Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended	2 Months Ended
	Jul. 31, 2014	Sep. 30, 2013	Jul. 31, 2014	Sep. 30, 2013	Sep. 30, 2014 Liquidation Value [Member]	Sep. 30, 2014 Series D Preferred Shares of Beneficial Interest [Member] Liquidation Value [Member]
Net assets in liquidation, beginning of period					$ 786,915
Change in liquidation value of investments in real estate					(1,250)
Change in liquidation value of loan receivable					4,750
Remeasurement of assets and liabilities					(231)
Net increase in liquidation value					3,269
Liquidating distributions to Series D Preferred shareholders						(121,890)
Liquidating distributions to Common shareholders
Changes in net assets in liquidation					(118,621)
Net assets in liquidation, end of period					668,294
Revenue
Rents and reimbursements	7,085	12,026	46,313	35,795
Interest, dividends and discount accretion	1,394	3,917	9,643	13,545
Operating income	8,479	15,943	55,956	49,340
Expenses
Property operating	2,546	4,302	17,127	11,856
Real estate taxes	764	1,172	5,379	3,122
Depreciation and amortization	2,074	3,846	15,957	11,594
Interest	1,870	4,992	13,394	16,607
Impairment loss on investments in real estate			9,200
General and administrative	497	1,104	4,283	3,040
Related party fees	774	2,309	5,548	6,866
Transaction costs	17	106	586	158
Federal, state and local taxes	(165)	83	(60)	222
Total expenses	8,377	17,914	71,414	53,465
Other income (loss)
Equity in income of equity investments	2,250	13,856	12,622	26,249
Earnings from preferred equity investments	11	189	582	576
Loss on extinguishment of debt			(564)
Realized gain (loss) on sale of securities carried at fair value		(31)	2	(133)
Unrealized loss on securities carried at fair value				(142)
Unrealized gain on loan securities carried at fair value				215
Settlement expense		(16)		(150)
Interest and other income	37	101	244	286
Total other income (loss)	2,298	14,099	12,886	26,901
Income (loss) from continuing operations	2,400	12,128	(2,572)	22,776
Discontinued operations
Income (loss) from discontinued operations	84	(1,395)	11,235	8,653
Net income	2,484	10,733	8,663	31,429
Net loss attributable to non-controlling interests	395	995	3,818	2,419
Net income attributable to Winthrop Realty Trust	2,879	11,728	12,481	33,848
Preferred dividend of Series D Preferred Shares	(929)	(2,787)	(6,502)	(8,360)
Amount allocated to Restricted Common Shares	(11)	(106)	(192)	(235)
Net income applicable to Common Shares for earnings per share purposes	1,939	8,835	5,787	25,253
Per Common Share data - Basic
Income (loss) from continuing operations	$ 0.05	$ 0.31	$ (0.15)	$ 0.50
Income (loss) from discontinued operations		$ (0.04)	$ 0.31	$ 0.26
Net income attributable to Common Shares	$ 0.05	$ 0.27	$ 0.16	$ 0.76
Per Common Share data - Diluted
Income (loss) from continuing operations	$ 0.05	$ 0.31	$ (0.15)	$ 0.50
Income (loss) from discontinued operations		$ (0.04)	$ 0.31	$ 0.26
Net income attributable to Common Shares	$ 0.05	$ 0.27	$ 0.16	$ 0.76
Basic weighted-average Common Shares	35,825	33,076	35,821	33,047
Diluted Weighted-Average Common Shares	35,975	33,148	35,821	33,089
Comprehensive income
Net income	2,484	10,733	8,663	31,429
Change in unrealized gain (loss) on interest rate derivative	445	(150)	(193)	(20)
Consolidated comprehensive income	2,929	10,583	8,470	31,409
Net loss attributable to non-controlling interests	395	995	3,818	2,419
Comprehensive loss attributable to non-controlling interests	395	995	3,818	2,419
Comprehensive income attributable to Winthrop Realty Trust	$ 3,324	$ 11,578	$ 12,288	$ 33,828