Liquidating Distributions - Schedule of Liquidating Distributions (Detail) - Liquidation Basis of Accounting [Member] - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions during the period	$ 0
Less: Liquidating distributions payable at beginning of period	(9,205)
Add: Liquidating distributions payable at end of period	10,011
Total	$ 806	$ 913

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration