XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.23.3

Loans - Schedule of Amortized Cost Basis of Loan Modifications (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 6,497
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.05%
Interest Rate Reduction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,164
Term Extension |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 5,056
Payment Delay |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 277
Commercial, financial, agricultural |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,209
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.07%
Commercial, financial, agricultural | Interest Rate Reduction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Financing receivable, modified, weighted average interest rate decrease from modification | 0.00%
Commercial, financial, agricultural | Term Extension |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,209
Financing receivable, modified, weighted average term increase from modification | 2 months 3 days
Commercial, financial, agricultural | Payment Delay |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Real estate – construction: |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 3,751
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.27%
Real estate – construction: | Residential |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 3,751
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 1.25%
Real estate – construction: | Interest Rate Reduction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Real estate – construction: | Interest Rate Reduction | Residential |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Financing receivable, modified, weighted average interest rate decrease from modification | 0.00%
Real estate – construction: | Term Extension |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 3,751
Real estate – construction: | Term Extension | Residential |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 3,751
Financing receivable, modified, weighted average term increase from modification | 4 months 21 days
Real estate – construction: | Payment Delay |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Real estate – construction: | Payment Delay | Residential |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 0
Real estate – 1-4 family mortgage: |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 7
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.00%
Real estate – 1-4 family mortgage: | Home equity |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 7
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.00%
Real estate – 1-4 family mortgage: | Interest Rate Reduction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 7
Real estate – 1-4 family mortgage: | Interest Rate Reduction | Home equity |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 7
Financing receivable, modified, weighted average interest rate decrease from modification | 3.00%
Real estate – 1-4 family mortgage: | Term Extension |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Real estate – 1-4 family mortgage: | Term Extension | Home equity |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 0
Real estate – 1-4 family mortgage: | Payment Delay |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 0
Real estate – 1-4 family mortgage: | Payment Delay | Home equity |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 0
Real Estate - Commercial Mortgage |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,530
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.03%
Real Estate - Commercial Mortgage | Owner-occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 522
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.03%
Real Estate - Commercial Mortgage | Non-owner occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,008
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage | 0.03%
Real Estate - Commercial Mortgage | Interest Rate Reduction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,157
Real Estate - Commercial Mortgage | Interest Rate Reduction | Owner-occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 149
Financing receivable, modified, weighted average interest rate decrease from modification | 0.68%
Real Estate - Commercial Mortgage | Interest Rate Reduction | Non-owner occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 1,008
Financing receivable, modified, weighted average interest rate decrease from modification | 0.12%
Real Estate - Commercial Mortgage | Term Extension |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 96
Real Estate - Commercial Mortgage | Term Extension | Owner-occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 96
Financing receivable, modified, weighted average term increase from modification | 8 months 12 days
Real Estate - Commercial Mortgage | Term Extension | Non-owner occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0
Real Estate - Commercial Mortgage | Payment Delay |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | 277
Real Estate - Commercial Mortgage | Payment Delay | Owner-occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 277
Financing receivable, modified, weighted average term increase from modification | 3 months
Real Estate - Commercial Mortgage | Payment Delay | Non-owner occupied |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Financing receivable, excluding accrued interest, modification period | $ 0

X
- Definition Financing Receivable, Excluding Accrued Interest, Modification Period + References No definition available. + Details
Name: | rnst_FinancingReceivableExcludingAccruedInterestModificationPeriod
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A + Details
Name: | us-gaap_FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A + Details
Name: | us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
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_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_RealEstateOneToFourFamilyMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_CommercialResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_OwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ParticipatingMortgageLoansAxis=rnst_NonownerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |