XML 112 R105.htm IDEA: XBRL DOCUMENT v2.4.1.9

Condensed Financial Information (Parent Company Only) (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2011 affiliates
Condensed Financial Information (Parent Company Only) (Textual)
Number of affiliates		2rbnf_NumberOfAffiliates
Affiliates transaction amount		$ 0.31us-gaap_RelatedPartyTransactionAmountsOfTransaction
Decrease in income by net amount of related party transaction	$ 0.16rbnf_DecreaseInIncomeByNetAmountOfRelatedPartyTransaction

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Balance Type:	na
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- Definition

Decrease in income by net amount of related party transaction.

+ References

No definition available.

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Namespace Prefix:	rbnf_
Data Type:	xbrli:monetaryItemType
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- Definition

Number of affiliates.

+ References

No definition available.

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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Balance Type:	debit
Period Type:	duration