Net Assets in Liquidation - Schedule of Cash and Cash Equivalent and Marketable Securities (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 15, 2011
Cash and Cash Equivalents [Line Items]
Residual Wind-Down Assets		$ 42,800
Other Administrative Cash	$ 9,218
Funds for Indenture Trustee/Fiscal Paying Agent Costs	270
Total	655,353
Cash and Cash Equivalents and Marketable Securities [Member]
Cash and Cash Equivalents [Line Items]
Distributable Cash (including associated Dividend Cash)	620,718
Residual Wind-Down Assets	17,335
Other Administrative Cash	9,218
Administrative Fund	7,812
Funds for Indenture Trustee/Fiscal Paying Agent Costs	270
Total	$ 655,353