XML 108 R92.htm IDEA: XBRL DOCUMENT
v3.22.4

Disclosures About Fair Value of Assets and Liabilities (Details) - Schedule of fair value measurements, nonrecurring - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Impaired loans [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring | $ 1,028 | $ 464
Mortgage servicing rights [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring | 1,448 | 3,301
Level 1 [Member] | Impaired loans [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring |  |
Level 1 [Member] | Mortgage servicing rights [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring |  |
Level 2 [Member] | Impaired loans [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring |  |
Level 2 [Member] | Mortgage servicing rights [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring |  |
Level 3 [Member] | Impaired loans [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring | 1,028 | 464
Level 3 [Member] | Mortgage servicing rights [Member] |  |
Schedule of Fair Value Measurements Recognized in the Accompanying Consolidated Balance Sheets Using Significant Unobservable Level3 Inputs [Abstract] |  |
Assets, fair value, nonrecurring | $ 1,448 | $ 3,301

X
- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring 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: | sbfg_AssetFairValueDisclosureNonrecurring
Namespace Prefix: | sbfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=sbfg_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=sbfg_MortgageServicingRightsMember
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: |