XML 16 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.6

FAIR VALUE OF ASSETS AND LIABILITIES (Details 2) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2012
Foreclosed assets [Member] |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | $ 1,988
Fair Value Measurements, Valuation Techniques | Market comparable properties
Foreclosed assets [Member] | Marketability Discount [Member] |
Fair Value Measurements Unobservable Input Description | Marketability discount
Fair Value Input Interest Rate | 10.00%
Collateral Dependent Impaired Loans [Member] |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 4,386
Fair Value Measurements, Valuation Techniques | Market comparable properties
Collateral Dependent Impaired Loans [Member] | Comparability Adjustments Percent [Member] |
Fair Value Measurements Unobservable Input Description | Comparability adjustments (%)
Fair Value Input Interest Rate | 0.00%
Mortgage Servicing Rights [Member] |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | $ 3,346
Fair Value Measurements, Valuation Techniques | Discounted cash flow
Mortgage Servicing Rights [Member] | Discount Rate [Member] |
Fair Value Measurements Unobservable Input Description | Discount Rate
Fair Value Input Interest Rate | 8.50%
Mortgage Servicing Rights [Member] | Constant Prepayment Rate [Member] |
Fair Value Measurements Unobservable Input Description | Constant prepayment rate
Fair Value Input Interest Rate | 18.30%
Mortgage Servicing Rights [Member] | P and I Earnings Credit [Member] |
Fair Value Measurements Unobservable Input Description | P&I earnings credit
Fair Value Input Interest Rate | 0.22%
Mortgage Servicing Rights [Member] | Inflation For Cost Of Servicing [Member] |
Fair Value Measurements Unobservable Input Description | Inflation for cost of servicing
Fair Value Input Interest Rate | 1.50%
Mortgage Servicing Rights [Member] | T and I Earnings Credit [Member] |
Fair Value Measurements Unobservable Input Description | T&I earnings credit
Fair Value Input Interest Rate | 0.86%

X
- Definition Reflects the interest rate percentage. + References No definition available. + Details
Name: | rbnf_FairValueInputInterestRate
Namespace Prefix: | rbnf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the unobservable inputs used in the valuation of investment assets by the entity. + References No definition available. + Details
Name: | rbnf_FairValueMeasurementsUnobservableInputDescription
Namespace Prefix: | rbnf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -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. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant