Consolidated Statement of Net Assets Liquidation Basis - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
LIABILITIES
Net assets in liquidation	$ 327,927	$ 516,396
Liquidation Value [Member]
ASSETS
Investments in real estate	186,652
Equity investments	259,268
Cash and cash equivalents	13,252
Restricted cash held in escrows	5,240
Loans receivable	8,400
Accounts receivable	1,101
TOTAL ASSETS	473,913
LIABILITIES
Mortgage loans payable	108,826
Liability for non-controlling interests	9,498
Liability for estimated costs in excess of estimated receipts during liquidation	23,186
Accounts payable, accrued liabilities and other liabilities	3,528
Related party fees payable	948
TOTAL LIABILITIES	145,986
COMMITMENTS AND CONTINGENCIES (Note 12)
Net assets in liquidation	$ 327,927
Winthrop Realty Trust [Member]
ASSETS
Investments in real estate		353,862
Equity investments		327,738
Cash and cash equivalents		21,128
Restricted cash held in escrows		6,603
Loans receivable		5,280
Secured financing receivable		28,928
Accounts receivable		2,090
TOTAL ASSETS		745,629
LIABILITIES
Mortgage loans payable		172,095
Liability for non-controlling interests		17,796
Liability for estimated costs in excess of estimated receipts during liquidation		29,297
Dividends payable		1,822
Accounts payable, accrued liabilities and other liabilities		6,382
Related party fees payable		1,841
TOTAL LIABILITIES		229,233
COMMITMENTS AND CONTINGENCIES (Note 12)
Net assets in liquidation		$ 516,396