] Marc Realty [Member]	Mar. 31, 2013 WRT - ROIC Lakeside Eagle LLC [Member] ROIC [Member]	Mar. 31, 2013 SoCal Office Portfolio Loan LLC [Member]	Dec. 31, 2012 SoCal Office Portfolio Loan LLC [Member]	Mar. 31, 2013 SoCal Office Portfolio Loan LLC [Member] New Valley/Starwood [Member]	Dec. 31, 2012 SoCal Office Portfolio Loan LLC [Member] New Valley/Starwood [Member]	Mar. 31, 2013 701 7th WRT Investors LLC [Member]	Dec. 31, 2012 701 7th WRT Investors LLC [Member]	Mar. 31, 2013 701 7th WRT Investors LLC [Member] New Valley/Witkoff [Member]	Dec. 31, 2012 701 7th WRT Investors LLC [Member] New Valley/Witkoff [Member]	Mar. 31, 2013 WRT-Fenway Wateridge LLC [Member]	Dec. 31, 2012 WRT-Fenway Wateridge LLC [Member]	Mar. 31, 2013 WRT-Fenway Wateridge LLC [Member] Fenway [Member]	Dec. 31, 2012 WRT-Fenway Wateridge LLC [Member] Fenway [Member]
Trust's carrying amounts in its equity investments
Nominal % Ownership							75.00%			50.00%				50.00%				20.00%				33.30%				50.00%				49.90%		17.00%	33.30%		24.80%		60.00%		68.00%	50.00%	50.00%		50.00%		50.00%		50.00%		50.00%			73.00%				60.90%				50.00%
Equity investments	$ 134,224	$ 134,859	$ 7,958	$ 8,104	$ 31,801	$ 30,534	$ 31,801	$ 30,534	$ 460		$ 460	$ 23,447	$ 24,644	$ 23,447	$ 24,644	$ 8,636	$ 8,501	$ 8,636	$ 8,501	$ 10,845	$ 10,845	$ 10,845	$ 10,845	$ 1,098	$ 1,779	$ 1,098	$ 1,779	$ 568	$ 551	$ 568	$ 551		$ 3,953	$ 3,974	$ 652	$ 322	$ 7,958	$ 8,104			$ 8,021	$ 7,983	$ 2,180	$ 2,241	$ 1,964	$ 1,977	$ 2,497	$ 2,679		$ 8	$ 8	$ 8	$ 8	$ 29,038	$ 28,735	$ 29,038	$ 28,735	$ 1,558	$ 1,522	$ 1,558	$ 1,522

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Non-controlling Interests (Tables)

3 Months Ended

Mar. 31, 2013

Non-controlling Interests [Abstract]

Schedule of changes in the Trust's ownership interest in the subsidiaries

	Three Months Ended
	March 31,
	2013		2012
Net income attributable to Winthrop Realty Trust	$	13,746	$	8,253
Increase (decrease) in Winthrop Realty Trust paid in capital adjustments from transaction with non-controlling interests		52		(208	)
Changes from net income attributable to Winthrop Realty
Trust and transfers from non-controlling interest	$	13,798	$	8,045

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Equity Investments (Details Textual) (USD $)	3 Months Ended								1 Months Ended
	Mar. 31, 2013 Vintage Housing LLC [Member]	Mar. 31, 2013 WRT-Elad One South State Equity LP [Member]	Mar. 31, 2013 WRT-Elad One South State Lender LP [Member]	Mar. 31, 2013 WRT-Fenway Wateridge LLC [Member]	Mar. 31, 2013 701 7th WRT Investors LLC [Member]	Mar. 31, 2013 WRT Elad [Member]	Feb. 18, 2013 WRT Elad [Member]	Feb. 25, 2013 Concord Debt Holdings LLC [Member]	Feb. 25, 2013 Lex-Win [Member]	Feb. 25, 2013 CDH CDO LLC [Member]
Equity Investments (Textual) [Abstract]
Investment lag period	1 month	1 month	1 month	1 month	3 months
Indirect future interest						5.00%	5.00%
Fee to be paid by the borrower						$ 1,400,000	$ 1,400,000
Additional increase in indirect future interest						6.00%	6.00%
Percentage of the ownership								17.00%
Acquisition Price									25,000
sales price of the trust										12,500
Gain on sale of interest										12,500
Loss on sale of interest										$ 123,000

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Related-Party Transactions

3 Months Ended

Mar. 31, 2013

Related-Party Transactions [Abstract]

Related-Party Transactions

15. Related-Party Transactions

FUR Advisors - The activities of the Trust are administered by FUR Advisors LLC (“FUR Advisors”) pursuant to the terms of the Advisory Agreement between the Trust and FUR Advisors. FUR Advisors is controlled by and partially owned by the executive officers of the Trust. Pursuant to the terms of the Advisory Agreement, FUR Advisors is responsible for providing asset management services to the Trust and coordinating with the Trust’s shareholder transfer agent and property managers. FUR Advisors is entitled to receive a base management fee of 1.5% and in certain instances, a termination fee and/or an incentive fee in accordance with the terms of the Advisory Agreement. In addition, FUR Advisors or its affiliate is also entitled to receive property and construction management fees subject to the approval of the independent Trustees of the Trust.

The following table sets forth the fees and reimbursements paid by the Trust for the three months ended March 31, 2013 and 2012 to FUR Advisors and Winthrop Management (in thousands):

	For the Three Months Ended
	March 31, 2013		March 31, 2012
Base Asset Management	$	2,266	$	2,027
Property Management		282		116
Construction Management		131		—
	$	2,679	$	2,143

Base Asset Management Fee - Effective January 1, 2012, the Advisory Agreement was amended to reflect the redemption of the Series B-1 Preferred Shares and Series C Preferred Shares and the issuance of the Series D Preferred Shares. Additionally, FUR Advisors receives a fee equal to 0.25% of any equity contributions by unaffiliated third parties to a venture managed by the Trust.

Property Management and Construction Management - Winthrop Management L.P. (“Winthrop Management”), an affiliate of FUR Advisors and the Trust’s executive officers, assumed property management responsibilities for various properties owned by the Trust. Winthrop Management receives a property management fee and construction management fee pursuant to the terms of individual property management agreements. Construction management fees are capitalized in accordance with GAAP.

At March 31, 2013 $2,266,000 payable to FUR Advisors and $274,000 payable to Winthrop Management were included in accounts payable and accrued liabilities.

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2013

Discontinued Operations [Abstract]

Results for discontinued operations

	For the Three Months Ended
	March 31, 2013			March 31, 2012
Revenues	$	275		$	747
Operating expenses		(71	)		(285	)
Interest expense		—			(65	)
Depreciation and amortization		(66	)		(182	)
Gain on sale of assets		2,775			—
Income from discontinued operations	$	2,913		$	215

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Variable Interest Entities

3 Months Ended

Mar. 31, 2013

Variable Interest Entities [Abstract]

Variable Interest Entities

17. Variable Interest Entities

Consolidated Variable Interest Entities

Consolidated variable interest entities are those where the Trust is the primary beneficiary of a variable interest entity. The primary beneficiary is the party that has a controlling financial interest in the VIE, which is defined by the entity having both of the following characteristics: 1) the power to direct the activities that, when taken together, most significantly impact the VIE’s performance, and 2) the obligation to absorb losses and right to receive the returns from the VIE that could be significant to the VIE. The Trust has identified two consolidated variable interest entities.

Although the Trust holds 100% of the equity interests in the Cerritos office property, the B-Note collateralized by the property enables the senior lender to participate in the entity’s expected residual returns, the Trust will need to fund expected losses and infuse additional capital to lease and stabilize property operations. Through its equity interests in the property, the Trust has both the right to the returns of the entity and power to direct the activities of Cerritos. Accordingly, the Trust is the primary beneficiary and has consolidated Cerritos since its acquisition on October 5, 2012.

At March 31, 2013, the carrying value of the Cerritos assets and liabilities included: land and building of $21,396,000 net of accumulated depreciation of $369,000; lease intangibles of $3,457,000 net of accumulated amortization of $300,000; mortgage debt comprised of an A Note totaling $23,174,000; and participating B Note totaling $860,000. The outstanding mortgage debt collateralized by the property is non-recourse to the Trust.

In connection with the loan modification of 1515 Market Street, the Trust acquired a 49% equity interest in the entity that holds the property. This equity interest includes the general partner interest. The Trust determined that the 1515 Market Street entity was a variable interest entity due to the lender’s right to participate in the entity’s expected residual returns. Through its equity interest, the Trust has both the right to the returns of the entity and power to direct the activities of 1515 Market Street. Accordingly, the Trust is the primary beneficiary and has consolidated the property effective February 1, 2013.

At March 31, 2013, the carrying value of the 1515 Market Street assets and liabilities include land and building of $43,143,000 net of accumulated depreciation of $142,000 and lease intangibles of $16,832,000 net of accumulated amortization of $368,000. The outstanding mortgage debt collateralized by the property is non-recourse to the Trust and is eliminated in consolidation. See Note 4 for additional details regarding this transaction.

Variable Interest Entities Not Consolidated

Equity Method and Preferred Equity Investments - The Trust has reviewed its various equity method and preferred equity investments and identified 11 investments for which the Trust holds a variable interest in a VIE. Of these 11 interests there are seven investments for which the underlying entities do not have sufficient equity at risk to permit them to finance their activities without additional subordinated financial support. There are four additional entities for which the VIE assessment was primarily based on the fact that the voting rights of the equity holders are not proportional to their obligations to absorb expected losses and rights to receive residual returns of the legal entities. These 11 unconsolidated joint ventures are those where the Trust is not the primary beneficiary of a VIE.

Loans Receivable and Loan Securities - The Trust has reviewed its loans receivable and loan securities and four of these assets have been identified as variable interests in a VIE because the equity investment at risk at the borrowing entity level is not considered sufficient for the entity to finance its activities without additional subordinated financial support. There is one investment where the equity holders lack the right to receive returns due to the lender’s participation interest in the debt.

Certain loans receivable and loan securities which have been determined to be VIEs are performing assets, meeting their debt service requirements. In these cases the borrower holds legal title to the real estate collateral and has the power to direct the activities that most significantly impact the economic performance of the VIE, including management and leasing activities. In the event of default under these loans, the Trust only has protective rights and its obligation to absorb losses is limited to the extent of its loan investment. The borrower has been determined to be the primary beneficiary for these performing assets.

The Trust has determined that it does not currently have the power to direct the activities of the properties collateralizing any of its loans receivable and loan securities. For this reason, management believes that it does not control, nor is it the primary beneficiary of these properties. Accordingly, the Trust accounts for these investments under the guidance for loans receivable and real estate debt investments.

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Debt (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Secured financings
Loan bears interest, description of variable rate basis	LIBOR plus 3%
Recourse Secured Financings [Member]
Secured financings
Recourse secured financings	$ 13,653	$ 23,770
Recourse Secured Financings [Member] | Queensridge Loan [Member]
Secured financings
Maturity	Nov. 2014
Loan bears interest, description of variable rate basis	LIBOR plus 4%
Interest rate	4.20%
Recourse secured financings	$ 13,653	$ 23,770

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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net income	$ 12,951	$ 7,352
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)	3,403	2,616
Amortization of lease intangibles	2,054	1,178
Straight-line of rental income	(177)	(1,446)
Loan discount accretion	(716)	(2,833)
Income from preferred equity investments	(202)
Distributions of income from preferred equity investments	94	97
Income of equity investments	(7,869)	(424)
Distributions of income from equity investments	7,822	2,764
Restricted cash held in escrows	1,509	(204)
Loss (gain) on sale of securities carried at fair value	102	(26)
Unrealized gain on securities carried at fair value	(1,718)	(4,932)
Unrealized gain on loan securities carried at fair value		(164)
Tenant leasing costs	(156)	(671)
Gain on sale of real estate investments	(2,775)
Equity compensation expenses	43
Bad debt (recovery) expense	84	(127)
Net change in interest receivable	184	(7)
Net change in accounts receivable	(903)	(452)
Net change in accounts payable and accrued liabilities	(4,546)	(348)
Net cash provided by operating activities	9,184	2,373
Cash flows from investing activities
Investments in real estate	(396)	(2,469)
Investment in equity investments	(13)	(23,835)
Proceeds from sale of investments in real estate	11,425
Proceeds from sale of equity investments	26	250
Return of capital distribution from equity investments	669	38,100
Purchase of securities carried at fair value		(4,188)
Proceeds from sale of securities carried at fair value	9,090	4,302
Restricted cash held in escrows	716	(4,421)
Issuance and acquisition of loans receivable	(21,437)	(2,521)
Collection of loans receivable	24,287	357
Proceeds from sale of loans receivable	19,318
Cash from consolidation of properties	473
Net cash provided by investing activities	44,158	5,575
Cash flows from financing activities
Proceeds from mortgage loans payable		743
Principal payments of mortgage loans payable	(1,643)	(1,426)
Payment of secured financing	(10,117)
Proceeds from issuance of Series D Preferred Shares		77,772
Payment of revolving line of credit		(40,000)
Restricted cash held in escrows	(2,797)	(10)
Deferred financing costs	(228)	(9)
Contribution from non-controlling interest	535	218
Distribution to non-controlling interest		(101)
Purchase of non-controlling interests	(75)	(400)
Issuance of Common Shares under Dividend Reinvestment Plan	115	133
Dividend paid on Common Shares	(5,366)	(5,369)
Dividend paid on Series D Preferred Shares		(925)
Net cash (used in) provided by financing activities	(19,576)	30,626
Net increase in cash and cash equivalents	33,766	38,574
Cash and cash equivalents at beginning of period	97,682	40,952
Cash and cash equivalents at end of period	131,448	79,526
Supplemental Disclosure of Cash Flow Information
Interest paid	5,897	3,721
Taxes paid	68	161
Supplemental Disclosure on Non-Cash Investing and Financing Activities
Dividends accrued on Common Shares	5,367	5,371
Dividends accrued on Series D Preferred Shares	2,787
Capital expenditures accrued	4,117	1,583
Transfer from loans receivable		(2,938)
Transfer from preferred equity		(3,923)
Transfer to equity investment		6,861
Fair value of Assets Acquired	62,208
Fair value of Liabilities Assumed	$ 62,198

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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Consolidated Balance Sheets [Abstract]
Investments in real estate, variable interest entities	$ 64,539	$ 21,423
Restricted cash held in escrows, variable interest entities	1,863	1,101
Allowances on accounts receivable	458	374
Lease intangibles, variable interest entities	20,933	3,485
Mortgage loans payable, variable interest entities	23,174	23,184
Notes payable, variable interest entities	860	876
Accounts payable and accrued liabilities, variable interest entities	4,588	1,347
Below market lease intangibles, variable interest entities	$ 645	$ 51
Series D Cumulative Redeemable Preferred Shares, liquidation preference	$ 25	$ 25
Series D Cumulative Redeemable Preferred Shares, shares authorized	5,060,000	5,060,000
Series D Cumulative Redeemable Preferred Shares, shares outstanding	4,820,000	4,820,000
Common Shares, par value	$ 1	$ 1
Common Shares, unlimited shares authorized
Common Shares, shares issued	33,128,853	33,018,711
Common Shares, shares outstanding	33,128,853	33,018,711

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Senior Notes Payable

3 Months Ended

Mar. 31, 2013

Debt/Senior Notes Payable [Abstract]

Senior Notes Payable

10. Senior Notes Payable

In August 2012 the Trust issued a total $86,250,000 of its 7.75% Senior Notes (the “Notes”) at an issue price of 100% of par value. The Trust received net proceeds of approximately $83,228,000, after deducting the underwriting discounts, commissions and offering expenses.

The Notes mature on August 15, 2022 and bear interest at the rate of 7.75% per year, payable quarterly in arrears commencing November 15, 2012. The Trust may redeem the Notes, in whole or in part, at any time or from time to time on or after August 15, 2015 at a redemption price in cash equal to 100% of the principal amount redeemed plus accrued and unpaid interest.

The Notes rank senior to all of the Trust’s future indebtedness that by its terms is expressly subordinate to the Notes, effectively making the Notes senior to all of the Trust’s existing and future unsecured senior indebtedness to the extent of the collateral securing the Notes and pari passu thereafter. The Notes are structurally subordinated to all of the existing and future liabilities of Winthrop’s subsidiaries, including the Operating Partnership, but will have a security interest in the promissory note of the Operating Partnership to the Trust, which promissory note is pari passu with all existing and future unsecured senior indebtedness of the Operating Partnership.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	May 01, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	Winthrop Realty Trust
Entity Central Index Key	0000037008
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		33,138,757

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Derivative Financial Instruments

3 Months Ended

Mar. 31, 2013

Derivative Financial Instruments [Abstract]

Derivative Financial Instruments

11. Derivative Financial Instruments

The Trust has exposure to fluctuations in market interest rates. The Trust seeks to limit its risk to interest rate fluctuations through match financing on its assets as well as through hedging transactions.

The Trust’s objective in using interest rate derivatives is to add stability to interest expense and to manage its exposure to interest rate movements. To accomplish this objective, the Trust primarily uses interest rate caps and interest rate swaps as part of its interest rate risk management strategy relating to certain of its variable rate debt instruments.

The effective portion of changes in fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. The ineffective portion of the change, if any, in fair value of the derivatives is recognized directly in earnings. During the three months ended March 31, 2013 interest rate caps were used to hedge the variable cash flows associated with existing variable-rate debt. The Trust also assesses, both at its inception and on an ongoing basis, whether the hedging instrument is highly effective in achieving offsetting changes in the cash flows attributable to the hedged item. The Trust has recorded changes in fair value related to the effective portion of its interest rate hedges designated and qualifying as cash flow hedges totaling $1,000 for the three months ended March 31, 2013, and $32,000 of comprehensive loss for the three months ended March 31, 2012.

The table below presents information about the Trust’s interest rate caps that are included on the consolidated balance sheet that were designated as cash flow hedges of interest rate risk at March 31, 2013 (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value of Cap in Other Comprehensive Income			Unrealized Gain on Cap in Other Comprehensive Income		Change in Cap Valuations Included in Other Comprehensive Income for the Three Months Ended March 31, 2013
Aug 2014		0.50	%	$	13,337	$	22	$	(1	)	$	—	$	—

The table below presents information about the Trust’s interest rate caps that were not designated as cash flow hedges (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value		Change in Cap Valuations Included in Interest Expense for the Three Months Ended March 31, 2013
May 2013		1.25	%	$	51,982	$	196	$	—	$	—
Aug 2014		1.75	%		51,982		434		—		—
Oct 2014		1.00	%		5,754		174		1		—

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Related-Party Transactions (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013
FUR Advisors [Member]
Related-Party Transactions (Textual) [Abstract]
Payable to related parties included in accounts payable and accrued liabilities	$ 2,266,000
Percentage of Equity contributions	1.50%
Winthrop Management [Member]
Related-Party Transactions (Textual) [Abstract]
Payable to related parties included in accounts payable and accrued liabilities	$ 274,000
Percentage of Equity contributions	0.25%

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Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue
Rents and reimbursements	$ 15,179	$ 11,793
Interest, dividends and discount accretion	5,320	5,518
Total Revenue	20,499	17,311
Expenses
Property operating	4,930	4,331
Real estate taxes	946	1,192
Depreciation and amortization	5,174	3,537
Interest	6,032	3,724
General and administrative	847	883
Related party fees	2,266	2,027
Transaction costs	6	121
State and local taxes	17	6
Total expenses	20,218	15,821
Other income (loss)
Equity in (loss) income of equity investments	7,869	424
Earnings from preferred equity investments	202
Realized gain (loss) on sale of securities carried at fair value	(102)	26
Unrealized gain on securities carried at fair value	1,718	4,932
Unrealized gain on loan securities carried at fair value		164
Interest income	70	101
Total other income (loss)	9,757	5,647
Income from continuing operations	10,038	7,137
Discontinued operations
Income from discontinued operations	2,913	215
Consolidated net income	12,951	7,352
Net loss attributable to non-controlling interest	795	901
Net income attributable to Winthrop Realty Trust	13,746	8,253
Preferred dividend of Series D Preferred Shares	(2,787)	(925)
Amount allocated to restricted shares	(2)
Net income attributable to Common Shares	10,957	7,328
Per Common Share data - Basic
Income from continuing operations	$ 0.24	$ 0.22
Income from discontinued operations	$ 0.09
Net income attributable to Winthrop Realty Trust	$ 0.33	$ 0.22
Per Common Share data - Diluted
Income from continuing operations	$ 0.24	$ 0.22
Income from discontinued operations	$ 0.09
Net income attributable to Winthrop Realty Trust	$ 0.33	$ 0.22
Basic Weighted-Average Common Shares	33,027	33,052
Diluted Weighted-Average Common Shares	33,080	33,052
Comprehensive income
Consolidated net income	12,951	7,352
Change in unrealized loss on interest rate derivative	(1)	(32)
Consolidated comprehensive income	12,950	7,320
Net loss attributable to non-controlling interest	795	901
Other comprehensive income attributable to non-controlling interest
Comprehensive loss attributable to non-controlling interest	795	901
Comprehensive income attributable to Winthrop Realty Trust	$ 13,745	$ 8,221

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Loans Receivable

3 Months Ended

Mar. 31, 2013

Loans Receivable [Abstract]

Loans Receivable

5. Loans Receivable

The following table summarizes the Trust’s loans receivable at March 31, 2013 and December 31, 2012 (in thousands):

			Carrying Amount				Contractual Maturity Date
Description	Loan Position	Stated Interest Rate	March 31, 2013		December 31,  2012
Hotel Wales	Whole Loan	LIBOR + 4.0%(2)	$	20,101	$	20,101		10/05/13
Renaissance Walk	Mezzanine	LIBOR + 12.0%(3)		3,000		3,000		01/01/14
Fenway Shea (1)	Whole Loan	12.0%		2,273		2,273		04/05/14
The Shops at Wailea	B-Note	6.15%		5,573		5,376		10/06/14
Legacy Orchard (1)	Corporate Loan	15.0%		9,750		9,750		10/31/14
Queensridge	Whole Loan	LIBOR + 11.5%(4)		28,976		39,170		11/15/14
San Marbeya	Whole Loan	5.88%		27,323		27,149		01/01/15
Playa Vista	Mezzanine	LIBOR + 14.25%(4)		10,323		—		01/23/15
Churchill (1)	Whole Loan	LIBOR + 3.75%		687		683		06/01/15
Rockwell	Mezzanine	12.0%		342		323		05/01/16
500-512 7th Ave	B-Note	7.19%		10,013		10,009		07/11/16
Pinnacle II	B-Note	6.31%		4,648		4,652		09/06/16
Popiu Shopping Village	B-Note	6.62%		1,972		1,948		01/06/17
Wellington Tower	Mezzanine	6.79%		2,719		2,687		07/11/17
Mentor Building	Whole Loan	10.0%		2,512		2,512		09/10/17
1515 Market	Whole Loan	(5)		—		58,650		(5)
127 West 25th Street	Mezzanine	—		—		8,687		(6)
180 N. Michigan	Mezzanine	—		—		5,237		(6)
The Disney Building	B-Note	—		—		9,043		(7)
			$	130,212	$	211,250

(1) The Trust determined that certain loans receivable are variable interests in VIEs primarily based on the fact that the underlying entities do not have sufficient equity at risk to permit the entity to finance its activities without additional subordinated financial support. The Trust does not have the power to direct the activities of the entity that most significantly impact the entity’s economic performance and is not required to consolidate the underlying entity.

(2) LIBOR floor of 3%.

(3) LIBOR floor of 2%.

(4) LIBOR floor of 0.5%.

(5) This loan was in maturity default at the time of acquisition. The loan was modified on February 1, 2013. See Note 4 – Acquisition, Disposition, Leasing and Financing Activity for details on the modification.

(6) The loans were satisfied during the three months ended March 31, 2013.

(7) The loan was sold during the three months ended March 31, 2013.

The carrying amount of loans receivable includes accrued interest of $832,000 and $1,016,000 at March 31, 2013 and December 31, 2012, respectively, and cumulative accretion of $3,243,000 and $2,527,000 at March 31, 2013 and December 31, 2012, respectively.

At March 31, 2013 and December 31, 2012, the Trust’s loans receivable have unamortized discount totaling $6,622,000 and $9,865,000, respectively.

The weighted average coupon on the Trust’s loans receivable was 7.59% and 7.65% and the weighted average yield to maturity was 11.84% and 11.43% at March 31, 2013 and December 31, 2012, respectively.

The San Marbeya, Hotel Wales and Queensridge loans receivable are part of secured financing transactions, as outlined in GAAP, with recourse and non-recourse financings at March 31, 2013. The Trust had outstanding non-recourse secured financings related to the San Marbeya and Hotel Wales loans receivable in the amount of $29,150,000 at March 31, 2013 and December 31, 2012. The Trust had recourse secured financings related to the Queensridge loan receivable in the amount of $13,653,000 and $23,770,000 at March 31, 2013 and December 31, 2012, respectively. No other loans receivable are part of secured financing transactions at March 31, 2013. Please see Note 8 for additional disclosures regarding the Trust’s secured financings.

Loan Receivable Activity

Activity related to loans receivable is as follows (in thousands):

	Three Months Ended March 31, 2013
Balance at beginning of period	$	211,250
Purchase and advances		22,382
Interest (received) accrued, net		161
Repayments		(43,606	)
Elimination of 1515 Market		(60,691	)
Loan discount accretion		716
Discount accretion received in cash		—
Balance at end of period	$	130,212

The following table summarizes the Trust’s interest, dividend and discount accretion income for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended  March 31, 2013
	2013		2012
Interest on loan assets	$	4,454	$	2,399
Accretion of loan discount		716		2,833
Interest and dividends on REIT securities		150		286
Total interest, dividends, and discount accretion	$	5,320	$	5,518

Credit Quality of Loans Receivable and Loan Losses

The Trust evaluates impairment on its loan portfolio on an individual basis and has developed a loan grading system for all of its outstanding loans that are collateralized directly or indirectly by real estate. Grading categories include debt yield, debt service coverage ratio, length of loan, property type, loan type, and other more subjective variables that include property or collateral location, market conditions, industry conditions, and sponsor’s financial stability. Management reviews each category and assigns an overall numeric grade for each loan to determine the loan’s risk of loss and to provide a determination as to whether an individual loan is impaired and whether a specific loan loss allowance is necessary. A loan’s grade of credit quality is determined quarterly.

All loans with a positive score do not require a loan loss allowance. Any loan graded with a neutral score or “zero” is subject to further review of the collectability of the interest and principal based on current conditions and qualitative factors to determine if impairment is warranted. Any loan with a negative score is deemed impaired and management then would measure the specific impairment of each loan separately using the fair value of the collateral less costs to sell.

Management estimates the loan loss allowance by calculating the estimated fair value less costs to sell of the underlying collateral securing the loan based on the fair value of underlying collateral and comparing the fair value to the loan’s net carrying value. If the fair value is less than the net carrying value of the loan, an allowance is created with a corresponding charge to the provision for loan losses. The allowance for each loan will be maintained at a level the Trust believes will be adequate to absorb losses.

The table below summarizes the Trust’s loans receivable by internal credit rating at March 31, 2013 and December 31, 2012 (in thousands, except for number of loans):

	March 31, 2013				December 31, 2012
Internal Credit Quality	Number of Loans		Carrying Value of Loans Receivable		Number of Loans		Carrying Value of Loans Receivable
Greater than zero		14	$	119,889		18	$	211,250
Equal to zero		1		10,323		—		—
Less than zero		—		—		—		—
		15	$	130,212		18	$	211,250

Non-Performing Loans

The Trust considers a loan to be non-performing and places loans on non-accrual status at such time as management determines it is probable that it will be unable to collect all amounts due according to the contractual terms of the loan. While on non-accrual status, based on the Trust’s judgment as to collectability of principal, loans are either accounted for on a cash basis, where interest income is recognized only upon actual receipt of cash, or on a cost-recovery basis, where all cash receipts reduce a loan’s carrying value. If and when a loan is brought back into compliance with its contractual terms, the Trust will resume accrual of interest. As of March 31, 2013 and December 31, 2012, there were no non-performing loans and no past due payments. The Trust did not record any provision for loan loss for the three months ended March 31, 2013.

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Acquisitions, Dispositions, Leasing and Financing Activities

3 Months Ended

Mar. 31, 2013

Acquisitions, Dispositions, Leasing and Financing Activities [Abstract]

Acquisitions, Dispositions, Leasing and Financing Activities

4. Acquisitions, Dispositions, Leasing and Financing Activities

Operating Property Activity:

1515 Market Street – loan modification and equity acquisition - On February 1, 2013 the Trust entered into a loan modification agreement which extended the maturity date to February 1, 2016, increased the loan balance to $71,629,000 (from $70,000,000) and changed the interest rate to be the greater of 7.5% or LIBOR plus 6.5%. The loan balance can be increased through future funding advances up to an aggregate of $6,000,000 to cover tenant improvements, capital expenditures and leasing commissions. For each $500,000 of future advances, the interest rate increases by 0.10%. The loan modification also provides the lender with a 40% participation interest in the case of a capital event.

Simultaneously with the modification of the loan, the Trust acquired, for $10,000, an indirect 49% equity interest in the property. As part of the transaction, the Trust acquired the general partner interest in the property. Management has determined that this entity is a variable interest entity (“VIE”) and that the Trust is the primary beneficiary of the VIE (see Note 17). As a result, the Trust has consolidated this property as of February 1, 2013. All intercompany transactions have been eliminated in consolidation. For segment reporting purposes, this investment will be classified within the operating properties segment as of February 1, 2013. Prior to consolidation, this investment was part of the loan assets segment.

The fair value of the assets and liabilities of the consolidated property was calculated by an independent third party valuation firm and reviewed by management. The following table summarizes the provisional allocation of the aggregate purchase price of 1515 Market Street as of February 1, 2013 (in thousands):

	1515 Market Street
Land	$	18,627
Building		23,159
Other improvements		73
Tenant improvements		1,407
Lease intangibles		14,943
Above market lease intangibles		2,867
Net working capital acquired		1,132
Below market lease intangibles		(620	)
Other liabilities		(1,299	)
Long Term liabilities assumed		(60,279	)(1)
Net assets acquired	$	10

(1) Long Term liabilities assumed as part of this transaction remain legally outstanding but are eliminated in consolidation with the Trust’s loan asset purchased on December 12, 2012.

Intangible assets acquired and intangible liabilities assumed for 1515 Market Street consisted of the following (in thousands):

				Weighted
				Average
	Carrying			Amortization
	Value			Period (years)
Intangible assets:
In place lease intangibles	$	6,542			6.2
Above market lease intangibles		2,867			5.8
Tenant relationship value		7,388			13.3
Lease commissions, legal and marketing fees		1,013			5.4
Total	$	17,810			9.0
Intangible liabilities:
Below market lease intangibles	$	(620	)		4.2

1515 Market Street contributed approximately $1,861,000 of revenue and net income of approximately $496,000 to the Trust for the period from February 1, 2013 through March 31, 2013.

The accompanying unaudited pro forma information for the quarters ended March 31, 2013 and 2012 is presented as if the consolidation of 1515 Market Street on February 1, 2013 had occurred on January 1, 2012. This unaudited pro forma information is based upon the historical consolidated financial statements and should be read in conjunction with the consolidated financial statements and notes thereto. This unaudited pro forma information does not purport to represent what the actual results of operations of the Trust would have been had the above occurred, nor do they purport to predict the results of operations of future periods.

Pro forma (unaudited) (In thousands, except for per share data)	For the Three Months Ended March 31,
	2013		2012
Total revenue	$	21,430	$	20,104
Consolidated net income		12,919		7,815
Net income attributable to Winthrop Realty Trust		13,987		8,691
Per common share data - basic		0.34		0.23
Per common share data - diluted		0.34		0.23

WRT-Elad Lender/Equity (Sullivan) – loan modification and equity participation - On February 18, 2013 a forbearance agreement was entered into whereby WRT-Elad Lender agreed to forbear from exercising its rights under the loan documents with respect to the borrower’s failure to pay debt service for the period from December 2012 through October 2013. To the extent such debt service is not paid, debt service will accrue and be added to the outstanding principal balance of the mezzanine loan on each applicable monthly payment date. In exchange for the forbearance, WRT-Elad’s indirect future interest in the property increased by 5%, with a corresponding decrease in the borrower’s general partner’s interest. In consideration for the forbearance, the borrower is required to pay a $1,400,000 fee to WRT-Elad Lender on or prior to November 9, 2013. If the $1,400,000 is not paid, in lieu of the payment, then WRT-Elad’s indirect future interest in the property will increase by an additional 6% with a corresponding decrease to the general partner’s interest.

Andover, Massachusetts – property sale - On March 28, 2013 the Trust sold its Andover, Massachusetts office property to an independent third party for gross sale proceeds of $12,000,000. After costs and pro-rations, the Trust received net proceeds of approximately $11,425,000 and recorded a gain of $2,775,000 on the sale of the property. The results of operations for this property have been classified as discontinued operations for all periods presented in the consolidated financial statements.

Loan Asset Activity:

Playa Vista – loan origination - On January 24, 2013 the Trust originated a $20,500,000 mezzanine loan collateralized by a 260,000 square foot office campus in the Los Angeles, California area. The loan is subordinate to an $80,300,000 mortgage loan, matures January 23, 2015, bears interest at LIBOR plus 14.25% per annum, with a 0.5% LIBOR floor and requires payments of interest only at a rate of 8.25% with the remaining interest being accrued and added to principal. In connection with the origination, the borrower paid to the Trust an origination fee of $205,000. On March 1, 2013 the Trust sold a 50% pari passu participation interest in the loan for $10,250,000 and gave the transferee a credit of $100,000 from the initial loan origination. No gain or loss was recognized on the sale of the interest.

Disney B Note – sale of participation - On January 25, 2013 the Trust sold for $9,000,000 a 100% participation interest in the $10,000,000 B Note collateralized by the office building located in Burbank, California. The selling price was equal to the Trust’s carrying value of the B Note. The Trust retains title to the B Note but the holder of the participation assumes each and every right and obligation of the B Note. The Trust is prohibited from taking any actions with respect to the B Note without written consent from the participation holder. The Trust has recorded this as a sale of the loan and no gain or loss has been recognized on the sale.

RE CDO Management – asset sales - On February 20, 2013 the venture sold its subordinated interests in Sorin CDO III for $2,750,000 and transferred the Sorin CDO III collateral management agreement for $0. On March 8, 2013 the venture sold its C Tranche subordinated interests in Sorin CDO IV for $6,240,000. As a result of the sales, the Trust received distributions of approximately $4,416,000 in the aggregate. The Trust’s share of the gain has been recorded as equity in earnings of this equity investment.

CDH CDO LLC – sale of interest - On February 25, 2013 the Trust sold for $25,000 a 17% interest in the equity of CDH CDO, exclusive of the interest in the entity that holds the collateral management agreement of CDH CDO, to Inland American. As a result of the sale, the Trust now holds a 49.67% interest in CDH CDO. The Trust maintains 100% of CDH CDO’s interest in WRP Management.

127 West 25 ^th Street – loan payoff - On March 1, 2013 the loan collateralized by the property located at 127 West 25th Street, New York, New York was paid off in full at par. There was no gain or loss recognized on the payoff.

180 N Michigan – loan payoff - On March 28, 2013 the loan collateralized by the property located at 180 North Michigan Avenue, Chicago, Illinois was paid off in full at par. There was no gain or loss recognized on the payoff.

Financing Activity:

Recourse Secured Financings – loan payments - During the quarter ended March 31, 2013, several of the condominium units collateralizing the Queensridge loan receivable were sold resulting in principal payments to the Trust of approximately $10,117,000. The Trust made identical principal payments on its recourse debt with KeyBank. As a result of the payments, the outstanding principal balance on the Queensridge loan and the KeyBank recourse secured financing were reduced to $28,976,000 and $13,653,000, respectively, at March 31, 2013.

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Reportable Segments

3 Months Ended

Mar. 31, 2013

Reportable Segments [Abstract]

Reportable Segments

16. Reportable Segments

The Financial Accounting Standards Board (“FASB”) guidance on segment reporting establishes standards for the way that public business enterprises report information about operating segments in financial statements and requires that those enterprises report selected financial information about operating segments in interim financial reports issued to shareholders. Based on the Trust’s method of internal reporting, management determined that it has three operating segments: (i) the ownership of operating properties; (ii) the origination and acquisition of loans and debt securities secured directly or indirectly by commercial and multi-family real property – collectively, loan assets; and (iii) the ownership of equity and debt securities in other REITs – REIT securities.

The operating properties segment includes all of the Trust’s wholly and partially owned operating properties. The loan assets segment includes all of the Trust’s activities related to real estate loans including loans receivable, loan securities and equity investments in loan related entities. The REIT securities segment includes all of the Trust’s activities related to the ownership of securities in other publicly traded real estate companies. In addition to its three business segments, the Trust reports non-segment specific income and expense under corporate income (expense).

The following table summarizes the Trust’s assets by business segment for the periods ended March 31, 2013 and December 31, 2012 (in thousands):

	March 31, 2013		December 31, 2012
Assets
Operating properties	$	611,962	$	562,822
Loan assets		157,248		239,534
REIT securities		12,220		19,694
Corporate
Cash and cash equivalents		131,448		97,682
Restricted cash		2,786		—
Accounts receivable and prepaids		431		336
Deferred financing costs		2,982		3,095
Total Assets	$	919,077	$	923,163
Capital Expenditures
Operating Properties	$	502	$	12,417

The Trust defines net operating income for each segment presented as all items of income and expense directly derived from or incurred by each business segment before depreciation, amortization and interest expense. Interest on cash reserves, general and administrative expenses and other non-segment specific income and expense items are reported under corporate income (expense). The following table presents a summary of revenues from operating properties, loan assets and REIT securities and expenses incurred by each segment for the three months ended March 31, 2013 and 2012 (in thousands):

\	For the Three Months Ended
	March 31,			March 31,
	2013			2012
Operating Properties
Rents and reimbursements	$	15,179		$	11,793
Operating expenses		(4,930	)		(4,331	)
Real estate taxes		(946	)		(1,192	)
Equity in earnings of preferred equity investment in Fenway-Wateridge		202			—
Equity in loss of Sealy Northwest Atlanta		(146	)		(56	)
Equity in loss of Sealy Newmarket		—			(722	)
Equity in loss of Marc Realty investment		(60	)		(347	)
Equity in income of WRT-Elad		443			543
Equity in income of Vintage		1,921			339
Equity in income of 701 Seventh Avenue		697			—
Equity in income of Fenway-Wateridge		36			—
Equity in income of Mentor		17			—
Operating income		12,413			6,027
Depreciation and amortization expense		(5,174	)		(3,537	)
Interest expense		(3,625	)		(3,098	)
Operating properties net income (loss)		3,614			(608	)
Loan Assets
Interest		4,454			2,399
Discount accretion		716			2,833
Unrealized gain on loan securities carried at fair value		—			164
Equity in income of ROIC Riverside		—			234
Equity in loss of ROIC Lakeside Eagle		(13	)		(12	)
Equity in income of Concord Debt Holdings		35			296
Equity in income of CDH CDO		150			394
Equity in income of Concord Debt Holdings (1)		14			—
Equity in income of CDH CDO (1)		480			—
Equity in income of WRT-Stamford		221			89
Equity in loss of SoCal Office Loan Portfolio		—			(345	)
Equity in income of RE CDO management		3,770			11
Equity in income of 10 Metrotech		304			—
Operating income		10,131			6,063
General and administrative expense		(14	)		(5	)
Interest expense		(580	)		(334	)
Loan assets net income		9,537			5,724
REIT Securities
Interest and dividends		150			286
(Loss) gain on sale of securities carried at fair value		(102	)		26
Unrealized gain on securities carried at fair value		1,718			4,932
REIT securities net income		1,766			5,244
Net income from segments before corporate income (expense)		14,917			10,360
Reconciliations to GAAP Net Income:
Corporate Income (Expense)
Interest income		70			101
Interest expense		(1,827	)		(292	)
General and administrative		(833	)		(878	)
Related party fees		(2,266	)		(2,027	)
Transaction costs		(6	)		(121	)
State and local taxes		(17	)		(6	)
Income from continuing operations before non-controlling interest		10,038			7,137
Non-controlling interest		795			901
Income from continuing operations		10,833			8,038
Income from discontinued operations		2,913			215
Net Income Attributable to Winthrop Realty Trust	$	13,746		$	8,253

(1) Represents the interest acquired from Lexington Realty Trust on May 1, 2012.

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Non-controlling Interests

3 Months Ended

Mar. 31, 2013

Non-controlling Interests [Abstract]

Non-controlling Interests

12. Non-controlling Interests

Houston, Texas Operating Property – During the first quarter 2013, a wholly-owned subsidiary of the Trust acquired a quarter-unit limited partner interest, representing 1% of Westheimer Holding LP (“Westheimer”) for a purchase price of $75,000. As a result, the Trust now owns 31% of Westheimer. The Trust accounted for this purchase as an equity transaction recording the difference in the $127,000 carrying value of the acquired non-controlling interest and the purchase price as a $52,000 increase in paid-in capital.

Deer Valley Operating Property – On March 29, 2012 the Trust purchased the 3.5% non-controlling ownership interest of its consolidated joint venture, WRT-DV LLC, for $400,000. The Trust accounted for the purchase as an equity transaction recording the difference in the $192,000 carrying value of the acquired non-controlling interest and the purchase price as a $208,000 reduction in paid-in capital.

The changes in the Trust’s ownership interest in the subsidiaries impacted consolidated equity during the period shown as follows:

	Three Months Ended
	March 31,
	2013		2012
Net income attributable to Winthrop Realty Trust	$	13,746	$	8,253
Increase (decrease) in Winthrop Realty Trust paid in capital adjustments from transaction with non-controlling interests		52		(208	)
Changes from net income attributable to Winthrop Realty
Trust and transfers from non-controlling interest	$	13,798	$	8,045

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Variable Interest Entities (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 Investment Entity Venture Asset	Mar. 31, 2013 Cerritos [Member]	Mar. 31, 2013 Cerritos [Member] Mortgage Debt Notes A [Member]	Mar. 31, 2012 Cerritos [Member] Mortgage Debt Notes B [Member]	Mar. 31, 2013 1515 Market Street Loan Modification [Member]	Mar. 31, 2012 1515 Market Street Loan Modification [Member]
Variable Interest Entity [Line Items]
Land and building		$ 21,396,000				$ 43,143,000
Net of accumulated depreciation		369,000				142,000
Lease intangibles		3,457,000				16,832,000
Accumulated amortization		300,000				368,000
Mortgage debt			$ 23,174,000	$ 860,000
Trust acquired equity					49.00%
Variable Interest Entities (Textual) [Abstract]
Variable interest entity ownership percentage	100.00%
Number of identified consolidated variable interest entities	2
Identified investments	11
Investments with no equity at risk	7
Number of additional entities	4
Unconsolidated joint venture	11
Number of assets identified as variable interests in variable interest entities	4
Investments lacking the right to receive returns	1

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Debt

3 Months Ended

Mar. 31, 2013

Debt/Senior Notes Payable [Abstract]

Debt

8. Debt

Mortgage Loans Payable

The Trust had outstanding mortgage loans payable of $278,824,000 and $280,576,000 at March 31, 2013 and December 31, 2012, respectively. The mortgage loan payments of principal and interest are generally due monthly, quarterly or semi-annually and are collateralized by applicable real estate of the Trust.

The Trust’s mortgage loans payable at March 31, 2013 and December 31, 2012 are summarized as follows (in thousands):

Location of Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31, 2013			March 31, 2013		December 31,  2012
Amherst, NY	Oct 2013	—		5.65	%	$	15,104	$	15,225
Memphis, TN	Aug 2014	Libor + 2.5%(1)		3.00	%		13,337		13,408
Lisle, IL	Oct 2014	Libor + 2.5%(2)		2.71	%		5,752		5,752
Chicago, IL	Apr 2015	—		6.25	%		8,700		8,700
Chicago, IL	Mar 2016	—		5.75	%		20,112		20,200
Houston, TX	Apr 2016	—		6.12	%		50,896		52,052
New York, NY	May 2016	Libor + 2.5%(3)		3.50	%		51,982		51,982
Greensboro, NC	Aug 2016	—		6.22	%		15,039		15,139
Lisle, IL	Mar 2017	—		5.55	%		5,524		5,543
Cerritos, CA	Jan 2017	—		5.07	%		23,174		23,184
Orlando, FL	Jul 2017	—		6.40	%		37,426		37,580
Plantation, FL	Apr 2018	—		6.48	%		10,778		10,811
Meriden, CT	Oct 2022	—		3.95	%		21,000		21,000
						$	278,824	$	280,576

(1) The loan has a LIBOR floor of 0.5% and an interest rate cap which caps LIBOR at 0.5%.

(2) The loan has an interest rate cap which caps LIBOR at 1%.

(3) The loan has a LIBOR floor of 1%.

Non-Recourse Secured Financing

The Trust’s non-recourse secured financings at March 31, 2013 and December 31, 2012 are summarized as follows (in thousands):

						Carrying Value
Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31,  2013			March 31, 2013		December 31,  2012
Hotel Wales Loan	Oct. 2013	LIBOR plus 1.25%(1)		4.25	%	$	14,000	$	14,000
San Marbeya Loan	Jan. 2015	—		4.85	%		15,150		15,150
						$	29,150	$	29,150

(1) The loan has a LIBOR floor of 3%.

Recourse Secured Financings

The Trust’s recourse secured financings at March 31, 2013 and December 31, 2012 are summarized as follows (in thousands):

						Carrying Value
Collateral	Maturity	Spread Over LIBOR/Prime	Interest Rate at March 31, 2013			March 31, 2013		December 31,  2012
Queensridge Loan	Nov. 2014	LIBOR plus 4%		4.20	%	$	13,653	$	23,770
						$	13,653	$	23,770

Notes Payable

In conjunction with the loan modification on the property located in Cerritos, California the Trust assumed a $14,500,000 B Note that bears interest at 6.6996% per annum and requires monthly payments of approximately $12,000 with the balance of the interest accruing. The loan modification agreement provides for a participation feature whereby the B Note can be fully satisfied with proceeds from the sale of the property after the Trust receives its 9.0% priority return on its capital, during a specified time period as defined in the loan modification document. As of March 31, 2013, the carrying value of the participating B Note was $860,000 which approximates fair value. The inputs used in determining the estimated fair value of the Trust’s Notes Payable are categorized as Level 3 in the fair value hierarchy.

On October 15, 2012, 5400 Westheimer LP, an entity in which the Trust holds an interest, executed a note payable in the amount of $1,600,000. The note bears interest at 15% per annum and matures on October 15, 2022. Since the Trust holds 50% of the loan, $800,000 of the note payable is eliminated in consolidation for accounting purposes. The balance of the note as of March 31, 2013 was $800,000 which approximates fair value.

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Equity Investments (Details 1) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Sealy [Member]	Mar. 31, 2013 Vintage Housing LLC [Member]	Mar. 31, 2013 WRT-Elad One South State Equity LP [Member]	Mar. 31, 2013 WRT-Elad One South State Lender LP [Member]	Mar. 31, 2013 WRT-Stamford LLC [Member]	Mar. 31, 2013 10 Metrotech Loan LLC [Member]	Mar. 31, 2013 RE CDO Management LLC [Member]	Mar. 31, 2013 Mentor Retail LLC [Member]	Mar. 31, 2013 Concord Debt Holdings LLC [Member]	Mar. 31, 2013 CDH CDO LLC [Member]	Mar. 31, 2013 701 7th WRT Investors LLC [Member]	Mar. 31, 2013 WRT-Fenway Wateridge LLC [Member]	Mar. 31, 2013 CDH CDO LLC (1) [Member]	Mar. 31, 2013 Marc Realty [Member]	Mar. 31, 2013 WRT - ROIC Lakeside Eagle LLC [Member]	Mar. 31, 2013 Concord Debt Holdings LLC (1) [Member]	Mar. 31, 2013 SoCal Office Portfolio Loan LLC [Member]	Dec. 31, 2012 SoCal Office Portfolio Loan LLC [Member]
Activity of the Trust's equity investments
Beginning Balance	$ 134,859,000		$ 8,104,000	$ 30,534,000	$ 460,000	$ 24,644,000	$ 8,501,000	$ 10,845,000	$ 1,779,000	$ 551,000			$ 28,735,000	$ 1,522,000	$ 322,000	$ 14,880,000		$ 3,974,000	$ 8,000	$ 8,000
Investment in equity investments	13,000	23,835,000															13,000
Equity Income (loss)	7,869,000	424,000	(146,000)	1,921,000	(460,000)	903,000	221,000	304,000	3,770,000	17,000	35,000	150,000	697,000	36,000	480,000	(60,000)	(13,000)	14,000
Distributions	7,822,000	2,764,000		(654,000)		(2,100,000)	(86,000)	(304,000)	(4,451,000)		(35,000)	(137,000)	(394,000)		(137,000)	(158,000)		(35,000)
Sales Price	(26,000)	(250,000)										(13,000)			(13,000)
Ending Balance	$ 134,224,000		$ 7,958,000	$ 31,801,000		$ 23,447,000	$ 8,636,000	$ 10,845,000	$ 1,098,000	$ 568,000			$ 29,038,000	$ 1,558,000	$ 652,000	$ 14,662,000		$ 3,953,000	$ 8,000	$ 8,000

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Securities Carried at Fair Value

3 Months Ended

Mar. 31, 2013

Securities Carried at Fair Value [Abstract]

Securities Carried at Fair Value

6. Securities Carried at Fair Value

Securities carried at fair value are summarized in the table below (in thousands):

	March 31, 2013				December 31, 2012
	Cost		Fair Value		Cost		Fair Value
REIT Common shares	$	8,920	$	12,220	$	15,876	$	19,694
Loan securities		161		11		161		11
	$	9,081	$	12,231	$	16,037	$	19,705

During the three months ended March 31, 2013, securities carried at fair value were sold for total proceeds of approximately $9,090,000. The Trust recorded a loss on these sales of approximately $102,000 in the three months ended March 31, 2013.

During the three months ended March 31, 2012, securities carried at fair value were sold for total proceeds of approximately $4,302,000. The Trust recorded a gain on these sales of approximately $26,000 in the three months ended March 31, 2012.

For purpose of determining gains or losses, the cost of securities is based on specific identification. For the three months ended March 31, 2013 and 2012, the Trust recognized net unrealized gains on securities carried at fair value and loan securities carried at fair value of $1,718,000, and $5,096,000 respectively, as the result of the change in fair value of the financial assets for which the fair value option was elected.

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Equity Investments

3 Months Ended

Mar. 31, 2013

Equity Investments [Abstract]

Equity Investments

7. Equity Investments

The Trust’s carrying amounts in its equity investments consist of the following at March 31, 2013 and December 31, 2012 (in thousands):

Venture Partner	Equity Investment	Nominal % Ownership at March 31, 2013			March 31, 2013		December 31, 2012
VHH LLC (1)	Vintage Housing LLC		75.0	%	$	31,801	$	30,534
Elad Canada Ltd	WRT-Elad One South State Equity LP		50.0	%		—		460
Elad Canada Ltd	WRT-Elad One South State Lender LP		50.0	%		23,447		24,644
Mack-Cali	WRT-Stamford LLC		20.0	%		8,636		8,501
Atrium/Northstar	10 Metrotech Loan LLC		33.3	%		10,845		10,845
Atrium Holding	RE CDO Management LLC		50.0	%		1,098		1,779
Freed	Mentor Retail LLC		49.9	%		568		551
Inland	Concord Debt Holdings LLC		33.3	%		—		—
Inland	CDH CDO LLC		24.8	%		—		—
Inland (2)	Concord Debt Holdings LLC		33.3	%		3,953		3,974
Inland (2)	CDH CDO LLC		24.8	%		652		322
Sealy (1)	Northwest Atlanta Partners LP		60.0	%		7,958		8,104
Sealy (1)	Newmarket GP LLC		68.0	%		—		—
Sealy (1)	Airpark Nashville GP		50.0	%		—		—
Marc Realty (1)	Brooks Building LLC		50.0	%		8,021		7,983
Marc Realty (1)	High Point Plaza LLC		50.0	%		2,180		2,241
Marc Realty (1)	1701 Woodfield LLC		50.0	%		1,964		1,977
Marc Realty (1)	Enterprise Center LLC		50.0	%		2,497		2,679
ROIC	WRT-ROIC Lakeside Eagle LLC		50.0	%		—		—
New Valley/Starwood	Socal Office Portfolio Loan LLC		73.0	%		8		8
New Valley/Witkoff	701 7th WRT Investors LLC		60.9	%		29,038		28,735
Fenway	WRT-Fenway Wateridge LLC		50.0	%		1,558		1,522
					$	134,224	$	134,859

(1) The Trust has determined that these equity investments are investments in VIEs. The Trust has determined that it is not the primary beneficiary of these VIEs since the Trust does not have the power to direct the activities that most significantly impact the economic performance of the VIEs.

(2) Represents the interests acquired from Lexington Realty Trust on May 1, 2012.

The following table reflects the activity of the Trust’s equity investments for the period ended March 31, 2013 (in thousands):

Investment	Balance at December 31, 2012		Contributions		Equity Income (loss)			Distributions			Sales Price			Balance at March 31, 2013
Vintage Housing LLC (2)	$	30,534	$	—	$	1,921		$	(654	)	$	—			31,801
WRT-Elad One South State Equity LP (2)		460		—		(460	)		—			—			—
WRT-Elad One South State Lender LP (2)		24,644		—		903			(2,100	)		—			23,447
WRT-Stamford LLC		8,501		—		221			(86	)		—			8,636
10 Metrotech LLC		10,845		—		304			(304	)		—			10,845
RE CDO Management LLC		1,779		—		3,770			(4,451	)		—			1,098
Mentor Retail LLC		551		—		17			—			—			568
Concord Debt Holdings LLC		—		—		35			(35	)		—			—
CDH CDO LLC		—		—		150			(137	)		(13	)		—
701 7th WRT Investors LLC (3)		28,735		—		697			(394	)		—			29,038
WRT-Fenway Wateridge LLC (2)		1,522		—		36			—			—			1,558
CDH CDO LLC (1)		322		—		480			(137	)		(13	)		652
Sealy		8,104		—		(146	)		—			—			7,958
Marc Realty		14,880		—		(60	)		(158	)					14,662
WRT-ROIC Lakeside Eagle LLC		—		13		(13	)		—			—			—
SoCal Office Portfolio Loan LLC		8		—		—			—			—			8
Concord Debt Holdings LLC (1)		3,974		—		14			(35	)		—			3,953
Total	$	134,859	$	13	$	7,869		$	(8,491	)	$	(26	)	$	134,224

(1) Represents the interests acquired from Lexington Realty Trust on May 1, 2012.

(2) The Trust has elected to report its share of earnings from the investment on a one month lag period.

(3) The Trust has elected to report its share of earnings from the investment on a three month lag period.

The Trust has determined that the fair value of certain of its investments in the Marc Realty and Sealy ventures each marginally exceed their carrying values. While these ventures continue to aggressively market available space for lease and work with existing tenants for lease renewal, declines in occupancy could cause impairment of certain of these ventures that could be material.

WRT-Elad - The Trust holds its mezzanine loan interest in Sullivan Center through WRT-Elad Lender LP (“Lender LP”) and its profits participation interest through WRT-Elad Equity LP (“Equity LP”). On February 18, 2013, a forbearance agreement was entered into whereby Lender LP agreed to forbear from exercising its rights under the loan documents with respect to the borrower’s failure to pay debt service for the period from December 2012 through October 2013. To the extent such debt service is not paid, debt service will accrue and be added to the outstanding principal balance of the mezzanine loan on each applicable monthly payment date. In exchange for the forbearance, Equity LP’s indirect future interest in the property increased by 5%, with a corresponding decrease in the borrower’s general partner’s interest. In consideration for the forbearance the borrower is required to pay a $1,400,000 fee to Lender LP on or prior to November 9, 2013. If the $1,400,000 is not paid, in lieu of payment, then Equity LP’s indirect future interest in the property will increase by an additional 6% with a corresponding decrease to the general partner’s interest.

Concord - On February 25, 2013, the Trust sold for $25,000 a 17% interest in the equity of CDH CDO LLC, exclusive of the interest in the entity that holds the collateral management agreement of CDH CDO, to Inland American. The sale of the interest was bifurcated between the Trust’s original interest and the interest acquired from Lexington Realty Trust with $12,500 of the sales price being allocated to each interest. The Trust recognized a gain of $12,500 on the sale of its original interest and a loss of $123,000 on the sale of its other interest. The sale of the interest did not affect the voting rights within CDH CDO LLC and did not result in a change in control. The Trust will continue to account for its investments in CDH CDO LLC under the equity method.

The summarized balance sheets of the Trust’s Vintage Housing venture is as follows (in thousands):

	March 31, 2013		December 31, 2012
ASSETS
Real estate, net	$	343,907	$	340,666
Cash and cash equivalents		6,642		6,555
Receivables and other assets		71,365		68,559
Total Assets	$	421,914	$	415,780
LIABILITIES AND MEMBERS’ CAPITAL
Mortgage and notes payable	$	300,686	$	298,654
Other liabilities		54,572		53,687
Non-controlling interests		17,946		15,997
Members’ Capital		48,710		47,442
Total Liabilities and Members’ Capital	$	421,914	$	415,780
Carrying value of the Trust’s investment in Vintage Housing	$	31,801	$	30,534

The summarized statements of operations of the Trust’s Vintage Housing venture is as follows (in thousands):

	For the Period Ended March 31, 2013			For the Period Ended March 31, 2012
Total revenue	$	10,579		$	9,152
Expenses
Operating		4,817			3,704
Real estate taxes		156			169
Interest		453			1,670
Depreciation and amortization		447			2,303
Other expenses		1,352			1,181
Total expenses		7,225			9,027
Net income		3,354			125
(Income) loss attributable to non-controlling interests	$	(22	)		404
Net income attributable to VHH	$	3,332		$	529
Trust’s share of net income (1)	$	1,921		$	339

(1) The Trust records its investments in Vintage Housing LLC on a one month lag, therefore, amounts in the Trust’s financial statements for the period ended March 31, 2013 are based on balances and results from Vintage Housing LLC for the 3 month period ended February 28, 2013.

The summarized balance sheets of the Trust’s RE CDO Management venture is as follows (in thousands):

	March 31, 2013		December 31, 2012
ASSETS
Cash and cash equivalents	$	205	$	123
Loan receivable		1,062		1,070
Receivables and other assets		947		2,400
Total Assets		2,214		3,593
LIABILITIES AND MEMBERS’ CAPITAL
Other liabilities	$	18	$	36
Members’ Capital		2,196		3,557
Total Liabilities and Members’ Capital	$	2,214	$	3,593
Carrying value of the Trust’s investments in RE CDO Management	$	1,098	$	1,779

The summarized statement of operations of the Trust’s RE CDO Management venture is as follows (in thousands):

	For the Period Ended March 31, 2013		For the Period Ended March 31, 2012
Expenses
General and administrative	$	58	$	107
Other expenses		1,419		32
Total expenses		1,477		139
Other income:
Gain (loss) on sale of investment		8,940		—
Other income		76		161
Total other income		9,016		161
Net income	$	7,539	$	22
Trust’s share of net income	$	3,770	$	11

The one remaining loan receivable is accounted for using the cost recovery method.

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Revolving Line of Credit

3 Months Ended

Mar. 31, 2013

Revolving Line of Credit [Abstract]

Revolving Line of Credit

9. Revolving Line of Credit

The Trust has a revolving line of credit in the principal amount of $50,000,000 which bears interest at LIBOR plus 3% and has a maturity date of March 3, 2014 with a one year option to extend the maturity date to March 3, 2015. The Trust must comply with financial covenants on an ongoing basis. The covenants are tested as of the end of each quarter based upon results for the most recently ended quarter. The Trust was in compliance of its financial covenants under its revolving line of credit as of March 31, 2013.

The revolving line of credit is recourse and as such is effectively collateralized by all of the Trust’s assets. The revolving line of credit requires monthly payments of interest only. To the extent that the amounts outstanding under the facility are in excess of the borrowing base (as calculated per the terms of the loan agreement), the Trust is required to make a principal payment to reduce such excess. The Trust may prepay from time to time without premium or penalty and re-borrow amounts prepaid.

The outstanding balance under the facility was $0 at March 31, 2013 and December 31, 2012. The Trust is required to pay a commitment fee on the unused portion of the line, which amounted to approximately $43,000 for the three months ended March 31, 2013, and approximately $19,000 for the three months ended March 31, 2012.

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Equity Investments (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Expenses
General and administrative	$ 847	$ 883
Other income:
Total other income (loss)	9,757	5,647
RE CDO Management LLC [Member]
Expenses
General and administrative	58	107
Other expenses	1,419	32
Total expenses	1,477	139
Other income:
Gain (loss) on sale of investment	8,940
Other income	76	161
Total other income (loss)	9,016	161
Net income attributable to VHH	7,539	22
Trust's share of net income	$ 3,770	$ 11

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Subsequent Events (Details) (USD $)		1 Months Ended		1 Months Ended
	Mar. 31, 2013 1515 Market Street [Member]	Apr. 30, 2013 Subsequent Event [Member] First Mortgage [Member]	Apr. 25, 2013 Subsequent Event [Member] First Mortgage [Member]	Apr. 30, 2013 Subsequent Event [Member] Original Mortgage [Member]	Apr. 25, 2013 Subsequent Event [Member] Original Mortgage [Member]	Apr. 25, 2013 Subsequent Event [Member] Original Mortgage [Member] 1515 Market Street [Member]
Subsequent Event (Textual) [Abstract]
Non-recourse mortgage loan			$ 43,000,000
Loan bears interest, description of variable rate basis		LIBOR plus 2.0%
Maturity date of loan		May 01, 2016
Mortgage loan, LIBOR rate		0.50%
Loan proceeds received		38,472,000
Original mortgage after the deduction of loan proceeds					33,157,000
Interest rate on mortgage loans				12.90%
Mortgage loans on real estate reduced investment amount					$ 21,098,000
Mortgage loans on real estate effective interest rate on investment				19.60%
Trust acquired equity	49.00%					49.00%
Percentage for participation						40.00%

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Debt (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Mortgage Loans Payable
Interest rate, description	LIBOR plus 3%
Mortgage loans payable	$ 278,824	$ 280,576
Amherst, NY [Member] | Five Point Six Five Percent Loan Due October Two Thousand and Thirteen [Member]
Mortgage Loans Payable
Maturity	Oct 2013
Interest rate, description
Interest rate	5.65%
Mortgage loans payable	15,104	15,225
Memphis, TN [Member] | Three Percent Loan Due August Two Thousand and Fourteen [Member]
Mortgage Loans Payable
Maturity	Aug 2014
Interest rate, description	Libor + 2.5%
Interest rate	3.00%
Mortgage loans payable	13,337	13,408
Lisle, IL [Member] | Two Point Seven One Percent Loan Due October Two Thousand and Fourteen [Member]
Mortgage Loans Payable
Maturity	Oct 2014
Interest rate, description	Libor + 2.5 %
Interest rate	2.71%
Mortgage loans payable	5,752	5,752
Lisle, IL [Member] | Five Point Five Five Percent Loans Due March Two Thousand Seventeen [Member]
Mortgage Loans Payable
Maturity	Mar 2017
Interest rate, description
Interest rate	5.55%
Mortgage loans payable	5,524	5,543
Chicago, IL [Member] | Six Point Two Five Percent Loan Due April Two Thousand and Fifteen [Member]
Mortgage Loans Payable
Maturity	Apr 2015
Interest rate, description
Interest rate	6.25%
Mortgage loans payable	8,700	8,700
Chicago, IL [Member] | Five Point Seven Five Percent Loan Due March Two Thousand and Sixteen [Member]
Mortgage Loans Payable
Maturity	Mar 2016
Interest rate, description
Interest rate	5.75%
Mortgage loans payable	20,112	20,200
Houston, TX [Member] | Six Point One Two Percent Loan Due April Two Thousand and Sixteen [Member]
Mortgage Loans Payable
Maturity	Apr 2016
Interest rate, description
Interest rate	6.12%
Mortgage loans payable	50,896	52,052
New York, NY [Member] | Three Point Five Percent Due May Two Thousand Sixteen [Member]
Mortgage Loans Payable
Maturity	May 2016
Interest rate, description	Libor + 2.5%
Interest rate	3.50%
Mortgage loans payable	51,982	51,982
Greensboro, NC [Member] | Six Point Two Two Percent Loan Due August Two Thousand and Sixteen [Member]
Mortgage Loans Payable
Maturity	Aug 2016
Interest rate, description
Interest rate	6.22%
Mortgage loans payable	15,039	15,139
Cerritos, CA [Member] | Five Point Zero Seven Percent Loan Due January Two Thousand and Seventeen [Member]
Mortgage Loans Payable
Maturity	Jan 2017
Interest rate, description
Interest rate	5.07%
Mortgage loans payable	23,174	23,184
Orlando, FL [Member] | Six Point Four Zero Percent Loans Due July Two Thousand Seventeen [Member]
Mortgage Loans Payable
Maturity	Jul 2017
Interest rate, description
Interest rate	6.40%
Mortgage loans payable	37,426	37,580
Plantation, FL [Member] | Six Point Four Eight Percent Loans Due April Two Thousand Eighteen [Member]
Mortgage Loans Payable
Maturity	Apr 2018
Interest rate, description
Interest rate	6.48%
Mortgage loans payable	10,778	10,811
Meriden CT [Member] | Three Point Nine Five Percent Loan Due October Two Thousand and Twenty Two [Member]
Mortgage Loans Payable
Maturity	Oct 2022
Interest rate, description
Interest rate	3.95%
Mortgage loans payable	$ 21,000	$ 21,000

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Equity Investments (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 131,448	$ 97,682	$ 79,526	$ 40,952
TOTAL ASSETS	919,077	923,163
LIABILITIES AND MEMBERS' CAPITAL
TOTAL LIABILITIES AND EQUITY	919,077	923,163
RE CDO Management LLC [Member]
ASSETS
Cash and cash equivalents	205	123
Loan receivable	1,062	1,070
Receivables and other assets	947	2,400
TOTAL ASSETS	2,214	3,593
LIABILITIES AND MEMBERS' CAPITAL
Other liabilities	18	36
Members' Capital	2,196	3,557
TOTAL LIABILITIES AND EQUITY	2,214	3,593
Carrying value of the Trust's investments in RE CDO Management	$ 1,098	$ 1,779

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Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Designated as Hedging Instrument [Member]

Derivatives, Fair Value [Line Items]

Interest rate derivatives designated and non designated

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value of Cap in Other Comprehensive Income			Unrealized Gain on Cap in Other Comprehensive Income		Change in Cap Valuations Included in Other Comprehensive Income for the Three Months Ended March 31, 2013
Aug 2014		0.50	%	$	13,337	$	22	$	(1	)	$	—	$	—

Not Designated as Hedging Instrument [Member]

Derivatives, Fair Value [Line Items]

Interest rate derivatives designated and non designated

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value		Change in Cap Valuations Included in Interest Expense for the Three Months Ended March 31, 2013
May 2013		1.25	%	$	51,982	$	196	$	—	$	—
Aug 2014		1.75	%		51,982		434		—		—
Oct 2014		1.00	%		5,754		174		1		—

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Acquisitions, Dispositions, Leasing and Financing Activities (Details Textual) (USD $)	3 Months Ended			1 Months Ended	3 Months Ended			1 Months Ended	3 Months Ended				1 Months Ended						3 Months Ended		3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Jan. 31, 2013 Playa Vista Mezzanine Loan [Member] sqft	Mar. 31, 2013 Playa Vista Mezzanine Loan [Member]	Mar. 01, 2013 Playa Vista Mezzanine Loan [Member]	Jan. 24, 2013 Playa Vista Mezzanine Loan [Member]	Jan. 25, 2013 Burbank Centre [Member]	Mar. 31, 2013 127 West 25th Street [Member]	Mar. 31, 2013 180 N. Michigan [Member]	Mar. 31, 2013 Queensridge [Member]	Feb. 25, 2013 Concord Debt Holdings LLC [Member]	Feb. 25, 2013 CDH CDO LLC [Member]	Feb. 20, 2013 RE CDO Management LLC [Member]	Mar. 08, 2013 RE CDO Management LLC [Member]	Mar. 31, 2013 WRT Elad [Member]	Feb. 18, 2013 WRT Elad [Member]	Feb. 25, 2013 WRP Management LLC [Member]	Mar. 31, 2013 1515 Market Street [Member]	Feb. 01, 2013 1515 Market Street [Member]	Mar. 31, 2013 Andover, Massachusetts [Member]	Mar. 31, 2013 Recourse Secured Financings [Member]	Dec. 31, 2012 Recourse Secured Financings [Member]
Acquisition Disposition Leasing and Financing Activities (Textual) [Abstract]
Office building area, square foot				260,000
Mortgage Loan					$ 80,300,000															$ 70,000,000
LIBOR plus					14.25%
Pari passu participation interest in the loan						50.00%
Loan bears interest, description of variable rate basis	LIBOR plus 3%			0.50% LIBOR floor
Mortgage loan, LIBOR floor rate				0.50%
Interest rate					8.25%
Origination Fee (Amount)							205,000
Proceeds from sale of participation interest in loan					10,250,000
Credit allowed to borrower						100,000
Gain or loss recognized on the sale of the interest					0
Maturity date of loan																				Feb. 01, 2016
Increased outstanding principal amount																				71,629,000
Mortgage loans on real estate adjusted interest rate minimum																				7.50%
LIBOR plus																				6.50%
Increased loan balance through future funding advances																				6,000,000
Future advances																				500,000
Fee to be paid by the borrower																1,400,000	1,400,000
Additional increase in indirect future interest																6.00%	6.00%
Gain/loss recognized on payoff									0	0
Aggregate principal payments											10,117,000
Interest rate increase for each future advances																				0.10%
Percentage for participation																				40.00%
Payment to acquire indirect interest																			10,000
Acquired interest rate through indirect																				49.00%
Revenue																			1,861,000
Net Income																			496,000
Gross proceeds from sales																					12,000,000
Net proceeds																					11,425,000
Gain on sale of property																					2,775,000
Principal amount of the loan							20,500,000
Maturity date of loan				Jan. 23, 2015
Purchase price of acquired entity								9,000,000
Percentage of space of retail property leased								100.00%
Business acquisition cost of acquired entity face value								10,000,000
Proceeds from mortgage loans payable		743,000												2,750,000
Transfer Price of collateral management agreement														0
Tranche subordinated interests															6,240,000
Sale of interest													25,000
Trust received distributions															4,416,000
Equity interest Percentage													17.00%
Percentage of Trust Hold Interest Rate													49.67%
Percentage of the ownership												17.00%						100.00%
Carrying Value of Loans Receivable	130,212,000		211,250,000								28,976,000
Non-recourse secured financings																						$ 13,653,000	$ 23,770,000

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies [Abstract]

Commitments and Contingencies

14. Commitments and Contingencies

In addition to the initial purchase price of certain loans and operating properties, the Trust has future funding commitments attributable to its 450 W 14^th Street property, 701 Seventh Avenue investment and 1515 Market Street loan which total approximately $45,104,000 at March 31, 2013. The Trust has a ground lease related to its property located at 450 W 14 ^th Street, New York, New York which expires on June 1, 2053. As of March 31, 2013, in connection with the ground lease, the Trust has commitments of $970,742; $1,405,000; $1,463,000; $1,592,000; $1,656,000 and $109,419,000 for the years ended December 31, 2013, 2014, 2015, 2016, 2017 and thereafter, respectively.

The Trust is involved from time to time in litigation on various matters, including disputes with tenants and disputes arising out of agreements to purchase or sell properties. Given the nature of the Trust’s business activities, these lawsuits are considered routine to the conduct of its business. The result of any particular lawsuit cannot be predicted because of the very nature of litigation, the litigation process and its adversarial nature, and the jury system. The Trust does not expect that the liabilities, if any, that may ultimately result from such legal actions will have a material adverse effect on its financial condition or results of operations.

Churchill, Pennsylvania - In 2011 the Trust was conveyed title to the land underlying the Churchill, Pennsylvania property. Prior to the conveyance of the land, a Phase II environmental study was performed. The study found that there were certain contaminants at the property all of which were within permitted ranges. In addition, given the nature and use of the property currently and in the past, it is possible that there may be contamination that could require remediation. The Trust believes that based on applicable law and existing agreements any such remediation costs would be the responsibility of a prior owner or tenant.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial statements and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements, although management believes that the disclosures presented herein are adequate to make the accompanying unaudited consolidated interim financial statements not misleading. The accompanying unaudited consolidated interim financial statements should be read in conjunction with the audited consolidated annual financial statements and the notes thereto included in Winthrop’s Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC. In the opinion of management, all adjustments considered necessary for fair statements have been included, and all such adjustments are of a normal recurring nature. The results of operations for the three months ended March 31, 2013 are not necessarily indicative of the operating results for the full year.

The accompanying unaudited consolidated financial statements represent the consolidated results of Winthrop, its wholly-owned taxable REIT subsidiary, WRT-TRS Management Corp., the Operating Partnership and all majority-owned subsidiaries and affiliates over which the Trust has financial and operating control and variable interest entities (“VIE”s) in which the Trust has determined it is the primary beneficiary. All significant intercompany balances and transactions have been eliminated in consolidation. The Trust accounts for all other unconsolidated joint ventures using the equity method of accounting. Accordingly, the Trust’s share of the earnings of these joint ventures and companies is included in consolidated net income.

Reclassifications

Reclassifications

Certain prior year balances of accounts receivable have been reclassified to accrued rental income in order to conform to the current year presentation. Discontinued operations for all periods presented in the Consolidated Statements of Operations include the operations of the Trust’s office property in Andover, Massachusetts which was disposed of in March 2013 and the Trust’s retail property in Memphis, Tennessee and its office property in Indianapolis, Indiana, both of which were disposed of in September 2012.

Earnings Per Share

Earnings Per Share

The Trust determines basic earnings per share on the weighted average number of Common Shares outstanding during the period and reflects the impact of participating securities. The Trust computes diluted earnings per share based on the weighted average number of Common Shares outstanding combined with the incremental weighted average effect from all outstanding potentially dilutive instruments.

