XML 24 R31.htm IDEA: XBRL DOCUMENT v2.4.1.9

Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Loan
Summary of newly restructured loans by type of modification
Number of Loans	1rbnf_FinancingReceivableModificationNumberOfLoans
Pre-Modification Recorded Balance	$ 24us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Post-Modification Recorded Balance	24us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Interest Only
Term	24rbnf_FinancingReceivableModificationTerm
Combination
Total Modification	24rbnf_FinancingReceivableModification
Residential Real Estate [Member]
Summary of newly restructured loans by type of modification
Number of Loans	1rbnf_FinancingReceivableModificationNumberOfLoans / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Pre-Modification Recorded Balance	24us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2 / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Post-Modification Recorded Balance	24us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Interest Only
Term	24rbnf_FinancingReceivableModificationTerm / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Combination
Total Modification	24rbnf_FinancingReceivableModification / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Consumer & Other [Member]
Summary of newly restructured loans by type of modification
Pre-Modification Recorded Balance
Post-Modification Recorded Balance
Interest Only
Combination
Total Modification

X

- Definition

Financing receivable total modification (combination, term,interest).

+ References

No definition available.

+ Details

Name:	rbnf_FinancingReceivableModification
Namespace Prefix:	rbnf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing receivable modification combination.

+ References

No definition available.

+ Details

Name:	rbnf_FinancingReceivableModificationCombination
Namespace Prefix:	rbnf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing receivable modification interest.

+ References

No definition available.

+ Details

Name:	rbnf_FinancingReceivableModificationInterest
Namespace Prefix:	rbnf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable Modification Number of Loans.

+ References

No definition available.

+ Details

Name:	rbnf_FinancingReceivableModificationNumberOfLoans
Namespace Prefix:	rbnf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Financing receivable modification term.

+ References

No definition available.

+ Details

Name:	rbnf_FinancingReceivableModificationTerm
Namespace Prefix:	rbnf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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

X

- Definition

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

+ References

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=49124121&loc=SL6953676-111524

+ Details

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

X

- Definition

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

+ References

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=49124121&loc=SL6953676-111524

+ Details

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

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbnf_ConsumerAndOtherPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: