Net Assets in Liquidation - Schedule of Cash and Cash Equivalent and Marketable Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 15, 2011
Cash and Cash Equivalents [Line Items]
Residual Wind-Down Assets		$ 42,800
Other Administrative Cash	$ 15,800
Funds for Indenture Trustee/Fiscal Paying Agent Costs	300
Total	667,600
Cash and Cash Equivalents and Marketable Securities [Member]
Cash and Cash Equivalents [Line Items]
Distributable Cash (including associated Dividend Cash)	620,873
Residual Wind-Down Assets	22,167
Administrative Fund	8,233
Other Administrative Cash	15,790
Funds for Indenture Trustee/Fiscal Paying Agent Costs	319
Other	235
Total	$ 667,617