XML 61 R62.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Organization and Nature of Operations - Additional Information (Detail) (USD $) In Billions, unless otherwise specified | Dec. 31, 2012
--- | ---
Organization Consolidation And Presentation Of Financial Statements [Line Items] |
Company had assets under management | $ 6.3
Collateralized debt obligations, amount | $ 6.1
Collateralized debt obligations, percentage | 95.70%

X
- Definition Assets under management which are collateralized debt obligations amount. + References No definition available. + Details
Name: | ifmi_AssetsUnderManagementWhichAreCollateralizedDebtObligationsAmount
Namespace Prefix: | ifmi_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Assets under management which are collateralized debt obligations percentage. + References No definition available. + Details
Name: | ifmi_AssetsUnderManagementWhichAreCollateralizedDebtObligationsPercentage
Namespace Prefix: | ifmi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifmi_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems
Namespace Prefix: | ifmi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amount of assets an investment adviser manages on behalf of investors. + References No definition available. + Details
Name: | us-gaap_AssetsUnderManagementCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant