Net Assets in Liquidation - Additional Information (Detail) - Liquidation Value [Member] - USD ($)				3 Months Ended
	May 10, 2018	May 01, 2018	Mar. 30, 2018	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Oct. 18, 2017	Jan. 01, 2017
Net Assets In Liquidation [Line Items]
Increase (decrease) in net assets subject to liquidation				$ (330,400,000)	$ 121,000
Liquidating distribution to common stockholders			$ 851,400,000	335,858,000
Release of liability				4,270,000
Net increase (decrease) in liquidation value				$ (5,452,000)	(121,000)
Liquidating distributions per common share			$ 80.64	$ 29.94
Net assets in liquidation				$ 502,707,000	$ 1,553,047,000	$ 833,113,000		$ 1,552,926,000
Estimated future liquidating distributions per common share	$ 25.09
Subsequent Event [Member]
Net Assets In Liquidation [Line Items]
Liquidating distributions per common share		$ 4.85
Liquidating distribution declared date		May 01, 2018
Liquidating distribution payable date		May 18, 2018
Liquidating distribution record date		May 11, 2018
Viceroy Management Agreement [Member]
Net Assets In Liquidation [Line Items]
Release of liability				4,300,000
Net increase (decrease) in liquidation value				(4,000,000)
Remeasurement [Member]
Net Assets In Liquidation [Line Items]
Net increase (decrease) in liquidation value				2,900,000
Worldwide Plaza [Member]
Net Assets In Liquidation [Line Items]
Net increase (decrease) in liquidation value				2,300,000
Liquidation value of property				$ 1,725,000,000
Sale of equity method investment percentage							48.70%
Common Stock [Member]
Net Assets In Liquidation [Line Items]
Liquidating distributions per common share			$ 50.70
Common stock, shares outstanding				16,791,769		16,800,000