Consolidated Statements of Changes In Net Assets (Liquidation Basis) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements of Changes In Net Assets (Liquidation Basis) [Abstract]
Net assets on liquidation basis at beginning of period	$ 44,333	$ 45,629
Changes in fair value of net assets in liquidation
Adjust net assets to fair value	(15)	(213)
(Increase)/decrease in estimated net costs to be incurred during liquidation	(288)	190
Adjust estimated income to be earned during liquidation	2
Net assets on liquidation basis at end of period	$ 44,032	$ 45,606