XML 71 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Loans and Allowance for Loan Losses (Details Textual) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 Loan | Jun. 30, 2012
Loans and Allowance for Loan Losses (Textual) |  |
Principal amount outstanding of loans held-in-portfolio | $ 100,000 |
Impaired loans which included in groups of homogenous loans | Less than $100,000 |
Number of TDR's (Loan) defaulted | 2 |
Troubled debt restructuring loan loss allowances | $ 13,000 | $ 64,000

X
- Definition Impaired loans which included in groups of homogenous loans. + References No definition available. + Details
Name: | rbnf_ImpairedLoansWhichIncludedInGroupsOfHomogenousLoans
Namespace Prefix: | rbnf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | rbnf_LoansAndAllowanceForLoanLossesTextualAbstract
Namespace Prefix: | rbnf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of trouble debt restructuring defaulted. + References No definition available. + Details
Name: | rbnf_NumberOfTroubleDebtRestrcturingDefaulted
Namespace Prefix: | rbnf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | rbnf_TroubledDebtRestructuringLoanLossAllowances
Namespace Prefix: | rbnf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 (e) -URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719 + Details
Name: | us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant