$RNST
Renasant Corp Stock $rnst

$rnst Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000071507224000042 Filed on February 23, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$213.2M		$797.3M
YoY Change	15.83%		47.16%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$8.097M	$8.531M	$35.23M
YoY Change	-12.34%	-6.81%	-17.58%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$89.89M		$278.0M
YoY Change	86.22%		359.4%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$49.32M	$31.91M	$177.2M
YoY Change	-14.07%	-46.06%	-16.15%
Income Tax	$9.912M	$3.787M	$32.51M
% Of Pretax Income	20.1%	11.87%	18.35%
Net Earnings	$39.41M	$28.12M	$144.7M
YoY Change	-14.47%	-39.23%	-12.88%
Net Earnings / Revenue	18.49%		18.15%
Basic Earnings Per Share	$0.70		$2.58
Diluted Earnings Per Share	$0.70	$0.50	$2.56
COMMON SHARES
Basic Shares Outstanding	56.22M shares	56.14M shares	56.10M shares
Diluted Shares Outstanding	56.53M shares		56.45M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$844.4M	$801.4M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$282.2M	$283.2M	$283.2M
YoY Change	-1.68%	-0.14%	-0.14%
Goodwill	$991.7M	$991.7M
YoY Change	0.0%	0.0%
Intangibles	$17.58M	$18.80M
YoY Change	-22.71%	-22.26%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$17.35B	$17.36B	$17.36B
YoY Change	-0.73%	2.19%	2.19%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses			$51.13M
YoY Change			-10.88%
Deferred Revenue
YoY Change
Short-Term Debt	$108.1M	$307.6M	$307.6M
YoY Change	-85.23%	-56.82%	-56.82%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$108.1M	$307.6M	$307.6M
YoY Change	-85.23%	2414.53%	436.14%
LONG-TERM LIABILITIES
Long-Term Debt	$428.0M	$429.4M	$429.4M
YoY Change	-0.71%	0.3%	0.3%
Other Long-Term Liabilities	$250.1M	$249.4M	$249.4M
YoY Change	18.18%	10.92%	10.92%
Total Long-Term Liabilities	$678.1M	$678.8M	$678.8M
YoY Change	5.51%	3.96%	3.96%
TOTAL LIABILITIES
Total Short-Term Liabilities	$108.1M	$307.6M	$307.6M
Total Long-Term Liabilities	$678.1M	$678.8M	$678.8M
Total Liabilities	$15.02B	$15.06B	$15.06B
YoY Change	-1.72%	1.42%	1.42%
SHAREHOLDERS EQUITY
Retained Earnings	$978.9M	$952.1M
YoY Change	9.83%	11.01%
Common Stock	$296.5M	$296.5M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.322B	$2.297B	$2.297B
YoY Change
Total Liabilities & Shareholders Equity	$17.35B	$17.36B	$17.36B
YoY Change	-0.73%	2.19%	2.19%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$39.41M	$28.12M	$144.7M
YoY Change	-14.47%	-39.23%	-12.88%
Depreciation, Depletion And Amortization	$8.097M	$8.531M	$35.23M
YoY Change	-12.34%	-6.81%	-17.58%
Cash From Operating Activities	$65.06M	$100.5M	$148.6M
YoY Change	-981.29%	-9.45%	-74.12%
INVESTING ACTIVITIES
Capital Expenditures	$3.296M	$5.234M	$21.63M
YoY Change	-59.99%	17.25%	45.8%
Acquisitions			$0.00
YoY Change			-100.0%
Other Investing Activities	-$93.00K	-$139.4M	-$1.844M
YoY Change	-93.06%	-69.15%	-41.03%
Cash From Investing Activities	$29.97M	-$144.6M	-$55.40M
YoY Change	-119.56%	-68.3%	-97.29%
FINANCING ACTIVITIES
Cash Dividend Paid	$12.65M		$50.28M
YoY Change	0.73%		0.58%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$245.0K		$2.680M
YoY Change			-91.73%
Cash From Financing Activities	-$51.98M	104.3M	$132.2M
YoY Change	-112.02%	-76.39%	-21.14%
NET CHANGE
Cash From Operating Activities	$65.06M	100.5M	$148.6M
Cash From Investing Activities	$29.97M	-144.6M	-$55.40M
Cash From Financing Activities	-$51.98M	104.3M	$132.2M
Net Change In Cash	$43.05M	60.16M	$225.4M
YoY Change	-84.16%	-37.65%	-117.31%
FREE CASH FLOW
Cash From Operating Activities	$65.06M	$100.5M	$148.6M
Capital Expenditures	$3.296M	$5.234M	$21.63M
Free Cash Flow	$61.76M	$95.22M	$126.9M
YoY Change	-495.42%	-10.57%	-77.3%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Interest Expense InterestExpense	277992000	usd
CY2023	rnst	Feesand Commissions Mortgage Banking1 FeesandCommissionsMortgageBanking1	32413000	usd
CY2023	us-gaap	Professional Fees ProfessionalFees	13671000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	14726000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	14325000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5380000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5122000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6042000	usd
CY2023	us-gaap	Communication Communication	8238000	usd
CY2022	us-gaap	Communication Communication	7958000	usd
CY2021	us-gaap	Communication Communication	8869000	usd
CY2021	us-gaap	Restructuring Charges RestructuringCharges	368000	usd
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	53906000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	32656000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35502000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	395372000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	430326000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	222827000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140381000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14838000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20516000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1234000	usd
CY2023	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000715072
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://www.renasantbank.com/20231231#PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://www.renasantbank.com/20231231#PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-13253
CY2023	dei	Entity Registrant Name EntityRegistrantName	RENASANT CORP
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MS
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	64-0676974
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	209 Troy Street,
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Tupelo,
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	MS
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	38804-4827
CY2023	dei	City Area Code CityAreaCode	662
CY2023	dei	Local Phone Number LocalPhoneNumber	680-1001
CY2023	dei	Security12b Title Security12bTitle	Common stock, $5.00 par value per share
CY2023	dei	Trading Symbol TradingSymbol	RNST
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	1429562972	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	56216702	shares
CY2023	dei	Auditor Name AuditorName	Horne LLP
CY2023	dei	Auditor Location AuditorLocation	Memphis, TN
CY2023	dei	Auditor Firm AuditorFirmId	171
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	206680000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	193513000	usd
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	594671000	usd
