Commitments and Contingencies. (Details 3) In Thousands, unless otherwise specified			1 Months Ended			0 Months Ended			1 Months Ended					1 Months Ended				9 Months Ended
	Sep. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Aug. 31, 2009 IMT LLC ACC USD ($)	Mar. 31, 2011 IMT LLC ACC As adjusted	Sep. 30, 2013 SDI ACC USD ($)	Oct. 02, 2013 GHL EUR (€)	Jan. 10, 2007 GHL USD ($) item	Jan. 10, 2007 GHL EUR (€)	Apr. 30, 2013 GHL EUR (€)	Oct. 02, 2013 GHL USD ($)	Sep. 30, 2013 GHL USD ($) item	Sep. 30, 2013 GHL EUR (€)	Apr. 30, 2013 GHL USD ($)	Aug. 31, 2009 KCB USD ($)	Aug. 31, 2009 KCB EUR (€)	Sep. 30, 2013 KCB USD ($)	Nov. 30, 2010 KCB ACC As adjusted	Sep. 30, 2013 KCB IMT LLC ACC USD ($)	Sep. 30, 2013 KCB IMT LLC ACC EUR (€)
Notes receivable
Number of Euro-denominated loans							3	3
Notes receivable							$ 1,258	€ 967
Amount of notes receivable from the related party	300	663				150			472	225	300	200	708
Initial payment									72
Monthly installments						50			50
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														1,330	930	1,256
Debt instrument term			3 years
Loans payable interest rate (as a percent)			2.1505%	1.00%													1.00%
Loan payable			1,210		1,229
Loan payable, amount cancelled in the event of related party default																		$ 1,229	€ 910