XML 82 R56.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans and Allowance for Loan Losses (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Summary of allowance for loan losses and recorded investment in loans based on portfolio segment and impairment method |  |
Beginning balance | $ 7,930 | $ 7,725
Charge offs | (407) | (231)
Recoveries | 44 | 36
Provision | 600 | 400
Ending Balance | 8,167 | 7,930
Allowance: Ending balance: individually evaluated for impairment | 138 | 329
Allowance: Ending balance: collectively evaluated for impairment | 8,029 | 7,601
Loans: Ending balance individually evaluated for impairment | 3,284 | 3,412
Loans: Ending balance collectively evaluated for impairment | 768,000 | 692,716
Commercial & Industrial [Member] |  |
Summary of allowance for loan losses and recorded investment in loans based on portfolio segment and impairment method |  |
Beginning balance | 823 | 1,204
Charge offs | (227) | (50)
Recoveries | 1 | 5
Provision | 838 | (336)
Ending Balance | 1,435 | 823
Allowance: Ending balance: individually evaluated for impairment | 61 |
Allowance: Ending balance: collectively evaluated for impairment | 1,374 | 823
Loans: Ending balance individually evaluated for impairment | 700 |
Loans: Ending balance collectively evaluated for impairment | 126,341 | 101,554
Commercial RE & Construction [Member] |  |
Summary of allowance for loan losses and recorded investment in loans based on portfolio segment and impairment method |  |
Beginning balance | 3,779 | 3,321
Charge offs | (42) | (26)
Recoveries | 28 | 2
Provision | (842) | 482
Ending Balance | 2,923 | 3,779
Allowance: Ending balance: individually evaluated for impairment |  | 146
Allowance: Ending balance: collectively evaluated for impairment | 2,923 | 3,633
Loans: Ending balance individually evaluated for impairment | 283 | 1,385
Loans: Ending balance collectively evaluated for impairment | 340,508 | 330,769
Agricultural & farmland [Member] |  |
Summary of allowance for loan losses and recorded investment in loans based on portfolio segment and impairment method |  |
Beginning balance | 505 | 347
Charge offs |  |
Recoveries |  | 5
Provision | (23) | 153
Ending Balance | 482 | 505
Allowance: Ending balance: individually evaluated for impairment |  |
Allowance: Ending balance: collectively evaluated for impairment | 482 | 505
Loans: Ending balance individually evaluated for impairment |  |
Loans: Ending balance collectively evaluated for impairment | 52,012 | 51,947
Residential real estate [Member] |  |
Summary of allowance for loan losses and recorded investment in loans based on portfolio segment and impairment method |  |
Beginning balance | 2,129 | 1,963
Charge offs | (30) | (61)
Recoveries | 2 | 6
Provision | 466 | 221
Ending Balance | 2,567 | 2,129
Allowance: Ending balance: individually evaluated for impairment | 73 | 178
Allowance: Ending balance: collectively evaluated for impairment | 2,494 | 1,951
Loans: Ending balance individually evaluated for impairment | 2,111 | 1,830
Loans: Ending balance collectively evaluated for impairment | 184,993 | 149,024
Consumer & Other [Member] |  |
Summary of allowance for loan losses and recorded investment in loans based on portfolio segment and impairment method |  |
Beginning balance | 694 | 890
Charge offs | (108) | (94)
Recoveries | 13 | 18
Provision | 161 | (120)
Ending Balance | 760 | 694
Allowance: Ending balance: individually evaluated for impairment | 4 | 5
Allowance: Ending balance: collectively evaluated for impairment | 756 | 689
Loans: Ending balance individually evaluated for impairment | 190 | 197
Loans: Ending balance collectively evaluated for impairment | $ 64,146 | $ 59,422

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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=84173941&loc=SL6953423-111524 + 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=84173941&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=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + 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)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of direct write-downs of financing receivables charged against the allowance. + 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)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + 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=84173941&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=84173941&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=84173941&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=114873765&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=109223946&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=sbfg_CommercialIndustrialMember
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: |