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	382479000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	801351000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	575992000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1121830000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1206540000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	1221464000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	1324040000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	923279000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1533942000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	179756000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	110105000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	12351230000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11578304000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	198578000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	192090000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	12152652000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	11386214000	usd
CY2023Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetafter Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization	283195000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetafter Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization	283595000	usd
CY2023Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	9622000	usd
CY2022Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1763000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	991665000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	991708000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	18795000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	24176000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	382584000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	373808000	usd
CY2023Q4	us-gaap	Servicing Asset ServicingAsset	91688000	usd
CY2022Q4	us-gaap	Servicing Asset ServicingAsset	84448000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	304484000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	298385000	usd
CY2023Q4	us-gaap	Assets Assets	17360535000	usd
CY2022Q4	us-gaap	Assets Assets	16988176000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3583675000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4558756000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	10493110000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8928210000	usd
CY2023Q4	us-gaap	Deposits Deposits	14076785000	usd
CY2022Q4	us-gaap	Deposits Deposits	13486966000	usd
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CY2022Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	712232000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	429400000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	428133000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	249390000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	224829000	usd
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CY2022Q4	us-gaap	Liabilities Liabilities	14852160000	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
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CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
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CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
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CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	56142207	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	55953104	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	296483000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	296483000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3154518	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3343621	shares
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	105249000	usd
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CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	16988176000	usd
CY2023	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	716456000	usd
CY2022	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	479910000	usd
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	435464000	usd
CY2023	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	44482000	usd
CY2022	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	45523000	usd
CY2021	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	24732000	usd
CY2023	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6006000	usd
CY2022	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7524000	usd
CY2021	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6800000	usd
CY2023	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	30375000	usd
CY2022	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	8853000	usd
CY2021	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1689000	usd
CY2023	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	797319000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	541810000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	468685000	usd
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	232331000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	35208000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	28976000	usd
CY2022	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	25304000	usd
CY2021	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	15708000	usd
CY2022	us-gaap	Interest Expense InterestExpense	60512000	usd
CY2021	us-gaap	Interest Expense InterestExpense	44684000	usd
CY2023	rnst	Recovery Of Provision For Credit Losses On Unfunded Commitments RecoveryOfProvisionForCreditLossesOnUnfundedCommitments	-3200000	usd
CY2023	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	0	usd
CY2022	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	0	usd
CY2021	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	32000	usd
CY2023	rnst	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	39199000	usd
CY2023	rnst	Feesand Commissions1 FeesandCommissions1	17901000	usd
CY2022	rnst	Feesand Commissions1 FeesandCommissions1	17268000	usd
CY2023	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	11102000	usd
CY2022	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	10754000	usd
CY2021	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	9841000	usd
CY2023	rnst	Feesand Commissions Fiduciaryand Trust Activities1 FeesandCommissionsFiduciaryandTrustActivities1	22132000	usd
CY2022	rnst	Feesand Commissions Fiduciaryand Trust Activities1 FeesandCommissionsFiduciaryandTrustActivities1	22339000	usd
CY2021	rnst	Feesand Commissions Fiduciaryand Trust Activities1 FeesandCommissionsFiduciaryandTrustActivities1	20455000	usd
CY2022	rnst	Feesand Commissions Mortgage Banking1 FeesandCommissionsMortgageBanking1	35794000	usd
CY2021	rnst	Feesand Commissions Mortgage Banking1 FeesandCommissionsMortgageBanking1	109604000	usd
CY2023	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	usd
CY2022	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	usd
CY2021	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	4676000	usd
CY2023	rnst	Gain Loss On Debt Redemption GainLossOnDebtRedemption	620000	usd
CY2022	rnst	Gain Loss On Debt Redemption GainLossOnDebtRedemption	0	usd
CY2021	rnst	Gain Loss On Debt Redemption GainLossOnDebtRedemption	0	usd
CY2023	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-22438000	usd
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	2170000	usd
CY2023	rnst	Debt Securities Available For Sale Impairment Charge DebtSecuritiesAvailableForSaleImpairmentCharge	19352000	usd
CY2022	rnst	Debt Securities Available For Sale Impairment Charge DebtSecuritiesAvailableForSaleImpairmentCharge	0	usd
CY2021	rnst	Debt Securities Available For Sale Impairment Charge DebtSecuritiesAvailableForSaleImpairmentCharge	0	usd
CY2023	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	10463000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	9267000	usd
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	21035000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	13874000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	20571000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	113075000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	149253000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	226984000	usd
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	281768000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	261654000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	280627000	usd
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	15195000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	14900000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	21726000	usd
CY2023	us-gaap	Occupancy Net OccupancyNet	46471000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	44819000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	46837000	usd
CY2023	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	267000	usd
CY2022	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	-453000	usd
CY2021	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	253000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	11872000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	11776000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	12203000	usd
CY2023	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2022	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1787000	usd
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	0	usd
CY2022	us-gaap	Restructuring Charges RestructuringCharges	732000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-6123000	usd
CY2023	us-gaap	Noninterest Expense NoninterestExpense	439622000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	177187000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	211308000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32509000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.58
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.13
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.56
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.95
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2023	us-gaap	Net Income Loss NetIncomeLoss	144678000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	15128000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-214351000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-38371000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-31063000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	1618000	usd
CY2023	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	-10091000	usd
CY2022	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	-3701000	usd
CY2021	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	54000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	56282000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-210650000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-40043000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-1905000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	14993000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	8087000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	3486000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1905000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	14993000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4601000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	60000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-3062000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-264000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-344000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-125000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-195000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-404000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2937000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	69000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	54781000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-198594000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-35511000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	199459000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-32526000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140381000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2132733000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	21315000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	50017000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2003000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	10074000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2209853000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-198594000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-32526000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	49991000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2825000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	11505000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	2136016000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	144678000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	54781000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	199459000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	50279000	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1529000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	13716000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	144678000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	574045000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	142659000	usd
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	11899000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	713096000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2107934000	usd
CY2023	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	15593000	usd
CY2022	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	23871000	usd
CY2021	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	-2168000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	35231000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	42744000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	47350000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5005000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2280000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11411000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	19352000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2023	rnst	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	0	usd
CY2022	rnst	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	18525000	usd
CY2021	rnst	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	0	usd
CY2023	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	547000	usd
CY2022	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2960000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	usd
CY2023	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1330912000	usd
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1679356000	usd
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4059927000	usd
CY2023	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1277363000	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2043360000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	4116106000	usd
CY2023	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	14573000	usd
CY2022	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	15803000	usd
CY2021	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	82399000	usd
CY2023	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	0	usd
CY2022	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	0	usd
CY2021	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-13561000	usd
CY2023	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-22438000	usd
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	2170000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-6123000	usd
CY2023	rnst	Gain Loss On Debt Redemption GainLossOnDebtRedemption	620000	usd
CY2022	rnst	Gain Loss On Debt Redemption GainLossOnDebtRedemption	0	usd
CY2021	rnst	Gain Loss On Debt Redemption GainLossOnDebtRedemption	0	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	173000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	239000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	840000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	13716000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	11505000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	10074000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	51986000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	29671000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	20812000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	23998000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-6279000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-42420000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	148553000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	488981000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	176455000	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	149025000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	385507000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	458020000	usd
CY2023	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2022	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	91803000	usd
CY2021	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	52135000	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	109953000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	67448000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2246000	usd
CY2023	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	791803000	usd
CY2022	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	1456119000	usd
CY2021	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-910063000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21634000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	943000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9813000	usd
CY2022	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	80000000	usd
CY2021	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	50000000	usd
CY2023	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-16076000	usd
CY2022	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	27807000	usd
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-3980000	usd
CY2023	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	3115000	usd
CY2022	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	3578000	usd
CY2021	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	6342000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	120888000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3127000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3663000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-55399000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2043657000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-660003000	usd
CY2023	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	-975081000	usd
CY2022	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	-159368000	usd
CY2021	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	1033076000	usd
CY2023	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	1564900000	usd
CY2022	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-259390000	usd
CY2021	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	813567000	usd
CY2023	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-404655000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	668805000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-7393000	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	197061000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2680000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	32417000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	202873000	usd
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	50279000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	49991000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	50017000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	21315000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	132205000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	167639000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1762106000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	225359000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1301973000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1244762000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	575992000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1877965000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	633203000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	801351000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	575992000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1877965000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	239611000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	54562000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	45745000	usd
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	42047000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	41764000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	50977000	usd
CY2023	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	10738000	usd
CY2022	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	2207000	usd
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	3180000	usd
CY2023	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	0	usd
CY2022	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	0	usd
CY2021	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	577000	usd
CY2023	rnst	Recognitionof Operating Rightof Use Asset RecognitionofOperatingRightofUseAsset	3126000	usd
CY2022	rnst	Recognitionof Operating Rightof Use Asset RecognitionofOperatingRightofUseAsset	3475000	usd
CY2021	rnst	Recognitionof Operating Rightof Use Asset RecognitionofOperatingRightofUseAsset	8142000	usd
CY2023	rnst	Recognitionof Operating Rightof Use Liabilities RecognitionofOperatingRightofUseLiabilities	3126000	usd
CY2022	rnst	Recognitionof Operating Rightof Use Liabilities RecognitionofOperatingRightofUseLiabilities	3475000	usd
CY2021	rnst	Recognitionof Operating Rightof Use Liabilities RecognitionofOperatingRightofUseLiabilities	8142000	usd
CY2023	rnst	Debt Securities Available For Sale Transferred To Debt Securities Held To Maturity In Period DebtSecuritiesAvailableForSaleTransferredToDebtSecuritiesHeldToMaturityInPeriod	0	usd
CY2022	rnst	Debt Securities Available For Sale Transferred To Debt Securities Held To Maturity In Period DebtSecuritiesAvailableForSaleTransferredToDebtSecuritiesHeldToMaturityInPeriod	882927000	usd
CY2021	rnst	Debt Securities Available For Sale Transferred To Debt Securities Held To Maturity In Period DebtSecuritiesAvailableForSaleTransferredToDebtSecuritiesHeldToMaturityInPeriod	366886000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Use of Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">: The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.</span></div>
CY2023	rnst	Number Of Days Past Due For Discontinued Recognition Of Interest On Mortgage And Commercial Loans NumberOfDaysPastDueForDiscontinuedRecognitionOfInterestOnMortgageAndCommercialLoans	P90D
CY2023	rnst	Number Of Days Past Due When Consumer And Other Retail Loans Charged Off NumberOfDaysPastDueWhenConsumerAndOtherRetailLoansChargedOff	P120D
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	54804000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	49850000	usd
CY2023Q4	rnst	Deferred Interest Allowance For Credit Loss DeferredInterestAllowanceForCreditLoss	1244000	usd
CY2022Q4	rnst	Deferred Interest Allowance For Credit Loss DeferredInterestAllowanceForCreditLoss	1248000	usd
CY2023Q4	rnst	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	1	lease_renewal_option
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023	rnst	Lock In Period For Interest Rates LockInPeriodForInterestRates	P45D
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1062649000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	424000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	139794000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	923279000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1735000000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	241000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	201299000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1533942000	usd
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1221496000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	74000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	99740000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1121830000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	1221464000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1324072000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	17000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	117549000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1206540000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	1324040000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023	rnst	Debt Securities Availablefor Sale Securities Soldat Carrying Value DebtSecuritiesAvailableforSaleSecuritiesSoldatCarryingValue	511419000	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	488981000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-22438000	usd
CY2021	rnst	Debt Securities Availablefor Sale Securities Soldat Carrying Value DebtSecuritiesAvailableforSaleSecuritiesSoldatCarryingValue	174285000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	176455000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2170000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	126000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	4322000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	22564000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	2152000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-22438000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2170000	usd
CY2023	rnst	Debt Securities Available For Sale Impaired Securities At Carrying Value DebtSecuritiesAvailableForSaleImpairedSecuritiesAtCarryingValue	179377000	usd
CY2023	rnst	Debt Securities Available For Sale Impairment Charge DebtSecuritiesAvailableForSaleImpairmentCharge	19352000	usd
CY2023Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date Year One DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	5710000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5650000	usd
CY2023Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive	7770000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	7358000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	36353000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	36390000	usd
CY2023Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	104491000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	94154000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	42145000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	37993000	usd
CY2023Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	234266000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	207282000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	15954000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	14893000	usd
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1221496000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1121830000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1062649000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	923279000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	6	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6819000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	222000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	127	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	685774000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	139572000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	133	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	692593000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	139794000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	247	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	726431000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	41924000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	98	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	788657000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	159375000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	345	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1515088000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	201299000	usd
