XML 27 R79.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 8 - Income Taxes (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Nov. 25, 2013
Nov. 24, 2013
Earliest Tax Year [Member] | Domestic Tax Authority [Member]      
Note 8 - Income Taxes (Details) [Line Items]      
Open Tax Year 2011    
Earliest Tax Year [Member] | State and Local Jurisdiction [Member]      
Note 8 - Income Taxes (Details) [Line Items]      
Open Tax Year 2008    
Metropolitan [Member]      
Note 8 - Income Taxes (Details) [Line Items]      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent 34,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= sfnc_MetropolitanMember
$ 30,699,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= sfnc_MetropolitanMember
$ 34,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= sfnc_MetropolitanMember
Metropolitan [Member]      
Note 8 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards 72,800,000us-gaap_OperatingLossCarryforwards
/ dei_LegalEntityAxis
= sfnc_MetropolitanMember
  $ 72,800,000us-gaap_OperatingLossCarryforwards
/ dei_LegalEntityAxis
= sfnc_MetropolitanMember