Consolidated Statements of Changes In Net Assets (Liquidation Basis) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2011
Consolidated Statements Of Changes In Net Assets (Liquidation Basis) [Abstract]
Net assets on liquidation basis at beginning of period	$ 45,654	$ 45,629
Changes in fair value of net assets in liquidation
Adjust net assets to fair value	168	(1,577)
Decrease/(increase) in estimated net costs to be incurred during liquidation	138	(1,184)
Adjust estimated income to be earned during liquidation	(331)	1,465
Net assets on liquidation basis at end of period	$ 45,629	$ 44,333