Consolidated Statements of Changes in Net Assets (Liquidation Basis) (Unaudited) (USD $) In Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011
Consolidated Statements of Changes in Net Assets (Liquidation Basis) [Abstract]
Net assets on liquidation basis at beginning of period	$ 45,606	$ 45,629
Changes in fair value of net assets in liquidation
Adjust net assets to fair value	(248)	(461)
Adjust estimated costs to be incurred during liquidation	(917)	(727)
Net assets on liquidation basis at end of period	$ 44,441	$ 44,441