XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Loans and Allowance for Loan Losses (Details 5) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) Loan | Jun. 30, 2015 USD ($) Loan | Jun. 30, 2016 USD ($) Loan | Jun. 30, 2015 USD ($) Loan
Summary of newly restructured loans by type of modification |  |  |  |
Number of Loans | Loan |  |  | 1 | 1
Pre-Modification Recorded Balance |  |  | $ 221 | $ 24
Post-Modification Recorded Balance |  |  | 221 | 24
Interest Only |  |  |  |
Term |  |  | 221 | 24
Combination |  |  |  |
Total Modification |  |  | $ 221 | $ 24
Residential Real Estate [Member] |  |  |  |
Summary of newly restructured loans by type of modification |  |  |  |
Number of Loans | Loan |  |  |  | 1
Pre-Modification Recorded Balance |  |  |  | $ 24
Post-Modification Recorded Balance |  |  |  | 24
Interest Only |  |  |  |
Term |  |  |  | 24
Combination |  |  |  |
Total Modification |  |  |  | $ 24
Commercial [Member] |  |  |  |
Summary of newly restructured loans by type of modification |  |  |  |
Number of Loans | Loan |  |  |  |
Pre-Modification Recorded Balance |  |  |  |
Post-Modification Recorded Balance |  |  |  |
Interest Only |  |  |  |
Term |  |  |  |
Combination |  |  |  |
Total Modification |  |  |  |
Consumer & Other [Member] |  |  |  |
Summary of newly restructured loans by type of modification |  |  |  |
Number of Loans | Loan |  |  | 1 |
Pre-Modification Recorded Balance |  |  | $ 221 |
Post-Modification Recorded Balance |  |  | 221 |
Interest Only |  |  |  |
Term |  |  | 221 |
Combination |  |  |  |
Total Modification |  |  | $ 221 |

X
- Definition Financing receivable total modification (combination, term,interest). + References No definition available. + Details
Name: | sbfg_FinancingReceivableModification
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable modification combination. + References No definition available. + Details
Name: | sbfg_FinancingReceivableModificationCombination
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable modification interest. + References No definition available. + Details
Name: | sbfg_FinancingReceivableModificationInterest
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable Modification Number of Loans. + References No definition available. + Details
Name: | sbfg_FinancingReceivableModificationNumberOfLoans
Namespace Prefix: | sbfg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable modification term. + References No definition available. + Details
Name: | sbfg_FinancingReceivableModificationTerm
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable Troubled Debt Restructurings. + References No definition available. + Details
Name: | sbfg_FinancingReceivableNewlyRestructuredLoansByTypeOfModificationAbstract
Namespace Prefix: | sbfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |