XML 47 R36.htm IDEA: XBRL DOCUMENT v3.5.0.2

Fair Value of Assets and Liabilities (Details) - Available-For-Sale Securities [Member] - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
U.S. Treasury and Government Agencies [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	$ 11,737	$ 10,905
Mortgage-backed securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	64,349	61,343
State and political subdivisions [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	16,363	17,518
Equity securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	23	23
Interest rate contracts - assets [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	1,524	490
Interest rate contracts - liabilities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	(1,524)	(490)
Level 1 [Member] | U.S. Treasury and Government Agencies [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 1 [Member] | Mortgage-backed securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 1 [Member] | State and political subdivisions [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 1 [Member] | Equity securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 1 [Member] | Interest rate contracts - assets [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 1 [Member] | Interest rate contracts - liabilities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 2 [Member] | U.S. Treasury and Government Agencies [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	11,737	10,905
Level 2 [Member] | Mortgage-backed securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	64,349	61,343
Level 2 [Member] | State and political subdivisions [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	16,363	17,518
Level 2 [Member] | Equity securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	23	23
Level 2 [Member] | Interest rate contracts - assets [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	1,524	490
Level 2 [Member] | Interest rate contracts - liabilities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring	(1,524)	(490)
Level 3 [Member] | U.S. Treasury and Government Agencies [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 3 [Member] | Mortgage-backed securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 3 [Member] | State and political subdivisions [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 3 [Member] | Equity securities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 3 [Member] | Interest rate contracts - assets [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring
Level 3 [Member] | Interest rate contracts - liabilities [Member]
Summary of fair value measurements of assets measured at fair value on a recurring basis
Assets, Fair value, Recurring

X

- Definition

Fair value measurements of securities measured at fair value on a recurring basis.

+ References

No definition available.

+ Details

Name:	sbfg_FairValueMeasurementsOfSecuritiesMeasuredAtFairValueOnRecurringBasisAbstract
Namespace Prefix:	sbfg_
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 recurring 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_AssetsFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AvailableforsaleSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=sbfg_InterestRateContractsAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=sbfg_InterestRateContractsLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: