Condensed Statements of Changes in Net Assets in Liquidation (Liquidation Basis) - Liquidation Basis of Accounting [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Net Assets in Liquidation, beginning of period	$ 481,757	$ 485,433	$ 464,803	$ 464,803	$ 488,213
Increase (decrease) in net assets in liquidation:
Additions to reserves for Expected Costs of Liquidation and Residual Wind-Down Claims and Costs (Note 6)	(855)	(6,148)		(9,434)	(15,677)
Reversal of contingent settlement obligation (Note 3)			15,000	15,000
Net reversal of liquidating distributions (Note 4)		6,509			6,494
Dividends and interest income (Note 3)	14,178	976		24,711	6,232
Other income (reversal) (Note 3)	360	(1,508)		360
Net increase (decrease) in net assets in liquidation	13,683	(171)		30,637	(2,951)
Net Assets in Liquidation, end of period	$ 495,440	$ 485,262	$ 481,757	$ 495,440	$ 485,262