Liability for Estimated Costs in Excess of Estimated Receipts During Liquidation - Schedule of Changes in Liability for Estimated Costs in Excess of Estimated Receipts During Liquidation (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Reorganizations [Abstract]
Estimated net inflows from investments in real estate and loans receivable, beginning balance	$ 38,400
Sales costs, beginning balance	(15,805)
Corporate expenditures, beginning balance	(49,820)
Total liability for estimated costs, beginning balance	(65,625)
Total liability for estimated costs in excess of estimated receipts during liquidation	(27,225)
Cash payments on estimated net inflows from investments in real estate and loans receivable	(1,710)
Cash payments on Sales costs
Cash payments on Corporate expenditures	3,066
Cash payments on total liability for estimated costs	3,066
Cash payments on total liability for estimated costs in excess of estimated receipts during liquidation	1,356
Remeasurement of Assets to estimated net inflows from investments in real estate and loans receivable	231
Remeasurement of Liabilities to Sales costs
Remeasurement of Liabilities to Corporate expenditures
Remeasurement of Liabilities to total liability for estimated costs
Remeasurement of Assets and Liabilities to total liability for estimated costs in excess of estimated receipts during liquidation	231
Estimated net inflows from investments in real estate and loans receivable, ending balance	36,459
Sales costs, Estimated net inflows from investments in real estate and loans receivable, ending balance	(15,805)
Corporate expenditures, Estimated net inflows from investments in real estate and loans receivable, ending balance	(46,754)
Total liability for estimated costs, Estimated net inflows from investments in real estate and loans receivable, ending balance	(62,559)
Total liability for estimated costs in excess of estimated receipts during liquidation, Estimated net inflows from investments in real estate and loans receivable, ending balance	$ (26,100)