The Trust has calculated earnings per share in accordance with relevant accounting guidance for participating securities and the two class method. The reconciliation of earnings attributable to Common Shares outstanding for the basic and diluted earnings per share calculation is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2013			2012
Basic
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Basic	$	0.33		$	0.22
Diluted
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Stock options (1)		2			—
Restricted shares (2)		51			—
Diluted weighted-average Common Shares		33,080			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Diluted	$	0.33		$	0.22

(1) The Trust’s outstanding stock options were dilutive for the three months ended March 31, 2013 and 2012. The weighted-average stock options for the three months ended March 31, 2012 was less than one thousand shares.

(2) The Trust’s restricted stock was dilutive for the three months ended March 31, 2013.

For the quarter ended March 31, 2013 the Trust paid a regular quarterly dividend of $0.1625 per Common Share and a regular quarterly dividend of $0.578125 per Series D Preferred Share.

Recently Issued Accounting Standards

Recently Issued Accounting Standards

On February 5, 2013, FASB issued ASU No. 2013-02: Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income, to improve the transparency of reporting the reclassifications of significant amounts out of accumulated other comprehensive income. This guidance requires entities to present the effects on the line items of net income of significant reclasses from accumulated other comprehensive income, either where net income is presented or in the notes, as well as cross-reference to other disclosures currently required under U.S. GAAP for other reclassification items (that are not required under U.S. GAAP) to be reclassified directly to net income in their entirety in the same reporting period. The new disclosure requirements will be effective for annual reporting periods beginning on or after January 1, 2013. The new disclosures will be required for both interim and annual reporting. The Trust has evaluated this new guidance and its adoption did not have a material impact on its consolidated financial statements.

On December 16, 2011, FASB issued ASU No. 2011-11: Balance Sheet (Topic 210)—Disclosures about Offsetting Assets and Liabilities, clarified by ASU No. 2013-1, which requires entities to disclose both gross information and net information about both instruments and transactions eligible for offset in the financial statements particularly for transactions related to derivatives, sale and repurchase agreements and reverse sale and repurchase agreements, and securities borrowing and securities lending arrangements. The new disclosure requirements will be effective for annual reporting periods beginning on or after January 1, 2013. The new disclosures will be required for all prior comparative periods presented. The Trust has evaluated this new guidance and its adoption did not have a material impact on its consolidated financial statements.

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Acquisitions, Dispositions, Leasing and Financing Activities (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Intangible assets acquired and intangible liabilities assumed
Intangible assets carrying value	$ 17,810
Intangible assets acquired and intangible liabilities assumed, weighted average amortization period	9 years
In place lease intangibles [Member]
Intangible assets acquired and intangible liabilities assumed
Intangible assets carrying value	6,542
Intangible assets acquired and intangible liabilities assumed, weighted average amortization period	6 years 2 months 12 days
Above market lease intangibles [Member]
Intangible assets acquired and intangible liabilities assumed
Intangible assets carrying value	2,867
Intangible assets acquired and intangible liabilities assumed, weighted average amortization period	5 years 9 months 18 days
Tenant relationship value [Member]
Intangible assets acquired and intangible liabilities assumed
Intangible assets carrying value	7,388
Intangible assets acquired and intangible liabilities assumed, weighted average amortization period	13 years 3 months 18 days
Lease commissions, legal and marketing fees [Member]
Intangible assets acquired and intangible liabilities assumed
Intangible assets carrying value	1,013
Intangible assets acquired and intangible liabilities assumed, weighted average amortization period	5 years 4 months 24 days
Below market lease intangibles [Member]
Intangible assets acquired and intangible liabilities assumed
Intangible assets carrying value	$ (620)
Intangible assets acquired and intangible liabilities assumed, weighted average amortization period	4 years 2 months 12 days

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Summary of Significant Accounting Policies (Details Textual) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]
Weighted-average stock options		1,000
Quarterly dividend paid per Common Share	$ 0.1625	$ 0.1625
Quarterly dividend paid per Series D Preferred Share	$ 0.57813	$ 0.57813

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Consolidated Statements of Equity (USD $) In Thousands	Total	Preferred Shares of Beneficial Interest	Common Shares of Beneficial Interest	Additional Paid-In Capital	Accumulated Distributions in Excess of Net Income	Accumulated Other Comprehensive Income	Non- Controlling Interests
Beginning balance at Dec. 31, 2011	$ 408,836	$ 40,000	$ 33,041	$ 626,099	$ (311,246)	$ (92)	$ 21,034
Beginning balance, shares at Dec. 31, 2011		1,600	33,041
Net income attributable to Winthrop Realty Trust	8,253				8,253
Net loss attributable to non-controlling interests	(901)						(901)
Distributions to non-controlling interests	(101)						(101)
Contributions from non-controlling interests	218						218
Purchase of non-controlling interests	(400)			(208)			(192)
Dividends paid or accrued on Common Shares of Beneficial Interest ($0.1625 per share in 2013, 2012 respectively)	(5,371)				(5,371)
Dividends paid or accrued on Series D Preferred Shares ($0.57813 per share in 2013, 2012 respectively)	(925)				(925)
Net proceeds from Series D Preferred Share offering	77,772	80,500		(2,728)
Net proceeds from Series D Preferred Share offering, shares		3,220
Change in unrealized loss on interest rate derivatives	(32)					(32)
Stock issued pursuant to dividend reinvestment plan	133		12	121
Stock issued pursuant to dividend reinvestment plan, shares			12
Ending balance at Mar. 31, 2012	487,482	120,500	33,053	623,284	(309,289)	(124)	20,058
Ending balance, shares at Mar. 31, 2012		4,820	33,053
Beginning balance at Dec. 31, 2012	469,264	120,500	33,019	618,426	(317,385)	(50)	14,754
Beginning balance, shares at Dec. 31, 2012		4,820	33,019
Net income attributable to Winthrop Realty Trust	13,746				13,746
Net loss attributable to non-controlling interests	(795)						(795)
Contributions from non-controlling interests	535						535
Purchase of non-controlling interests	(75)			52			(127)
Dividends paid or accrued on Common Shares of Beneficial Interest ($0.1625 per share in 2013, 2012 respectively)	(5,367)				(5,367)
Dividends paid or accrued on Series D Preferred Shares ($0.57813 per share in 2013, 2012 respectively)	(2,787)				(2,787)
Change in unrealized loss on interest rate derivatives	(1)					(1)
Stock issued pursuant to dividend reinvestment plan	115		10	105
Stock issued pursuant to dividend reinvestment plan, shares			10
Issuance of restricted shares, value	43			43
Issuance of restricted shares			100
Ending balance at Mar. 31, 2013	$ 474,678	$ 120,500	$ 33,029	$ 618,626	$ (311,793)	$ (51)	$ 14,367
Ending balance, shares at Mar. 31, 2013		4,820	33,129

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Fair Value Measurements

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Fair Value Measurements

3. Fair Value Measurements

REIT securities, loan securities and derivative financial instruments are reported at fair value. The accounting standards establish a framework for measuring fair value as well as disclosures about fair value measurements. They emphasize that fair value is a market based measurement, not an entity-specific measurement. Therefore a fair value measurement should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, the standards establish a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).

The Trust’s Level 3 loan securities carried at fair value primarily consist of non-agency mortgage-related securities. The non-agency mortgage-related securities market continued to be illiquid during the first quarter of 2013, with low transaction volumes, wide credit spreads, and limited transparency. The Trust values the loan securities carried at fair value it holds based primarily on prices received from a pricing service. The techniques used by the pricing service to develop the prices generally are either: (a) a comparison to transactions involving instruments with similar collateral and risk profiles; or (b) industry standard modeling, such as a discounted cash flow model. The significant inputs and assumptions used to determine the fair value of the Trust’s loan securities include prepayment rates, probability of default, loss severity and yield to maturity percentages.

Recurring Measurements

The table below presents the Trust’s assets measured at fair value on a recurring basis as of March 31, 2013 according to the level in the fair value hierarchy within which those measurements fall (in thousands):

Recurring Basis	Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Securities carried at fair value	$	12,220	$	—	$	—	$	12,220
Loan securities carried at fair value		—		—		11		11
Interest rate caps		—		7		—		7
	$	12,220	$	7	$	11	$	12,238

The table below presents the Trust’s assets measured at fair value on a recurring basis as of December 31, 2012, according to the level in the fair value hierarchy within which those measurements fall (in thousands):

Recurring Basis	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Securities carried at fair value	$	19,694	$	—	$	—	$	19,694
Loan securities carried at fair value		—		—		11		11
Interest rate caps		—		8		—		8
	$	19,694	$	8	$	11	$	19,713

During the three months ended March 31, 2013 and March 31, 2012 there were no transfers between Level 1 and Level 2 fair value assets and liabilities.

The tables below include a roll forward of the balance sheet amounts from January 1, 2013 to March 31, 2013 and from January 1, 2012 to March 31, 2012, including the change in fair value, for financial instruments classified by the Trust within Level 3 of the valuation hierarchy (in thousands). When a determination is made to classify a financial instrument within Level 3 of the valuation hierarchy, the determination is based upon the significance of the unobservable factors to the overall fair value measurement.

Loan Securities Carried at Fair Value	Three Months Ended March 31, 2013		Three Months Ended March 31, 2012
Fair value, January 1	$	11	$	5,309
Net unrealized gain		—		164
Sales		—		—
Payoff at par		—		—
Fair value, March 31	$	11	$	5,473
The amount of total gains or losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	$	—	$	164

Quantitative Information about Level 3 Fair Value Measurements

At March 31, 2013 the Trust held only one loan security which is valued at $11,000, or 1% of face value. The valuation reflects assumptions that would be considered by market participants along with management’s assessment of collectible future cash flows.

Non-Recurring Measurements

Non-recurring measurements of fair value of assets or liabilities would typically include investments in real estate and equity investments. The Trust did not recognize any valuation adjustments as a result of non-recurring measurements for the three months ended March 31, 2013 or March 31, 2012.

Financial Instruments Not Reported at Fair Value

The carrying value and estimated fair value of financial instruments not recorded at fair value on a recurring basis but required to be disclosed at fair value were as follows (in thousands):

	March 31, 2013
	Carrying Amount				Fair value hierarchy level
			Fair Value		Level 1		Level 2		Level 3
Loans receivable	$	130,212	$	143,247		—		—		143,247
Mortgage loans payable		278,824		269,423		—		—		269,423
Senior notes payable		86,250		89,700		89,700		—		—
Secured financings		42,803		43,098		—		—		43,098
Notes payable		1,660		1,660		—		—		1,660
	December 31, 2012
	Carrying Amount				Fair value hierarchy level
			Fair Value		Level 1		Level 2		Level 3
Loans receivable	$	211,250	$	222,246		—		—		222,246
Mortgage loans payable		280,576		270,923		—		—		270,923
Senior notes payable		86,250		89,183		89,183		—		—
Secured financings		52,920		53,253		—		—		53,253
Notes payable		1,676		1,676		—		—		1,676

Loans Receivable and Mortgage Loans Payable

Fair values of loans receivable and mortgage loans payable are primarily determined by discounting the expected cash flows at current interest rates plus an applicable risk spread, which reflects credit quality and maturity of the loans. The risk spread is based on loans with comparable credit quality, maturities and risk profile. Loans receivable may also be based on the fair value of the underlying real estate collateral less cost to sell, which is estimated using appraised values. These are classified as Level 3.

Fair Value Option

The current accounting guidance for fair value measurement provides a fair value option election that allows companies to irrevocably elect fair value as the measurement attribute for certain financial assets and liabilities. Changes in fair value for assets and liabilities for which the election is made are recognized in earnings on a quarterly basis based on the then market price regardless of whether such assets or liabilities have been disposed of at such time. The fair value option guidance permits the fair value option election to be made on an instrument by instrument basis when it is initially recorded or upon an event that gives rise to a new basis of accounting for that asset or liability. The Trust elected the fair value option for all loan securities and REIT securities acquired.

For these securities, during the three months ended March 31, 2013 and 2012, the Trust recognized net unrealized gains of $1,718,000 and $5,096,000, respectively. The change in fair value of the REIT securities and loan securities for which the fair value option was elected is recorded as an unrealized gain or loss in the Trust’s Consolidated Statements of Operations. Income related to securities carried at fair value is recorded as interest and dividend income.

The following table presents as of March 31, 2013 and December 31, 2012 the Trust’s financial assets for which the fair value option was elected (in thousands):

Financial Instruments at Fair Value	March 31, 2013		December 31, 2012
Assets
Securities carried at fair value:
REIT common shares	$	12,220	$	19,694
Loan securities carried at fair value		11		11
	$	12,231	$	19,705

The table below presents as of March 31, 2013 the difference between fair values and the aggregate contractual amounts due for which the fair value option has been elected (in thousands):

	Fair Value at March 31, 2013		Amount Due Upon Maturity		Difference
Assets
Loan securities carried at fair value	$	11	$	1,130	$	1,119
	$	11	$	1,130	$	1,119

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Securities Carried at Fair Value (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Securities Carried at Fair Value (Textual) [Abstract]
Proceeds from sale of securities carried at fair value	$ 9,090,000	$ 4,302,000
Realized gain (loss) on sale of securities carried at fair value	(102,000)	26,000
Net unrealized gain on securities carried at fair value	$ 1,718,000	$ 5,096,000

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Reportable Segments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Properties
Rents and reimbursements	$ 15,179	$ 11,793
Real estate taxes	(946)	(1,192)
Equity in (loss) income of equity investments	7,869	424
Depreciation and amortization expense	(5,174)	(3,537)
Interest expense	(6,032)	(3,724)
Loan Assets
Interest income	70	101
Loan discount accretion	716	2,833
General and administrative expense	(847)	(883)
Provision for loss on loans receivable	0
REIT Securities
Interest and dividends	5,320	5,518
(Loss) gain on sale of securities carried at fair value	(102)	26
Corporate Income (Expense)
Related party fees	2,266	2,027
Income from continuing operations before non-controlling interest	10,038	7,137
Non-controlling interest	(795)	(901)
Income from discontinued operations	2,913	215
Operating Segments [Member]
Operating Properties
Rents and reimbursements	15,179	11,793
Operating expenses	(4,930)	(4,331)
Real estate taxes	(946)	(1,192)
Operating income	12,413	6,027
Depreciation and amortization expense	(5,174)	(3,537)
Interest expense	(3,625)	(3,098)
Operating properties net income (loss)	3,614	(608)
Operating Segments [Member] | Fenway-Wateridge [Member]
Operating Properties
Equity in earnings of preferred equity investment	202
Equity in (loss) income of equity investments	36
Operating Segments [Member] | Sealy Northwest Atlanta [Member]
Operating Properties
Equity in (loss) income of equity investments	(146)	(56)
Operating Segments [Member] | Sealy Newmarket [Member]
Operating Properties
Equity in (loss) income of equity investments		(722)
Operating Segments [Member] | Marc Realty [Member]
Operating Properties
Equity in (loss) income of equity investments	(60)	(347)
Operating Segments [Member] | WRT Elad [Member]
Operating Properties
Equity in (loss) income of equity investments	443	543
Operating Segments [Member] | Vintage [Member]
Operating Properties
Equity in (loss) income of equity investments	1,921	339
Operating Segments [Member] | 701 Seventh Avenue [Member]
Operating Properties
Equity in (loss) income of equity investments	697
Operating Segments [Member] | Mentor [Member]
Operating Properties
Equity in (loss) income of equity investments	17
Loan Assets [Member]
Operating Properties
Operating income	10,131	6,063
Interest expense	(580)	(334)
Operating properties net income (loss)	9,537	5,724
Loan Assets
Interest income	4,454	2,399
Loan discount accretion	716	2,833
Unrealized gain on loan securities carried at fair value		164
General and administrative expense	(14)	(5)
Loan Assets [Member] | Sealy ROIC Riverside [Member]
Operating Properties
Equity in (loss) income of equity investments		234
Loan Assets [Member] | ROIC Lakeside Eagle [Member]
Operating Properties
Equity in (loss) income of equity investments	(13)	(12)
Loan Assets [Member] | Concord Debt Holdings [Member]
Operating Properties
Equity in (loss) income of equity investments	35	296
Loan Assets [Member] | CDH CDO LLC [Member]
Operating Properties
Equity in (loss) income of equity investments	150	394
Loan Assets [Member] | Concord Debt Holdings (1) [Member]
Operating Properties
Equity in earnings of preferred equity investment	14
Loan Assets [Member] | CDH CDO (1) [Member]
Operating Properties
Equity in earnings of preferred equity investment	480
Loan Assets [Member] | WRT-Stamford [Member]
Operating Properties
Equity in (loss) income of equity investments	221	89
Loan Assets [Member] | SoCal Office Loan Portfolio [Member]
Operating Properties
Equity in (loss) income of equity investments		(345)
Loan Assets [Member] | RE CDO Management [Member]
Operating Properties
Equity in (loss) income of equity investments	3,770	11
Loan Assets [Member] | 10 Metrotech [Member]
Operating Properties
Equity in (loss) income of equity investments	304
REIT Securities [Member]
Operating Properties
Operating properties net income (loss)	1,766	5,244
Loan Assets
Unrealized gain on loan securities carried at fair value	1,718	4,932
REIT Securities
Interest and dividends	150	286
(Loss) gain on sale of securities carried at fair value	(102)	26
Net income from segments before corporate income (expense)	14,917	10,360
Corporate Income (Expense)
Net Income Attributable to Winthrop Realty Trust	14,917	10,360
Reconciliations to GAAP Net Income [Member]
Operating Properties
Interest expense	1,827	292
Loan Assets
Interest income	70	101
General and administrative expense	833	878
REIT Securities
Net income from segments before corporate income (expense)	13,746	8,253
Corporate Income (Expense)
Related party fees	(2,266)	(2,027)
Transaction costs	(6)	(121)
State and local taxes	(17)	(6)
Income from continuing operations before non-controlling interest	10,038	7,137
Non-controlling interest	795	901
Income from continuing operations	10,833	8,038
Income from discontinued operations	2,913	215
Net Income Attributable to Winthrop Realty Trust	$ 13,746	$ 8,253

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Debt (Details Textual) (USD $)	3 Months Ended		1 Months Ended					3 Months Ended	1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Oct. 31, 2012 5400 Westminster LP [Member]	Mar. 31, 2013 Two Point Seven One Percent Loan Due October Two Thousand and Fourteen [Member]	Mar. 31, 2013 Three Percent Loan Due August Two Thousand and Fourteen [Member] Memphis, TN [Member]	Mar. 31, 2013 Three Point Five Percent Due May Two Thousand Sixteen [Member]	Mar. 31, 2013 Hotel Wales Loan [Member]	Mar. 31, 2013 Note B [Member] Cerritos, CA [Member]	Oct. 31, 2012 Notes Payable, Other Payables [Member]	Mar. 31, 2013 Notes Payable, Other Payables [Member]
Debt (Textual) [Abstract]
Debt instrument basis spread on floor rate	0.50%					1.00%	3.00%
Debt instrument interest rate cap basis spread at LIBOR				1.00%	0.50%
Interest Rate of B Note								6.6996%	15.00%
Amount payable on notes for interest accruing								$ 12,000
Note Issued								14,500,000	1,600,000
Percentage on return on capital								9.00%
Percentage of trust holds loan			50.00%
Maturity period of the assumed debt	Aug. 15, 2022								Oct. 15, 2022
Eliminated amount of note									800,000
Outstanding balance of loan								860,000		800,000
Debt (Additional Textual) [Abstract]
Outstanding mortgage loans payable	$ 278,824,000	$ 280,576,000

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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Reconciliation of earnings attributable to Common Shares outstanding for the basic and diluted EPS

	Three Months Ended
	March 31,
	2013			2012
Basic
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Basic	$	0.33		$	0.22
Diluted
Income from continuing operations	$	10,038		$	7,137
Loss attributable to non-controlling interest		795			901
Preferred dividend of Series D Preferred Shares		(2,787	)		(925	)
Amount allocated to restricted shares		(2	)		—
Income from continuing operations applicable to Common Shares		8,044			7,113
Income from discontinued operations		2,913			215
Net income applicable to Common Shares for earnings per share purposes	$	10,957		$	7,328
Basic weighted-average Common Shares		33,027			33,052
Stock options (1)		2			—
Restricted shares (2)		51			—
Diluted weighted-average Common Shares		33,080			33,052
Income from continuing operations	$	0.24		$	0.22
Income (loss) from discontinued operations		0.09			—
Earnings per Common Share - Diluted	$	0.33		$	0.22

(1) The Trust’s outstanding stock options were dilutive for the three months ended March 31, 2013 and 2012. The weighted-average stock options for the three months ended March 31, 2012 was less than one thousand shares.

(2) The Trust’s restricted stock was dilutive for the three months ended March 31, 2013.

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Derivative Financial Instruments (Details Textual) (Cash Flow Hedging [Member], Interest Rate Contract [Member], USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Derivative Financial Instruments (Textual) [Abstract]
Interest rate hedges designated and qualifying as a cash flow hedge	$ 1,000	$ 32,000

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Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2013

Reportable Segments [Abstract]

Summary of assets by business segment

	March 31, 2013		December 31, 2012
Assets
Operating properties	$	611,962	$	562,822
Loan assets		157,248		239,534
REIT securities		12,220		19,694
Corporate
Cash and cash equivalents		131,448		97,682
Restricted cash		2,786		—
Accounts receivable and prepaids		431		336
Deferred financing costs		2,982		3,095
Total Assets	$	919,077	$	923,163
Capital Expenditures
Operating Properties	$	502	$	12,417

Summary of revenues from operating properties, loan assets and REIT securities and expenses incurred by each segment

\	For the Three Months Ended
	March 31,			March 31,
	2013			2012
Operating Properties
Rents and reimbursements	$	15,179		$	11,793
Operating expenses		(4,930	)		(4,331	)
Real estate taxes		(946	)		(1,192	)
Equity in earnings of preferred equity investment in Fenway-Wateridge		202			—
Equity in loss of Sealy Northwest Atlanta		(146	)		(56	)
Equity in loss of Sealy Newmarket		—			(722	)
Equity in loss of Marc Realty investment		(60	)		(347	)
Equity in income of WRT-Elad		443			543
Equity in income of Vintage		1,921			339
Equity in income of 701 Seventh Avenue		697			—
Equity in income of Fenway-Wateridge		36			—
Equity in income of Mentor		17			—
Operating income		12,413			6,027
Depreciation and amortization expense		(5,174	)		(3,537	)
Interest expense		(3,625	)		(3,098	)
Operating properties net income (loss)		3,614			(608	)
Loan Assets
Interest		4,454			2,399
Discount accretion		716			2,833
Unrealized gain on loan securities carried at fair value		—			164
Equity in income of ROIC Riverside		—			234
Equity in loss of ROIC Lakeside Eagle		(13	)		(12	)
Equity in income of Concord Debt Holdings		35			296
Equity in income of CDH CDO		150			394
Equity in income of Concord Debt Holdings (1)		14			—
Equity in income of CDH CDO (1)		480			—
Equity in income of WRT-Stamford		221			89
Equity in loss of SoCal Office Loan Portfolio		—			(345	)
Equity in income of RE CDO management		3,770			11
Equity in income of 10 Metrotech		304			—
Operating income		10,131			6,063
General and administrative expense		(14	)		(5	)
Interest expense		(580	)		(334	)
Loan assets net income		9,537			5,724
REIT Securities
Interest and dividends		150			286
(Loss) gain on sale of securities carried at fair value		(102	)		26
Unrealized gain on securities carried at fair value		1,718			4,932
REIT securities net income		1,766			5,244
Net income from segments before corporate income (expense)		14,917			10,360
Reconciliations to GAAP Net Income:
Corporate Income (Expense)
Interest income		70			101
Interest expense		(1,827	)		(292	)
General and administrative		(833	)		(878	)
Related party fees		(2,266	)		(2,027	)
Transaction costs		(6	)		(121	)
State and local taxes		(17	)		(6	)
Income from continuing operations before non-controlling interest		10,038			7,137
Non-controlling interest		795			901
Income from continuing operations		10,833			8,038
Income from discontinued operations		2,913			215
Net Income Attributable to Winthrop Realty Trust	$	13,746		$	8,253

(1) Represents the interest acquired from Lexington Realty Trust on May 1, 2012.

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Discontinued Operations

3 Months Ended

Mar. 31, 2013

Discontinued Operations [Abstract]

Discontinued Operations

13. Discontinued Operations

During 2012 the Trust’s net lease retail property in Memphis, Tennessee and its office property in Indianapolis, Indiana were sold and are included in discontinued operations. During 2013 the Trust’s office property located in Andover, Massachusetts was sold and is included in discontinued operations for all periods presented.

Results for discontinued operations for the three months ended March 31, 2013 and 2012 are as follows (in thousands):

	For the Three Months Ended
	March 31, 2013			March 31, 2012
Revenues	$	275		$	747
Operating expenses		(71	)		(285	)
Interest expense		—			(65	)
Depreciation and amortization		(66	)		(182	)
Gain on sale of assets		2,775			—
Income from discontinued operations	$	2,913		$	215