XML 127 R77.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Loans and Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | $ 102,580 | $ 144,604
Real Estate Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 70,680 | 123,925
Other Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 31,900 | 20,679
Real Estate | Construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 1,251 | 43,826
Real Estate | Construction and development | Real Estate Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 1,251 | 43,826
Real Estate | Construction and development | Other Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 3,870
Real Estate | Single family residential | Real Estate Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 3,870
Real Estate | Single family residential | Other Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Real Estate | Other commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 69,429 | 76,229
Real Estate | Other commercial | Real Estate Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 69,429 | 76,229
Real Estate | Other commercial | Other Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Commercial | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 31,900 | 20,679
Commercial | Commercial | Real Estate Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | 0 | 0
Commercial | Commercial | Other Collateral |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, collateral dependent, amount | $ 31,900 | $ 20,679

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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
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: |