Income Tax Provision - Summary of Deferred Taxes (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
Deferred tax assets:
Reserves for expected costs of liquidation	$ 8,806
Net operating and capital loss carryovers	110,797
Gross deferred tax assets	119,603
Less: Valuation allowance	(119,135)
Deferred tax asset, net of valuation allowance	468
Deferred tax liabilities:
Accrued investment income	(468)
Gross deferred tax liabilities	(468)
Net deferred taxes	$ 0