XML 79 R64.htm IDEA: XBRL DOCUMENT
v3.25.2

Loans and Allowance for Credit Losses - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | $ 114,131 | $ 102,580
Real Estate | Construction and development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 500 | 1,251
Real Estate | Single family residential |  |
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 | 91,110 | 69,429
Commercial | Commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 22,521 | 31,900
Real Estate Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 91,610 | 70,680
Real Estate Collateral | Real Estate | Construction and development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 500 | 1,251
Real Estate Collateral | Real Estate | Single family residential |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Real Estate Collateral | Real Estate | Other commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 91,110 | 69,429
Real Estate Collateral | Commercial | Commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Other Collateral |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 22,521 | 31,900
Other Collateral | Real Estate | Construction and development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Other Collateral | Real Estate | Single family residential |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Other Collateral | Real Estate | Other commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Other Collateral | Commercial | Commercial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, collateral dependent, amount | $ 22,521 | $ 31,900

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_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: |

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: |