Liquidating Distributions - Schedule of Liquidating Distributions (Detail) - Liquidation Basis of Accounting [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions during the period	$ 112,209		$ 112,355
Less: Liquidating distributions payable at beginning of period	(114,038)		(6,213)
Add: Liquidating distributions payable at end of period	1,856		1,856
Total	$ 27	$ 2,717	$ 107,998	$ 127,137