Net Assets in Liquidation - Schedule of Cash and Cash Equivalent and Marketable Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 15, 2011
Cash and Cash Equivalents [Line Items]
Residual Wind-Down Assets		$ 42,800
Other Administrative Cash	$ 6,800
Funds for Indenture Trustee/Fiscal Paying Agent Costs	300
Total	531,100
Cash and Cash Equivalents and Marketable Securities [Member]
Cash and Cash Equivalents [Line Items]
Distributable Cash (including associated Dividend Cash)	508,509
Residual Wind-Down Assets	13,703
Other Administrative Cash	6,845
Administrative Fund	1,755
Funds for Indenture Trustee/Fiscal Paying Agent Costs	255
Total	$ 531,067