Liquidating Distributions - Schedule of Liquidating Distributions (Detail) - Liquidation Basis of Accounting [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions during the period	$ 129,990		$ 130,239
Less: Liquidating distributions payable at beginning of period	(131,885)		(7,714)
Add: Liquidating distributions payable at end of period	4,612		4,612
Total	$ 2,717	$ (2,090)	$ 127,137	$ 208,110