XML 17 R37.htm IDEA: XBRL DOCUMENT v2.4.1.9

Fair Value of Assets and Liabilities (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Impaired Loans [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring	$ 1,551us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_ImpairedLoansMember	$ 2,538us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_ImpairedLoansMember
Impaired Loans [Member] | Level 1 [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring
Impaired Loans [Member] | Level 2 [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring
Impaired Loans [Member] | Level 3 [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring	1,551us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_ImpairedLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member	2,538us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_ImpairedLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Mortgage Servicing Rights [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring	2,841us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_MortgageServicingRightsMember	3,037us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_MortgageServicingRightsMember
Mortgage Servicing Rights [Member] | Level 1 [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring
Mortgage Servicing Rights [Member] | Level 2 [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring
Mortgage Servicing Rights [Member] | Level 3 [Member]
Summary of fair value measurements of assets measured at fair value on a non-recurring basis
Assets, Fair value, Nonrecurring	$ 2,841us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_MortgageServicingRightsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member	$ 3,037us-gaap_AssetsFairValueDisclosureNonrecurring / us-gaap_BalanceSheetLocationAxis = rbnf_MortgageServicingRightsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member

X

- Details

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

X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_AssetsFairValueDisclosureNonrecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=rbnf_ImpairedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=rbnf_MortgageServicingRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: