XML 91 R71.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 6 - Loans Acquired - Carrying Value of all Acquired Impaired Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Acquired loans | [1] | $ 5,074,076 | $ 1,305,683
Acquired loans | [1] | 5,074,076 | 1,305,683
Consumer Portfolio Segment [Member] |  |  |
Acquired loans |  | 51,467 | 49,677
Acquired loans |  | 51,467 | 49,677
Commercial Real Estate Portfolio Segment [Member] |  |  |
Acquired loans |  | 3,818,037 | 1,170,871
Acquired loans |  | 3,818,037 | 1,170,871
Commercial Portfolio Segment [Member] |  |  |
Acquired loans |  | 1,062,163 | 85,135
Acquired loans |  | 1,062,163 | 85,135
Unallocated Financing Receivables [Member] |  |  |
Acquired loans |  | 142,409 |
Acquired loans |  | 142,409 |
Other Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Acquired loans |  | 51,467 | 49,677
Acquired loans |  | 51,467 | 49,677
Other Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Acquired loans |  | 2,387,777 | 690,108
Acquired loans |  | 2,387,777 | 690,108
Construction Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Acquired loans |  | 637,032 | 57,587
Acquired loans |  | 637,032 | 57,587
Single Family Residential Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Acquired loans |  | 793,228 | 423,176
Acquired loans |  | 793,228 | 423,176
Commercial Loans [Member] | Commercial Portfolio Segment [Member] |  |  |
Acquired loans |  | 995,587 | 81,837
Acquired loans |  | 995,587 | 81,837
Agricultural Loans [Member] | Commercial Portfolio Segment [Member] |  |  |
Acquired loans |  | 66,576 | 3,298
Acquired loans |  | $ 66,576 | $ 3,298
[1] | Loans acquired are reported net of a $418,000 and $954,000 allowance as of December 31, 2017 and 2016, respectively.

X
- Definition Carrying value of acquired impaired loans as of the reported date. + References No definition available. + Details
Name: | sfnc_AcquiredImpairedLoansCarryingValue
Namespace Prefix: | sfnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sfnc_OtherLoansMember
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=sfnc_SingleFamilyResidentialLoansMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sfnc_AgriculturalLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |