Commitments and Contingencies. (Details 3) In Thousands, unless otherwise specified			1 Months Ended			1 Months Ended				1 Months Ended				6 Months Ended
	Jun. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Aug. 31, 2009 IMT ACC USD ($)	Jun. 30, 2012 IMT ACC USD ($)	Mar. 31, 2011 IMT ACC As adjusted	Jan. 31, 2007 GHL USD ($) eurodenominatedloan	Jan. 31, 2007 GHL EUR (€)	Jun. 30, 2012 GHL USD ($) demandnote	Jun. 30, 2012 GHL EUR (€)	Aug. 31, 2009 KCB USD ($)	Aug. 31, 2009 KCB EUR (€)	Jun. 30, 2012 KCB ACC USD ($)	Nov. 30, 2010 KCB ACC As adjusted	Jun. 30, 2012 KCB IMT ACC USD ($)	Jun. 30, 2012 KCB IMT ACC EUR (€)
Notes receivable
Number of Euro-denominated loans						3	3
Notes receivable						$ 1,200	€ 967
Amount of notes receivable from the related party	923	413						923	706
Number of unexercised demand notes								8	8
Equity interest (as a percent)										25.00%	25.00%
Term of loans receivable										3 years	3 years
Loans receivable interest rate (as a percent)										1.00%	1.00%
Advance receivable										1,300	930	1,200
Debt instrument term			3 years
Loans payable interest rate (as a percent)			2.1505%		1.00%								1.00%
Loan payable			1,200	1,150
Loan payable, amount cancelled in the event of related party default														$ 1,200	€ 930