Condensed Statements of Cash Flows (Liquidation Basis) - Liquidation Basis of Accounting [Member] - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from (used in) operating activities
Cash receipts from dividends and interest	$ 457	$ 4,124
Cash paid for professional fees, governance costs and other administrative costs	(3,309)	(3,339)
Cash paid for Residual Wind-Down Claims	(2,551)	(1,052)
Cash paid for distributions	(98)	(6)
Net cash flows used in operating activities	(5,501)	(273)
Cash flows from (used in) investing activities
Cash used to purchase marketable securities	(1,495,833)	(37,878)
Cash from maturities and sales of marketable securities	1,502,643	20,954
Net cash flows from (used in) investing activities	6,810	(16,924)
Net increase (decrease) in cash and cash equivalents	1,309	(17,197)
Cash and cash equivalents, beginning of period	4,410	37,483
Cash and cash equivalents, end of period	$ 5,719	$ 20,286