Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Operating Activities
Net Income	$ 5,263us-gaap_NetIncomeLoss	$ 5,205us-gaap_NetIncomeLoss
Items not requiring (providing) cash
Depreciation and amortization	901	1,089
Provision for loan losses	450us-gaap_ProvisionForLoanAndLeaseLosses	900us-gaap_ProvisionForLoanAndLeaseLosses
Expense of share-based compensation plan	90us-gaap_ShareBasedCompensation	64us-gaap_ShareBasedCompensation
Amortization of premiums and discounts on securities	929	955
Amortization of intangible assets	372us-gaap_AmortizationOfIntangibleAssets	564us-gaap_AmortizationOfIntangibleAssets
Amortization of originated mortgage servicing rights	612	827
Deferred income taxes	661	1,731
Proceeds from sale of loans held for sale	188,495	239,208
Originations of loans held for sale	(182,225)	(232,379)
Gain from sale of loans	(4,549)us-gaap_GainLossOnSalesOfLoansNet	(5,651)us-gaap_GainLossOnSalesOfLoansNet
Loss on sales of assets		484
Net gains on sales of securities	(160)us-gaap_GainLossOnSaleOfSecuritiesNet	(48)us-gaap_GainLossOnSaleOfSecuritiesNet
OREO impairment	80us-gaap_ImpairmentOfRealEstate	33us-gaap_ImpairmentOfRealEstate
Prepayment penalty on trust preferred securities	333
Originated mortgage servicing rights impairment, net	231	(629)
Changes in
Interest receivable	(65)	(46)
Other assets	(4,557)	1,236
Interest payable and other liabilities	(1,855)	403
Net cash provided by operating activities	5,007	13,946
Investing Activities
Purchases of available-for-sale securities	(26,097)	(32,090)
Proceeds from maturities of available-for-sale securities	17,701	29,993
Proceeds from sales of available-for-sale securities	13,299	7,389
Net change in loans	(39,985)	(15,642)
Purchase of premises, equipment and software	(1,895)	(1,152)
Proceeds from sales of premises, equipment and software	(13)	317
Proceeds from sale of foreclosed assets	342	2,277
Net cash used in investing activities	(36,648)	(8,909)
Financing Activities
Net increase in demand deposits, money market, interest checking and savings accounts	44,930	9,745
Net decrease in certificates of deposit	(12,258)us-gaap_IncreaseDecreaseInTimeDeposits	(18,512)us-gaap_IncreaseDecreaseInTimeDeposits
Net increase (decrease) in securities sold under agreements to repurchase	(1,956)	4,363
Proceeds from Federal Home Loan Bank advances	16,000	9,000
Repayment of Federal Home Loan Bank advances	(2,000)	(14,000)
Net proceeds from share based compensation plans	17	58
Dividends on Common Stock	(783)us-gaap_DividendsCommonStock	(586)us-gaap_DividendsCommonStock
Repayment of trust preferred securities	(10,643)
Proceeds from issuance of Series A preferred stock	13,983
Proceeds from long term note	7,000
Repayment of long term note payable	(7,000)us-gaap_RepaymentsOfLongTermDebt
Repayment of short term note payable	(589)us-gaap_RepaymentsOfNotesPayable	(1,113)us-gaap_RepaymentsOfNotesPayable
Net cash provided by (used in) financing activities	46,701	(11,045)
Increase (Decrease) in Cash and Cash Equivalents	15,060	(6,007)
Cash and Cash Equivalents, Beginning of Year	13,137	19,144
Cash and Cash Equivalents, End of Year	28,197	13,137
Supplemental Cash Flows Information
Interest paid	3,855us-gaap_InterestPaid	3,534us-gaap_InterestPaid
Income taxes paid	1,715us-gaap_IncomeTaxesPaid	550us-gaap_IncomeTaxesPaid
Transfer of loans to foreclosed assets	$ 308rbnf_TransferOfLoansToForeclosedAssets	$ 981rbnf_TransferOfLoansToForeclosedAssets

The net change during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity. Also includes, net change during the reporting period in other operating obligations not otherwise defined in the taxonomy.

No definition available.