XML 77 R67.htm IDEA: XBRL DOCUMENT v3.22.1

Disclosures About Fair Value of Assets and Liabilities (Details) - Schedule of valuation inputs, mortgage servicing rights - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Disclosures About Fair Value of Assets and Liabilities (Details) - Schedule of valuation inputs, mortgage servicing rights [Line Items]
Impaired loans	$ 819	$ 464
Mortgage servicing rights	2,527	3,301
Level 1 [Member]
Disclosures About Fair Value of Assets and Liabilities (Details) - Schedule of valuation inputs, mortgage servicing rights [Line Items]
Impaired loans
Mortgage servicing rights
Level 2 [Member]
Disclosures About Fair Value of Assets and Liabilities (Details) - Schedule of valuation inputs, mortgage servicing rights [Line Items]
Impaired loans
Mortgage servicing rights
Level 3 [Member]
Disclosures About Fair Value of Assets and Liabilities (Details) - Schedule of valuation inputs, mortgage servicing rights [Line Items]
Impaired loans	819	464
Mortgage servicing rights	$ 2,527	$ 3,301

X

- References

No definition available.

+ Details

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

X

- Definition

The amount of impaired loans.

+ References

No definition available.

+ Details

Name:	sbfg_ImpairedLoans
Namespace Prefix:	sbfg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319

+ Details

Name:	us-gaap_DeferredTaxLiabilitiesMortgageServicingRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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: