Name:	ifcn_FinancingReceivableModificationsPostModificationAverageInterestRate
Namespace Prefix:	ifcn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Average loan term of investment in financing receivables (after modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPostModificationAverageLoanTerm
Namespace Prefix:	ifcn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of outstanding funding commitment in financing receivables (after modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPostModificationOutStandingFundingCommitment
Namespace Prefix:	ifcn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Weighted average interest rate of investment in financing receivables (after modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPostModificationWeightedAvgInterestRate
Namespace Prefix:	ifcn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Average interest rate of investment in financing receivables (before modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPreModificationAverageInterestRate
Namespace Prefix:	ifcn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Average loan term of investment in financing receivables (before modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPreModificationAverageLoanTerm
Namespace Prefix:	ifcn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of outstanding funding commitment in financing receivables (before modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPreModificationOutstandingFundingCommitment
Namespace Prefix:	ifcn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Weighted average interest rate of investment in financing receivables (before modification) modified by troubled debt restructurings.

No definition available.

Name:	ifcn_FinancingReceivableModificationsPreModificationWeightedAvgInterestRate
Namespace Prefix:	ifcn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages under construction and existing structures classification.

No definition available.

Name:	ifcn_LoanCategoryConstructionAndExistingStructures
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Gross amount of mortgage loans including principal and interest as of the balance sheet date.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateGrossAmount1
Namespace Prefix:	ifcn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Indicates the number of mortgages effected by additional collateral taken.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateLoanCategoryAdditionalCollateralTaken
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages effected by borrower prefunded interest.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateLoanCategoryBorrowerPrefundedInterest
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages under entitled land classification.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateLoanCategoryEntitledLand
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages effected by changes in interest rate.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateLoanCategoryInterestRateChanges
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages effected by interest reserves added.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateLoanCategoryInterestReservesAdded
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages under pre-entitled land classification.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstateLoanCategoryPreEntitledLand
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of mortgage loans on real estate.

No definition available.

Name:	ifcn_MortgageLoansOnRealEstatePercentage
Namespace Prefix:	ifcn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Number of financing receivables that represents a contractual right to receive money either on demand or on fixed or determinable dates that are non-performing in regards to payments.

No definition available.

Name:	ifcn_NonPerformingFinancingReceivable
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of financing receivables that represents a contractual right to receive money either on demand or on fixed or determinable dates that are performing in regards to payments.

No definition available.

Name:	ifcn_PerformingFinancingReceivable
Namespace Prefix:	ifcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of financing receivables that have been modified by troubled debt restructurings.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_MortgageLoansOnRealEstateLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Indicates the number of mortgages under each classification.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.3)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Paragraph 3

-Article 12