XML 48 R111.htm IDEA: XBRL DOCUMENT v2.4.0.6

Commitments and Credit Risk (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Commitments and Credit Risk (Textual)
Agricultural loans, percentage of diversified portfolio	9.00%	9.00%
Period under which company commits to sell loans at specified rates in future	45 days
Forward rate commitments to sell residential mortgage loans	$ 13.0

X

- Definition

Agricultural loans as a percentage of diversified portfolio.

+ References

No definition available.

+ Details

Name:	rbnf_AgriculturalLoansPercentageOfDiversifiedPortfolio
Namespace Prefix:	rbnf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Definition

Period under which company commits to sell loans at specified rates in future.

+ References

No definition available.

+ Details

Name:	rbnf_PeriodUnderWhichCompanyCommitsToSellLoansAtSpecifiedRates
Namespace Prefix:	rbnf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Reflects the carrying amount of loans and leases for which agreements to acquire or dispose exist.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 825

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6480020&loc=d3e61082-112788



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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 14

-Subparagraph m

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 825

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6480020&loc=d3e61044-112788

+ Details

Name:	us-gaap_LoansAndLeasesReceivableCommitmentsToPurchaseOrSell
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration