Permanent Equity (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Schedule of effects of changes in ownership interest in the Operating LLC on equity
Net income / (loss) attributable to IFMI	$ (2,078)	$ (3,371)	$ (5,937)	$ (2,996)
Transfers (to) from the non-controlling interest:
Increase in IFMI's paid in capital for the acquisition / (surrender) of additional units of consolidated subsidiary, net			828	972
Changes from net income / (loss) attributable to IFMI and transfers (to) from non-controlling interest			$ (5,109)	$ (2,024)