XML 70 R55.htm IDEA: XBRL DOCUMENT v3.7.0.1

Loans and Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	$ 644,098	$ 557,615
Loan Grade 1-2 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	1,428	1,538
Loan Grade 3 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	294,641	280,680
Loan Grade 4 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	338,140	260,506
Total Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	634,209	542,724
Special Mention [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	5,671	6,416
Substandard [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	2,127	1,741
Doubtful [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	2,091	6,734
Loss [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Commercial & Industrial [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	108,752	86,542
Commercial & Industrial [Member] | Loan Grade 1-2 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	1,149	709
Commercial & Industrial [Member] | Loan Grade 3 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	28,461	23,362
Commercial & Industrial [Member] | Loan Grade 4 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	78,517	61,799
Commercial & Industrial [Member] | Total Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	108,127	85,870
Commercial & Industrial [Member] | Special Mention [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans		330
Commercial & Industrial [Member] | Substandard [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	150	110
Commercial & Industrial [Member] | Doubtful [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	475	232
Commercial & Industrial [Member] | Loss [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Commercial RE & Construction [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	284,084	242,208
Commercial RE & Construction [Member] | Loan Grade 1-2 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	33	767
Commercial RE & Construction [Member] | Loan Grade 3 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	89,406	79,915
Commercial RE & Construction [Member] | Loan Grade 4 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	188,007	149,473
Commercial RE & Construction [Member] | Total Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	277,446	230,155
Commercial RE & Construction [Member] | Special Mention [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	5,030	5,260
Commercial RE & Construction [Member] | Substandard [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	1,291	1,072
Commercial RE & Construction [Member] | Doubtful [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	317	5,721
Commercial RE & Construction [Member] | Loss [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Agricultural & Farmland [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	52,475	43,835
Agricultural & Farmland [Member] | Loan Grade 1-2 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	9	47
Agricultural & Farmland [Member] | Loan Grade 3 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	9,985	8,195
Agricultural & Farmland [Member] | Loan Grade 4 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	42,481	35,593
Agricultural & Farmland [Member] | Total Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	52,475	43,835
Agricultural & Farmland [Member] | Special Mention [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Agricultural & Farmland [Member] | Substandard [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Agricultural & Farmland [Member] | Doubtful [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Agricultural & Farmland [Member] | Loss [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Residential Real Estate [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	142,452	130,806
Residential Real Estate [Member] | Loan Grade 1-2 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	234
Residential Real Estate [Member] | Loan Grade 3 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	113,403	118,463
Residential Real Estate [Member] | Loan Grade 4 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	26,510	10,418
Residential Real Estate [Member] | Total Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	140,147	128,881
Residential Real Estate [Member] | Special Mention [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	518	756
Residential Real Estate [Member] | Substandard [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	625	420
Residential Real Estate [Member] | Doubtful [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	1,162	749
Residential Real Estate [Member] | Loss [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans
Consumer & Other [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	56,335	54,224
Consumer & Other [Member] | Loan Grade 1-2 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	3	15
Consumer & Other [Member] | Loan Grade 3 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	53,386	50,745
Consumer & Other [Member] | Loan Grade 4 Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	2,625	3,223
Consumer & Other [Member] | Total Pass [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	56,014	53,983
Consumer & Other [Member] | Special Mention [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	123	70
Consumer & Other [Member] | Substandard [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	61	139
Consumer & Other [Member] | Doubtful [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans	137	32
Consumer & Other [Member] | Loss [Member]
Summary of credit risk profile of the Company's loan portfolio based on rating category
Total Loans

X

- References

No definition available.

+ Details

Name:	sbfg_CreditRiskProfileOfCompanyLoanPortfolioBasedOnRatingCategoryAbstract
Namespace Prefix:	sbfg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

+ Details

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

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=sbfg_LoanGradeOneToTwoPassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=sbfg_LoanGradeThreePassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=sbfg_LoanGradeFourPassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=us-gaap_DoubtfulMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditRatingAMBestAxis=sbfg_LossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sbfg_CommercialReConstructionPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sbfg_AgriculturalFarmlandPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sbfg_OtherPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: