Net Assets in Liquidation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reorganizations [Abstract]
Increase (Decrease) in net assets on liquidation	$ (252,016)	$ (63,486)
Liquidating distributions to holders of Shares/Units	220,372	54,727
Change in liquidation value of equity investments	(30,910)	(11,049)
Change in liquidation value of investments in real estate	(7,114)	(1,519)
Change in liquidation value of loans receivable	(303)		$ 100
Remeasurement of assets and liabilities	$ 6,683	2,581
Liquidation distribution per unit	$ 0.34
Net assets in liquidation	$ 12,425	264,441
Additional cumulative liquidating distributions to holders of Units or Common Shares	$ 612,033	$ 391,661
Additional cumulative liquidating distribution per share/unit	$ 16.80	$ 10.75
Cumulative liquidating distribution per units/share	$ 17.14	$ 18.01
Common shares, outstanding	36,425,084	36,425,084