XML 85 R71.htm IDEA: XBRL DOCUMENT
v3.23.3

Loans and Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | $ 129,492 | $ 70,926
Real Estate Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 107,328 | 67,606
Other Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 22,164 | 3,320
Real Estate | Construction and development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 3,502 | 2,156
Real Estate | Construction and development | Real Estate Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 3,502 | 2,156
Real Estate | Construction and development | Other Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Real Estate | Single family residential |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 1,442 | 0
Real Estate | Single family residential | Real Estate Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 1,442 | 0
Real Estate | Single family residential | Other Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Real Estate | Other commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 102,384 | 65,450
Real Estate | Other commercial | Real Estate Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 102,384 | 65,450
Real Estate | Other commercial | Other Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Commercial | Commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 22,164 | 3,320
Commercial | Commercial | Real Estate Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Commercial | Commercial | Other Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | $ 22,164 | $ 3,320

X
- Definition Financing Receivable, Collateral Dependent, Amount + References No definition available. + Details
Name: | sfnc_FinancingReceivableCollateralDependentAmount
Namespace Prefix: | sfnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_LoansAndLeasesReceivableDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=sfnc_OtherBusinessAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=sfnc_RealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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