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	2 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015
Business Acquisition [Line Items]
Total liability for estimated costs in excess of estimated receipts during liquidation, beginning balance		$ (31,253)
Cash Payments (Receipts)		(1,657)
Remeasurement of Assets and Liabilities	$ 231	1,285
Total liability for estimated costs in excess of estimated receipts during liquidation, ending balance		(30,881)
Assets [Member]
Business Acquisition [Line Items]
Estimated net inflows from investments in real estate, loans receivable and secured financing receivable, beginning balance		25,169
Cash Payments (Receipts)		9,967
Remeasurement of Assets and Liabilities		(276)
Estimated net inflows from investments in real estate, loans receivable and secured financing receivable, ending balance		15,478
Liability [Member]
Business Acquisition [Line Items]
Total liability for estimated costs, beginning balance		(56,422)
Cash Payments (Receipts)		11,624
Remeasurement of Assets and Liabilities		(1,561)
Total liability for estimated costs, ending balance		(46,359)
Liability [Member] | Sales Costs [Member]
Business Acquisition [Line Items]
Total liability for estimated costs, beginning balance		(11,840)
Cash Payments (Receipts)		1,012
Remeasurement of Assets and Liabilities		(4)
Total liability for estimated costs, ending balance		(10,832)
Liability [Member] | Corporate Expenditures [Member]
Business Acquisition [Line Items]
Total liability for estimated costs, beginning balance		(44,582)
Cash Payments (Receipts)		10,612
Remeasurement of Assets and Liabilities		(1,557)
Total liability for estimated costs, ending balance		$ (35,527)