Name:	ibmc_DebtCovenantLimitBasedOnNetTangibleAssets
Namespace Prefix:	ibmc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The maximum leverage ratio that the entity is permitted per the terms of the debt agreement.

No definition available.

Name:	ibmc_DebtCovenantMaximumLeverageRatio
Namespace Prefix:	ibmc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

The minimum tangible net worth that the entity is required to maintain per the terms of the debt agreement.

No definition available.

Name:	ibmc_DebtCovenantMinimumTangibleNetWorth
Namespace Prefix:	ibmc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The limit on the amount of a default on other indebtedness which would trigger a default under the reporting entity's credit facility.

No definition available.

Name:	ibmc_DefaultProvisionOnCreditFacility
Namespace Prefix:	ibmc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The minimum ratio of interest expense specified in the reporting entity's debt agreements which the reporting entity must maintain in order to be in compliance.

No definition available.

Name:	ibmc_NetInterestExpenseRatio
Namespace Prefix:	ibmc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Period over which the entity's net interest expense ratio is calculated for determining compliance with debt covenants.

No definition available.

Name:	ibmc_PeriodForNetInterestExpenseRatio
Namespace Prefix:	ibmc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-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 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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=119400593&loc=d3e572229-122910

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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

- References

No definition available.

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

Name:	us-gaap_DebtInstrumentAxis=ibmc_CreditAgreement364Days2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=ibmc_ThreeYearCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: