XML 76 R60.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 5 - Loans and Allowance for Loan Losses - Troubled Debt Restructurings, Excluding Loans Acquired, Segregated by Class of Loans (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2016 | Sep. 30, 2017 USD ($) | Sep. 30, 2016 | Dec. 31, 2016 USD ($)
Troubled debt, number | 1 | 21 | 13 | 67 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  | 15 | 3 | 49 |
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] |  |  |  |  |
Troubled debt, number |  | 13 | 1 | 22 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |  |
Troubled debt, number | 1 |  |  |  |
Commercial Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number | 1 | 5 | 10 | 16 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |  |
Troubled debt, number |  | 5 | 10 | 16 |
Consumer Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  | 1 |  | 2 |
Consumer Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  | 1 |  | 2 |
Loans, Excluding Acquired Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 40 |  | 79
Troubled debt, balance | $ 17,383 |  | $ 17,383 |  | $ 14,174
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  | 27 |  | 58
Troubled debt, balance | 14,443 |  | $ 14,443 |  | $ 12,091
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 1 |  | 1
Troubled debt, balance | 432 |  | $ 432 |  | $ 18
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 18 |  | 32
Troubled debt, balance | 982 |  | $ 982 |  | $ 2,245
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 8 |  | 25
Troubled debt, balance | 13,029 |  | $ 13,029 |  | $ 9,828
Loans, Excluding Acquired Loans [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  | 13 |  | 20
Troubled debt, balance | 2,940 |  | $ 2,940 |  | $ 2,080
Loans, Excluding Acquired Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 13 |  | 20
Troubled debt, balance | 2,940 |  | $ 2,940 |  | $ 2,080
Loans, Excluding Acquired Loans [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  | 1
Troubled debt, balance |  |  |  |  | $ 3
Loans, Excluding Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  | 1
Troubled debt, balance |  |  |  |  | $ 3
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] |  |  |  |  |
Troubled debt, number |  |  | 16 |  | 41
Troubled debt, balance | 9,212 |  | $ 9,212 |  | $ 10,998
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  | 9 |  | 26
Troubled debt, balance | 7,021 |  | $ 7,021 |  | $ 9,215
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  |
Troubled debt, balance |  |  |  |  |
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 4 |  | 3
Troubled debt, balance | 144 |  | $ 144 |  | $ 167
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 5 |  | 23
Troubled debt, balance | 6,877 |  | $ 6,877 |  | $ 9,048
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  | 7 |  | 15
Troubled debt, balance | 2,191 |  | $ 2,191 |  | $ 1,783
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 7 |  | 15
Troubled debt, balance | 2,191 |  | $ 2,191 |  | $ 1,783
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  |
Troubled debt, balance |  |  |  |  |
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  |
Troubled debt, balance |  |  |  |  |
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] |  |  |  |  |
Troubled debt, number |  |  | 24 |  | 38
Troubled debt, balance | 8,171 |  | $ 8,171 |  | $ 3,176
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  | 18 |  | 32
Troubled debt, balance | 7,422 |  | $ 7,422 |  | $ 2,876
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 1 |  | 1
Troubled debt, balance | 432 |  | $ 432 |  | $ 18
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 14 |  | 29
Troubled debt, balance | 838 |  | $ 838 |  | $ 2,078
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 3 |  | 2
Troubled debt, balance | 6,152 |  | $ 6,152 |  | $ 780
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  | 6 |  | 5
Troubled debt, balance | 749 |  | $ 749 |  | $ 297
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |  |
Troubled debt, number |  |  | 6 |  | 5
Troubled debt, balance | $ 749 |  | $ 749 |  | $ 297
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  | 1
Troubled debt, balance |  |  |  |  | $ 3
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member] |  |  |  |  |
Troubled debt, number |  |  |  |  | 1
Troubled debt, balance |  |  |  |  | $ 3

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |