XML 123 R105.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Note 16 - Disclosures About Fair Value of Financial Instruments - Estimated Fair Values and Related Carrying Amounts of Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Held-to-maturity securities | $ 465,960 | $ 713,371
Reported Value Measurement [Member] |  |
Cash and cash equivalents | 285,659 | 252,262
Interest bearing balances due from banks - time | 4,563 | 14,107
Held-to-maturity securities | 462,096 | 705,373
Mortgage loans held for sale | 27,788 | 30,265
Interest receivable | 27,788 | 25,793
Federal funds purchased and securities sold under agreements to repurchase | 115,029 | 99,398
Other borrowings | 273,159 | 162,289
Subordinated debentures | 60,397 | 60,570
Interest payable | 1,668 | 1,800
Reported Value Measurement [Member] | Non-Interest Bearing Transaction Accounts [Member] |  |
Deposits | 1,491,676 | 1,280,234
Reported Value Measurement [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member] |  |
Deposits | 3,956,483 | 3,485,845
Reported Value Measurement [Member] | Time Deposits [Member] |  |
Deposits | 1,287,060 | 1,320,017
Reported Value Measurement [Member] | Legacy Loans [Member] |  |
Legacy loans (net of allowance) | 4,290,921 | 3,215,103
Reported Value Measurement [Member] | Acquired Loans [Member] |  |
Legacy loans (net of allowance) | 1,305,683 | 1,672,901
Estimate of Fair Value Measurement [Member] |  |
Cash and cash equivalents | 285,659 | 252,262
Interest bearing balances due from banks - time | 4,563 | 14,105
Held-to-maturity securities | 465,960 | 713,371
Mortgage loans held for sale | 27,788 | 30,265
Interest receivable | 27,788 | 25,793
Federal funds purchased and securities sold under agreements to repurchase | 115,029 | 99,398
Other borrowings | 292,367 | 168,254
Subordinated debentures | 55,318 | 55,954
Interest payable | 1,668 | 1,800
Estimate of Fair Value Measurement [Member] | Non-Interest Bearing Transaction Accounts [Member] |  |
Deposits | 1,491,676 | 1,280,234
Estimate of Fair Value Measurement [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member] |  |
Deposits | 3,956,483 | 3,485,845
Estimate of Fair Value Measurement [Member] | Time Deposits [Member] |  |
Deposits | 1,278,339 | 1,315,254
Estimate of Fair Value Measurement [Member] | Legacy Loans [Member] |  |
Legacy loans (net of allowance) | 4,305,165 | 3,204,153
Estimate of Fair Value Measurement [Member] | Acquired Loans [Member] |  |
Legacy loans (net of allowance) | 1,310,017 | 1,667,204
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 285,659 | 252,262
Interest bearing balances due from banks - time |  |
Held-to-maturity securities |  |
Mortgage loans held for sale |  |
Interest receivable |  |
Federal funds purchased and securities sold under agreements to repurchase |  |
Other borrowings |  |
Subordinated debentures |  |
Interest payable |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Non-Interest Bearing Transaction Accounts [Member] |  |
Deposits |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member] |  |
Deposits |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Time Deposits [Member] |  |
Deposits |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Legacy Loans [Member] |  |
Legacy loans (net of allowance) |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Acquired Loans [Member] |  |
Legacy loans (net of allowance) |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Cash and cash equivalents |  |
Interest bearing balances due from banks - time | 4,563 | 14,105
Held-to-maturity securities | 465,960 | 713,371
Mortgage loans held for sale |  |
Interest receivable | 27,788 | 25,793
Federal funds purchased and securities sold under agreements to repurchase | 115,029 | 99,398
Other borrowings | 292,367 | 168,254
Subordinated debentures | 55,318 | 55,954
Interest payable | 1,668 | 1,800
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Non-Interest Bearing Transaction Accounts [Member] |  |
Deposits | 1,491,676 | 1,280,234
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member] |  |
Deposits | 3,956,483 | 3,485,845
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Time Deposits [Member] |  |
Deposits |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Legacy Loans [Member] |  |
Legacy loans (net of allowance) |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Acquired Loans [Member] |  |
Legacy loans (net of allowance) |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Cash and cash equivalents |  |
Interest bearing balances due from banks - time |  |
Held-to-maturity securities |  |
Mortgage loans held for sale | 27,788 | 30,265
Interest receivable |  |
Federal funds purchased and securities sold under agreements to repurchase |  |
Other borrowings |  |
Subordinated debentures |  |
Interest payable |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Non-Interest Bearing Transaction Accounts [Member] |  |
Deposits |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member] |  |
Deposits |  |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Time Deposits [Member] |  |
Deposits | 1,278,339 | 1,315,254
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Legacy Loans [Member] |  |
Legacy loans (net of allowance) | 4,305,165 | 3,204,153
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Acquired Loans [Member] |  |
Legacy loans (net of allowance) | $ 1,310,017 | $ 1,667,204

X
- Definition Represents the fair value portion of interest bearing balances due from banks - time. + References No definition available. + Details
Name: | sfnc_InterestBearingBalancesDueFromBanksTimeFairValueDisclosure
Namespace Prefix: | sfnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of interest payable on debt, including, but not limited to, trade payables. + References No definition available. + Details
Name: | sfnc_InterestPayableFairValueDisclosure
Namespace Prefix: | sfnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value of accrued interest receivable. + References No definition available. + Details
Name: | sfnc_InterestReceivableFairValueDisclosure
Namespace Prefix: | sfnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value portion of the aggregate of other miscellaneous borrowings owed by the reporting entity as of the balance sheet date. + References No definition available. + Details
Name: | sfnc_OtherBorrowingsFairValueDisclosure
Namespace Prefix: | sfnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. + References No definition available. + Details
Name: | us-gaap_DepositsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of short term borrowing where a bank borrows, at the federal funds rate, from another bank and securities that an entity sells and agrees to repurchase at a specified date for a specified price. + References No definition available. + Details
Name: | us-gaap_FederalFundsPurchasedAndSecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
Name: | us-gaap_LoansReceivableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of mortgage loans held-for-sale. + References No definition available. + Details
Name: | us-gaap_MortgagesHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=sfnc_NonInterestBearingTransactionAccountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=sfnc_InterestBearingTransactionAccountsAndSavingsDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=sfnc_TimeDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=sfnc_LegacyLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=sfnc_AcquiredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |