XML 165 R74.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans and the Allowance for Loan Losses (Details 7) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Sep. 01, 2013
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality $ 344,425us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality $ 448,930us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality $ 899,236us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 8,004us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 24,519us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 135,037us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 157,155us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 201,384us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 267,256us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		  
Commercial, financial, agricultural      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 23,404us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember		 35,484us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember		  
Commercial, financial, agricultural | Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Commercial, financial, agricultural | Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 6,684us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 9,546us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Commercial, financial, agricultural | Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 16,720us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 25,938us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		  
Lease financing      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember		  
Lease financing | Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Lease financing | Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Lease financing | Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_FinanceLeasesFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		  
Real estate – construction      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember		 2,885us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember		  
Real estate – construction | Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Real estate – construction | Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 1,648us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Real estate – construction | Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 1,237us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		  
Real estate – 1-4 family mortgage      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 82,819us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember		 102,562us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember		  
Real estate – 1-4 family mortgage | Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 420us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 835us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Real estate – 1-4 family mortgage | Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 43,597us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 53,631us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Real estate – 1-4 family mortgage | Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 38,802us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 48,096us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_RealEstateOneToFourFamilyMortgageMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		  
Real estate – commercial mortgage      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 234,245us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember		 301,190us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember		  
Real estate – commercial mortgage | Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 7,584us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 23,684us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Real estate – commercial mortgage | Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 84,720us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 92,302us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Real estate – commercial mortgage | Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 141,941us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 185,204us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		  
Installment loans to individuals      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 3,957us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember		 6,809us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember		  
Installment loans to individuals | Impaired Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_ImpairedCoveredLoansMember		  
Installment loans to individuals | Other Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality 36us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		 28us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_OtherCoveredLoansMember		  
Installment loans to individuals | Not Covered Loans      
Loans acquired with deteriorated credit quality      
Acquired with deteriorated credit quality $ 3,921us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember		 $ 6,781us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ us-gaap_FinancialInstrumentAxis
= rnst_InstallmentLoansToIndividualsMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rnst_NotCoveredLoansMember