Liability for Estimated Costs in Excess of Estimated Receipts During Liquidation - Summary of Accrued Revenues and Expenses Expected to Incur During Liquidation (Detail) (USD $) In Thousands, unless otherwise specified	7 Months Ended	12 Months Ended		0 Months Ended
	Jul. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Aug. 01, 2014
Liquidation Basis Of Accounting [Line Items]
Rents and reimbursements	$ 46,313	$ 51,865	$ 33,930
Interest and dividends	9,643	18,455	21,123
Property operating expenses	(17,127)	(17,769)	(10,814)
Interest expense	(13,394)	(22,365)	(15,533)
General and administrative expenses	(4,283)	(4,356)	(3,529)
Liquidation Value [Member]
Liquidation Basis Of Accounting [Line Items]
Rents and reimbursements				81,975
Interest and dividends				23,349
Property operating expenses				(31,583)
Interest expense				(30,216)
General and administrative expenses				(45,160)
Capital expenditures				(9,785)
Sales costs				(15,805)
Liability for estimated costs in excess of estimated receipts during liquidation				$ (27,225)