XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Allowance for Loan Losses (Details) - Schedule of allowance for loan and lease losses (“ALLL”) and the recorded investment in loans based on portfolio segment and impairment method - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Mar. 31, 2021 | Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Beginning balance | $ 13,326 | $ 8,958 | $ 12,574 | $ 8,755 |  |
Ending balance | 13,306 | 10,013 | 13,306 | 10,013 |  |
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | $ 264 | $ 337
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 13,042 | 12,237
Totals |  |  |  |  | 13,306 | 12,574
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 3,324 | 5,959
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 848,464 | 868,185
Totals |  |  |  |  | 851,788 | 874,144
Ending balance: |  |  |  |  |  |
Charge offs | (26) | (255) | (78) | (655) |  |
Recoveries | 6 | 10 | 60 | 13 |  |
Provision (credit) |  | 1,300 | 750 | 1,900 |  |
Commercial & industrial [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Beginning balance | 2,959 | 1,649 | 3,074 | 1,883 |  |
Ending balance | 1,718 | 2,844 | 1,718 | 2,844 |  |
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  |  |
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 1,718 | 3,074
Totals |  |  |  |  | 1,718 | 3,074
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 352 | 849
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 150,996 | 203,918
Totals |  |  |  |  | 151,348 | 204,767
Ending balance: |  |  |  |  |  |
Charge offs |  | (194) |  | (582) |  |
Recoveries |  | 4 |  | 5 |  |
Provision (credit) | (1,241) | 1,385 | (1,356) | 1,538 |  |
Commercial real estate [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Beginning balance | 6,177 | 3,668 | 5,451 | 3,602 |  |
Ending balance | 6,672 | 3,604 | 6,672 | 3,604 |  |
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 174 | 174
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 6,498 | 5,277
Totals |  |  |  |  | 6,672 | 5,451
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 952 | 2,202
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 388,193 | 368,618
Totals |  |  |  |  | 389,145 | 370,820
Ending balance: |  |  |  |  |  |
Charge offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision (credit) | 495 | (64) | 1,221 | 2 |  |
Agricultural [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Beginning balance | 473 | 475 | 496 | 434 |  |
Ending balance | 494 | 504 | 494 | 504 |  |
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  |  |
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 494 | 496
Totals |  |  |  |  | 494 | 496
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  |  |
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 50,856 | 55,235
Totals |  |  |  |  | 50,856 | 55,235
Ending balance: |  |  |  |  |  |
Charge offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision (credit) | 21 | 29 | (2) | 70 |  |
Residential real estate [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Beginning balance | 2,608 | 2,442 | 2,534 | 2,203 |  |
Ending balance | 3,425 | 2,278 | 3,425 | 2,278 |  |
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 86 | 160
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 3,339 | 2,374
Totals |  |  |  |  | 3,425 | 2,534
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 1,863 | 2,746
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 201,537 | 179,419
Totals |  |  |  |  | 203,400 | 182,165
Ending balance: |  |  |  |  |  |
Charge offs | (22) | (37) | (43) | (37) |  |
Recoveries |  | 1 | 49 | 2 |  |
Provision (credit) | 839 | (128) | 885 | 110 |  |
Consumer [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Beginning balance | 1,109 | 724 | 1,019 | 633 |  |
Ending balance | 997 | 783 | 997 | 783 |  |
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 4 | 3
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 993 | 1,016
Totals |  |  |  |  | 997 | 1,019
Ending balance: |  |  |  |  |  |
individually evaluated for impairment |  |  |  |  | 157 | 162
Ending balance: |  |  |  |  |  |
collectively evaluated for impairment |  |  |  |  | 56,882 | 60,995
Totals |  |  |  |  | $ 57,039 | $ 61,157
Ending balance: |  |  |  |  |  |
Charge offs | (4) | (24) | (35) | (36) |  |
Recoveries | 6 | 5 | 11 | 6 |  |
Provision (credit) | $ (114) | $ 78 | $ 2 | $ 180 |  |

X
- References No definition available. + Details
Name: | sbfg_EndingBalanceAbstract
Namespace Prefix: | sbfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sbfg_EndingBalanceAbstract0
Namespace Prefix: | sbfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sbfg_EndingBalanceAbstract00
Namespace Prefix: | sbfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sbfg_EndingBalanceAbstract000
Namespace Prefix: | sbfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sbfg_EndingBalanceAbstract0000000
Namespace Prefix: | sbfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sbfg_LoansAndLeasesReceivableGrossCarryingAmounts
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References No definition available. + Details
Name: | sbfg_LoansReceivableAllowance
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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