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Loans and Allowance for Loan Losses (Details Textual) (USD $)	Jun. 30, 2014	Jun. 30, 2013
Loans and Allowance for Loan Losses (Textual)
Principal amount outstanding of loans held-in-portfolio	$ 100,000
Troubled debt restructuring loan loss allowances		$ 10,000

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- Details

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Namespace Prefix:	rbnf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

An expense set aside as an allowance for bad loans (customer defaults, or terms of a loan have to be renegotiated.

+ References

No definition available.

+ Details

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Namespace Prefix:	rbnf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

+ Details

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