Aggregate principal amount of the old notes from an unrelated third party excluding accrued interest.

No definition available.

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Namespace Prefix:	ifmi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Aggregate principal amount of old notes outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifmi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Contingent convertible senior notes due.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifmi_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifmi_DebtAdditionalTextualAbstract
Namespace Prefix:	ifmi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifmi_DebtTextualAbstract
Namespace Prefix:	ifmi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest paid currently percentage.

+ References

No definition available.

+ Details

Name:	ifmi_InterestPaidCurrentlyPercentage
Namespace Prefix:	ifmi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest paid kind, percentage

+ References

No definition available.

+ Details

Name:	ifmi_InterestPaidKindPercentage
Namespace Prefix:	ifmi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Notes repurchase date.

+ References

No definition available.

+ Details

Name:	ifmi_NotesRepurchaseDate
Namespace Prefix:	ifmi_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Notice period to redeem New Notes.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifmi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Principal amount for purpose of redemption of new notes, percentage.

+ References

No definition available.

+ Details

Name:	ifmi_PrincipalAmountForPurposeOfRedemptionOfNewNotesPercentage
Namespace Prefix:	ifmi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Principal amount of debt redeemed.

+ References

No definition available.

+ Details

Name:	ifmi_PrincipalAmountOfDebtRedeemed
Namespace Prefix:	ifmi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 31

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments, excluding current portion.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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Debt (Details Textual) (USD $) In Thousands, unless otherwise specified	1 Months Ended	6 Months Ended							6 Months Ended				6 Months Ended
	Mar. 31, 2012	Jun. 30, 2012	Jul. 05, 2012	May 15, 2012 Senior notes [Member]	Jun. 30, 2012 Contingent convertible senior notes [Member]	Jun. 30, 2012 Junior subordinated debt [Member]	Jun. 30, 2012 Junior subordinated debt [Member] VIE trusts [Member]	May 15, 2012 Junior subordinated debt [Member] VIE trusts [Member]	Jun. 30, 2012 Subordinated notes payable [Member]	Jun. 30, 2012 10.50% Contingent convertible senior notes due 2027 [Member]	Jun. 30, 2012 7.625% Contingent convertible senior notes due 2027 [Member]	Jun. 30, 2012 Third party [Member] VIE trusts [Member]	Jun. 30, 2012 May 15, 2014 [Member] 10.50% Contingent convertible senior notes due 2027 [Member]	Jun. 30, 2012 May 15, 2017 [Member] 10.50% Contingent convertible senior notes due 2027 [Member]	Jun. 30, 2012 May 15, 2022 [Member] 10.50% Contingent convertible senior notes due 2027 [Member]
Debt (Textual) [Abstract]
Current outstanding par					$ 8,221	$ 48,125	$ 1,489		$ 1,514	$ 8,121	$ 100	$ 48,125
Principal amount of debt outstanding		8,121
Principal amount of debt (before deducting unamortized discount or premiums (if any)) redeemed			100	10,110
Interest rate										10.50%	7.625%
Contingent convertible senior notes due date		2027-05
Principal amount for purpose of redemption of new notes, percentage										100.00%
Interest paid currently, percentage									9.00%
Interest paid in kind, percentage									3.00%
Notes repurchase date													May 15, 2014	May 15, 2017	May 15, 2022
Notice period to redeem New Notes										30 days
Carrying value of junior subordinated notes								0
Debt (Additional Textual) [Abstract]
Aggregate principal amount of old notes outstanding		100
Principle amount of repurchase of old notes	150
Principle amount excluding interest	147
Gain from repurchase of debt	$ 3