Net Assets in Liquidation - Additional Information (Detail) - USD ($)			6 Months Ended
	Jun. 16, 2015	Jan. 15, 2015	Jun. 30, 2015
Business Acquisition [Line Items]
Decreased in net assets on liquidation			$ (39,812,000)
Liquidating distributions to holders of Common Shares			45,531,000
Remeasurement of non-controlling interests			590,000
Change in liquidation value of investments in real estate			9,692,000
Change in liquidation value of equity investments			155,000
Remeasurement of Assets and Liabilities			$ 2,620,000
Liquidation distribution per share	$ 1.25	$ 2.25	$ 15.23
Liquidation date, expected completion			Jun. 30, 2015
Corporate Expenditures [Member]
Business Acquisition [Line Items]
Remeasurement of Assets and Liabilities			$ 1,721,000