XML 67 R54.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Allowance for Credit Losses - Roll Forward Of the Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Allowance for credit losses: |  |  |
Beginning balance | $ 198,578 | $ 192,090 | $ 192,090
Charge-offs | (910) | (6,457) | (19,040)
Recoveries | 746 | 1,725 |
Net (charge-offs) recoveries | (164) | (4,732) |
Provision for (recovery of) credit losses on loans | 2,638 | 7,960 |
Ending balance | 201,052 | 195,292 | 198,578
Individually evaluated | 9,947 | 16,809 |
Collectively evaluated | 191,105 | 178,483 |
Loans: |  |  |
Individually evaluated | 36,491 | 48,923 |
Collectively evaluated | 12,464,034 | 11,717,502 |
Loans, net of unearned income | 12,500,525 | 11,766,425 | 12,351,230
Nonaccruing loans with no allowance for credit losses | 17,615 | 15,994 |
Commercial, financial, agricultural |  |  |
Allowance for credit losses: |  |  |
Beginning balance | 43,980 | 44,255 | 44,255
Charge-offs | (349) | (529) | (8,838)
Recoveries | 346 | 725 |
Net (charge-offs) recoveries | (3) | 196 |
Provision for (recovery of) credit losses on loans | 1,944 | 253 |
Ending balance | 45,921 | 44,678 | 43,980
Individually evaluated | 9,104 | 14,162 |
Collectively evaluated | 36,817 | 30,516 |
Loans: |  |  |
Individually evaluated | 15,861 | 24,985 |
Collectively evaluated | 1,853,547 | 1,715,793 |
Loans, net of unearned income | 1,869,408 | 1,740,778 |
Nonaccruing loans with no allowance for credit losses | 157 | 768 |
Real estate – construction: |  |  |
Allowance for credit losses: |  |  |
Beginning balance | 18,612 | 19,114 | 19,114
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Net (charge-offs) recoveries | 0 | 0 |
Provision for (recovery of) credit losses on loans | (1,295) | 845 |
Ending balance | 17,317 | 19,959 | 18,612
Individually evaluated | 0 | 35 |
Collectively evaluated | 17,317 | 19,924 |
Loans: |  |  |
Individually evaluated | 0 | 652 |
Collectively evaluated | 1,243,535 | 1,423,700 |
Loans, net of unearned income | 1,243,535 | 1,424,352 |
Nonaccruing loans with no allowance for credit losses | 0 | 0 |
Real estate – 1-4 family mortgage: |  |  |
Allowance for credit losses: |  |  |
Beginning balance | 47,283 | 44,727 | 44,727
Charge-offs | (82) | (3) | (417)
Recoveries | 48 | 24 |
Net (charge-offs) recoveries | (34) | 21 |
Provision for (recovery of) credit losses on loans | 317 | 1,233 |
Ending balance | 47,566 | 45,981 | 47,283
Individually evaluated | 0 | 608 |
Collectively evaluated | 47,566 | 45,373 |
Loans: |  |  |
Individually evaluated | 7,327 | 12,637 |
Collectively evaluated | 3,421,959 | 3,266,343 |
Loans, net of unearned income | 3,429,286 | 3,278,980 |
Nonaccruing loans with no allowance for credit losses | 7,328 | 9,710 |
Real estate – commercial mortgage: |  |  |
Allowance for credit losses: |  |  |
Beginning balance | 77,020 | 71,798 | 71,798
Charge-offs | 0 | (5,115) | (5,568)
Recoveries | 6 | 211 |
Net (charge-offs) recoveries | 6 | (4,904) |
Provision for (recovery of) credit losses on loans | 1,699 | 5,876 |
Ending balance | 78,725 | 72,770 | 77,020
Individually evaluated | 573 | 1,734 |
Collectively evaluated | 78,152 | 71,036 |
Loans: |  |  |
Individually evaluated | 13,033 | 10,375 |
Collectively evaluated | 5,740,197 | 5,075,438 |
Loans, net of unearned income | 5,753,230 | 5,085,813 |
Nonaccruing loans with no allowance for credit losses | 10,130 | 5,511 |
Lease financing |  |  |
Allowance for credit losses: |  |  |
Beginning balance | 2,515 | 2,463 | 2,463
Charge-offs | 0 | 0 | (1,524)
Recoveries | 8 | 5 |
Net (charge-offs) recoveries | 8 | 5 |
Provision for (recovery of) credit losses on loans | 31 | (31) |
Ending balance | 2,554 | 2,437 | 2,515
Individually evaluated | 0 | 0 |
Collectively evaluated | 2,554 | 2,437 |
Loans: |  |  |
Individually evaluated | 0 | 0 |
Collectively evaluated | 107,474 | 121,146 |
Loans, net of unearned income | 107,474 | 121,146 |
Nonaccruing loans with no allowance for credit losses | 0 | 0 |
Installment Loans to Individuals |  |  |
Allowance for credit losses: |  |  |
Beginning balance | 9,168 | 9,733 | 9,733
Charge-offs | (479) | (810) | (2,636)
Recoveries | 338 | 760 |
Net (charge-offs) recoveries | (141) | (50) |
Provision for (recovery of) credit losses on loans | (58) | (216) |
Ending balance | 8,969 | 9,467 | 9,168
Individually evaluated | 270 | 270 |
Collectively evaluated | 8,699 | 9,197 |
Loans: |  |  |
Individually evaluated | 270 | 274 |
Collectively evaluated | 97,322 | 115,082 |
Loans, net of unearned income | 97,592 | 115,356 |
Nonaccruing loans with no allowance for credit losses | $ 0 | 5 |
Cumulative Effect, Period Of Adoption, Adjustment |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | (26) | (26)
Cumulative Effect, Period Of Adoption, Adjustment | Commercial, financial, agricultural |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | (26) | (26)
Cumulative Effect, Period Of Adoption, Adjustment | Real estate – construction: |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | 0 | 0
Cumulative Effect, Period Of Adoption, Adjustment | Real estate – 1-4 family mortgage: |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | 0 | 0
Cumulative Effect, Period Of Adoption, Adjustment | Real estate – commercial mortgage: |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | 0 | 0
Cumulative Effect, Period Of Adoption, Adjustment | Lease financing |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | 0 | 0
Cumulative Effect, Period Of Adoption, Adjustment | Installment Loans to Individuals |  |  |
Allowance for credit losses: |  |  |
Beginning balance |  | $ 0 | $ 0

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L(5)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11C -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11C + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11C Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L(5)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_RealEstateOneToFourFamilyMortgageMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rnst_LeaseFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |