Asset Liquidation Investments and Investments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified								3 Months Ended		3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Counsel [Member] Class A [Member]	Jun. 30, 2009 Investment by KPL, LLC [Member]	Jun. 30, 2009 Total Investment by All Parties [Member]	Mar. 31, 2014 Polaroid Corporation [Member]	Dec. 31, 2013 Polaroid Corporation [Member]	Mar. 31, 2014 Polaroid Corporation [Member] Class A [Member]	Dec. 31, 2013 Polaroid Corporation [Member] Class A [Member]	Mar. 31, 2014 Polaroid Corporation [Member] Class D [Member]	Dec. 31, 2013 Polaroid Corporation [Member] Class D [Member]	Mar. 31, 2014 Knight's Bridge Capital Partners Internet Fund No. 1 GP LLC [Member]	Dec. 31, 2013 Knight's Bridge Capital Partners Internet Fund No. 1 GP LLC [Member]	Dec. 31, 2007 Knight's Bridge Capital Partners Internet Fund No. 1 GP LLC [Member]	Jun. 30, 2009 Polaroid [Member]
Equity Method Investment, Ownership Percentage														33.33%	5.00%
Non-Asset Liquidation Equity Investment Acquired						$ 3,120	$ 3,109	$ 2,492	$ 2,492	$ 628	$ 617			$ 20
Net investment at balance sheet date	1,747	1,769				1,727	1,750	1,376	1,401	351	349	20	19
Polaroid Investment By All Parties				19,000	55,000
Amount of Limited Partnership Held by Related Party			95.24%
Management Fee Percentage										2.00%
Annual Management Fees on Investment								$ 40		$ 11
Preferred Return on Investment								8.00%		10.00%
Managing Partner, Carried Interest								20.00%		20.00%