Consolidated Statements of Changes in Net Assets Liquidation Basis - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net assets in liquidation, beginning of period	$ 516,396	$ 594,704
Changes in net assets in liquidation
Change in liquidation value of investments in real estate	(7,592)	3,975
Change in liquidation value of loan securities		(918)
Change in liquidation value of equity investments	1,775	2,733
Remeasurement of assets and liabilities	2,544	(3,724)
Remeasurement of non-controlling interests	(424)	400
Changes in net assets in liquidation	(3,697)	2,466
Net assets in liquidation, end of period	$ 512,699	$ 597,170