XML 49 R39.htm IDEA: XBRL DOCUMENT v3.22.1

Available for Sale Securities (Details) - Schedule of amortized cost and fair values with gross unrealized gains and losses of available-for-sale securities - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available for Sale Securities (Details) - Schedule of amortized cost and fair values with gross unrealized gains and losses of available-for-sale securities [Line Items]
Amortized Cost	$ 282,601	$ 265,595
Gross Unrealized Gains	211	1,287
Gross Unrealized Losses	(17,501)	(3,623)
Fair Value	265,311	263,259
U.S. Treasury and Government agencies [Member]
Available for Sale Securities (Details) - Schedule of amortized cost and fair values with gross unrealized gains and losses of available-for-sale securities [Line Items]
Amortized Cost	8,746	8,986
Gross Unrealized Gains	13	135
Gross Unrealized Losses	(351)	(16)
Fair Value	8,408	9,105
Mortgage-backed securities [Member]
Available for Sale Securities (Details) - Schedule of amortized cost and fair values with gross unrealized gains and losses of available-for-sale securities [Line Items]
Amortized Cost	243,092	231,057
Gross Unrealized Gains	14	614
Gross Unrealized Losses	(16,170)	(3,537)
Fair Value	226,936	228,134
State and political subdivisions [Member]
Available for Sale Securities (Details) - Schedule of amortized cost and fair values with gross unrealized gains and losses of available-for-sale securities [Line Items]
Amortized Cost	13,563	12,352
Gross Unrealized Gains	184	536
Gross Unrealized Losses	(577)	(9)
Fair Value	13,170	12,879
Other corporate securities [Member]
Available for Sale Securities (Details) - Schedule of amortized cost and fair values with gross unrealized gains and losses of available-for-sale securities [Line Items]
Amortized Cost	17,200	13,200
Gross Unrealized Gains		2
Gross Unrealized Losses	(403)	(61)
Fair Value	$ 16,797	$ 13,141

X

- References

No definition available.

+ Details

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

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

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

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

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

X

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

+ Details

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

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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