CY2023Q4	rnst	Debt Securities Held For Maturity Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesHeldForMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	2	security
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	2807000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	25000	usd
CY2023Q4	rnst	Debt Securities Held For Maturity Continuous Unrealized Loss Position12 Months Or More Number Of Positions DebtSecuritiesHeldForMaturityContinuousUnrealizedLossPosition12MonthsOrMoreNumberOfPositions	234	security
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1117285000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	99715000	usd
CY2023Q4	rnst	Debt Securities Held For Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesHeldForMaturityUnrealizedLossPositionNumberOfPositions	236	security
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	1120092000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	99740000	usd
CY2022Q4	rnst	Debt Securities Held For Maturity Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesHeldForMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	122	security
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	448575000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	51435000	usd
CY2022Q4	rnst	Debt Securities Held For Maturity Continuous Unrealized Loss Position12 Months Or More Number Of Positions DebtSecuritiesHeldForMaturityContinuousUnrealizedLossPosition12MonthsOrMoreNumberOfPositions	115	security
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	755527000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	66112000	usd
CY2022Q4	rnst	Debt Securities Held For Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesHeldForMaturityUnrealizedLossPositionNumberOfPositions	237	security
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	1204102000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	117547000	usd
CY2023	rnst	Available For Sale Securities Explicit Or Implicit Performance Indicating Factors Percentage AvailableForSaleSecuritiesExplicitOrImplicitPerformanceIndicatingFactorsPercentage	0.90
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2023	rnst	Debt Securities Held To Maturity In Amortized Cost Of Rated Agencies Percentage DebtSecuritiesHeldToMaturityInAmortizedCostOfRatedAgenciesPercentage	1
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	12358017000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	11585458000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-6787000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-7154000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	12351230000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11578304000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-6787000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	12351230000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-7154000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11578304000	usd
CY2023Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	3115000	usd
CY2023	rnst	Financing Receivable Excluding Accrued Interest Modification Period FinancingReceivableExcludingAccruedInterestModificationPeriod	48773000	usd
CY2023	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0039
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan Writeoff FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff	0	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	19040000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	33011000	usd
CY2023	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	280000	usd
CY2023	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	216000	usd
CY2022	rnst	Loans And Leases Receivable Change In Related Parties LoansAndLeasesReceivableChangeInRelatedParties	28012000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	5063000	usd
CY2023	rnst	Unfunded Commitment UnfundedCommitment	5641000	usd
CY2022	rnst	Unfunded Commitment UnfundedCommitment	7387000	usd
CY2022Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue	105610000	usd
CY2022	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice	13654000	usd
CY2022	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	11460000	usd
CY2022	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Par Value DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtParValue	25114000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	192090000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	19040000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	6710000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	12330000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	18793000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	198578000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	10578000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	188000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	198578000	usd
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	45601000	usd
CY2023Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	12305629000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	12351230000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	23592000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	164171000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	14185000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	6856000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	7329000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	23788000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	192090000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	6442000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	185648000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	192090000	usd
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	29450000	usd
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	11548854000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11578304000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	10899000	usd
CY2023	rnst	Financing Receivable Credit Loss Expense Supportable Period FinancingReceivableCreditLossExpenseSupportablePeriod	P2Y
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20118000	usd
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20035000	usd
CY2023	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-3200000	usd
CY2022	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	83000	usd
CY2023Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	16918000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20118000	usd
CY2023Q4	rnst	Operating Lease Right Of Use Asset Before Accumulated Amortization OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization	48517000	usd
CY2022Q4	rnst	Operating Lease Right Of Use Asset Before Accumulated Amortization OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization	54930000	usd
CY2023Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetbefore Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization	439098000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetbefore Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization	433067000	usd
CY2023Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Asset Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetAccumulatedDepreciationandAmortization	155903000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Asset Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetAccumulatedDepreciationandAmortization	149472000	usd
CY2023Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetafter Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization	283195000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetafter Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization	283595000	usd
CY2023	us-gaap	Depreciation Depreciation	14881000	usd
CY2022	us-gaap	Depreciation Depreciation	14857000	usd
CY2021	us-gaap	Depreciation Depreciation	16406000	usd
CY2023Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	9622000	usd
CY2022Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1763000	usd
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	2540000	usd
CY2022	rnst	Other Real Estate Transfers Of Loans OtherRealEstateTransfersOfLoans	2207000	usd
CY2022	rnst	Other Real Estate Impairments OtherRealEstateImpairments	110000	usd
CY2022	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	2875000	usd
CY2022	rnst	Other Real Estate Other OtherRealEstateOther	-1000	usd
CY2022Q4	us-gaap	Other Real Estate OtherRealEstate	1763000	usd
CY2023	rnst	Other Real Estate Transfers Of Loans OtherRealEstateTransfersOfLoans	10738000	usd
CY2023	rnst	Other Real Estate Impairments OtherRealEstateImpairments	18000	usd
CY2023	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	2840000	usd
CY2023	rnst	Other Real Estate Other OtherRealEstateOther	21000	usd
CY2023Q4	us-gaap	Other Real Estate OtherRealEstate	9622000	usd
CY2023	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	103000	usd
CY2022	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	54000	usd
CY2021	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	79000	usd
CY2023	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	427000	usd
CY2022	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	93000	usd
CY2021	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	69000	usd
CY2023	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	18000	usd
CY2022	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	110000	usd
CY2021	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	306000	usd
CY2023	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	275000	usd
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	703000	usd
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	176000	usd
CY2023	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	6000	usd
CY2022	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	7000	usd
CY2021	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	25000	usd
CY2023	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	267000	usd
CY2022	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	-453000	usd
CY2021	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	253000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	939683000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	991708000	usd
CY2023	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	-43000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	991665000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	90162000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	71367000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	18795000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	90162000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	65986000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	24176000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4690000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4150000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3759000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3403000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2319000	usd
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	89018000	usd
CY2022	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	15565000	usd
CY2022	rnst	Capitalization Of Mortgage Servicing Rights CapitalizationOfMortgageServicingRights	22788000	usd
CY2022	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	11793000	usd
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	84448000	usd
CY2023	rnst	Capitalization Of Mortgage Servicing Rights CapitalizationOfMortgageServicingRights	17079000	usd
CY2023	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	9839000	usd
CY2023Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	91688000	usd
CY2022	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	15565000	usd
CY2022	rnst	Servicing Asset At Fair Value Gain Loss On Disposal Before Tax ServicingAssetAtFairValueGainLossOnDisposalBeforeTax	2960000	usd
CY2023	rnst	Servicing Asset At Fair Value Gain Loss On Disposal Before Tax ServicingAssetAtFairValueGainLossOnDisposalBeforeTax	547000	usd
CY2023Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	7826182000	usd
CY2022Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	7494413000	usd
CY2021Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	8728629000	usd
CY2023	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0877
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0700
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.1056
CY2023Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	2653000	usd
CY2022Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	5393000	usd
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	3875000	usd
CY2023Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	5457000	usd
CY2022Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	10354000	usd
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	7464000	usd
CY2023	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1085
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1030
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.0982
CY2023Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	4753000	usd
CY2022Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	1765000	usd
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	4153000	usd
CY2023Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	9149000	usd
CY2022Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	3957000	usd
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	8119000	usd
CY2023	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0388
CY2022	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0351
CY2021	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0329
CY2023	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.003324
CY2022	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.003244
CY2021	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.003037
CY2023	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P7Y6M
CY2022	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P8Y3M29D
CY2021	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P6Y8M8D
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3583675000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4558756000	usd
CY2023Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	6923039000	usd
CY2022Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	6151142000	usd
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	874842000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1081628000	usd
CY2023Q4	us-gaap	Time Deposits TimeDeposits	2695229000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	1695440000	usd
CY2023Q4	us-gaap	Deposits Deposits	14076785000	usd
CY2022Q4	us-gaap	Deposits Deposits	13486966000	usd
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	461441000	usd
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	233133000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	2503555000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	124327000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	38439000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	21873000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	4567000	usd
CY2023Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	2468000	usd
CY2023Q4	us-gaap	Time Deposits TimeDeposits	2695229000	usd
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	774206000	usd
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	402289000	usd
CY2023Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	10800000	usd
CY2022Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	25537000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	307577000	usd
CY2022Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	712232000	usd
CY2023	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	461692000	usd
CY2022	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	187684000	usd
CY2021	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	13409000	usd
CY2023Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0405
CY2022Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0238
CY2021Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0029
CY2023Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	180000000	usd
CY2022Q4	us-gaap	Line Of Credit LineOfCredit	0	usd
CY2023Q4	us-gaap	Line Of Credit LineOfCredit	0	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	429400000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	428133000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	112978000	usd
CY2023Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	109388000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	429400000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	429400000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	20195000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	21230000	usd
CY2023	rnst	Health Care Benefits Eligible Employee Retirement Agefrom Service Minimum HealthCareBenefitsEligibleEmployeeRetirementAgefromServiceMinimum	P55Y
CY2023	rnst	Health Care Benefits Eligible Employee Retirement Agefrom Service Maximum HealthCareBenefitsEligibleEmployeeRetirementAgefromServiceMaximum	P65Y
CY2023	rnst	Health Care Benefits Eligible Employee Years Of Service Minimum HealthCareBenefitsEligibleEmployeeYearsOfServiceMinimum	P15Y
CY2023	rnst	Health Care Benefits Eligible Employee Number Of Points Minimum HealthCareBenefitsEligibleEmployeeNumberOfPointsMinimum	70	point
CY2023	rnst	Minimum Eligible Agefor Medicare Coverage MinimumEligibleAgeforMedicareCoverage	P65Y
CY2023Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.077
CY2023Q4	rnst	Defined Benefit Plan Assets Managed By Subsidiary Percent DefinedBenefitPlanAssetsManagedBySubsidiaryPercent	0.11
CY2023	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Investment Redemption Notice Period1 FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1	P60D
CY2023Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	20119000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	20854000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2023	rnst	Percentage Of Plan Compensation As Nondiscretionary Contribution PercentageOfPlanCompensationAsNondiscretionaryContribution	0.05
CY2023	rnst	Percentage Of Plan Compensation In Excess Of Social Security Wage Base PercentageOfPlanCompensationInExcessOfSocialSecurityWageBase	0.05
CY2023	rnst	Defined Contribution Plan Eligible Employee Numberof Hours Minimum DefinedContributionPlanEligibleEmployeeNumberofHoursMinimum	PT1000H
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	usd
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6757000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7045000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11919000	usd
CY2023	rnst	Deferred Compensation Arrangementwith Individual Numberof Plans DeferredCompensationArrangementwithIndividualNumberofPlans	2	plan
CY2023	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	3265000	usd
CY2022	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	1486000	usd
CY2021	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	3274000	usd
CY2007	rnst	Pensionand Other Postretirement Defined Benefit Plans Assumedin Acquisitions Numberof Officers Providedfor PensionandOtherPostretirementDefinedBenefitPlansAssumedinAcquisitionsNumberofOfficersProvidedfor	4	officer
CY2007	rnst	Pensionand Other Postretirement Defined Benefit Plans Benefits Expiration Period Subsequentto Retirement PensionandOtherPostretirementDefinedBenefitPlansBenefitsExpirationPeriodSubsequenttoRetirement	P15Y
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	3345000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	3523000	usd
CY2023	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	10030000	usd
CY2022	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	9545000	usd
CY2021	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	8609000	usd
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10500	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.96
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10500	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.96
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P0Y
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	0	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P0Y
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	0	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	262000	usd
CY2023Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1774438	shares
CY2021Q4	rnst	Number Of Derivative Instruments Terminated NumberOfDerivativeInstrumentsTerminated	4	derivativeinstrument
CY2021Q4	rnst	Derivative Instrument Notional Amount Of Terminated Instruments DerivativeInstrumentNotionalAmountOfTerminatedInstruments	25000000	usd
CY2021	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	4676000	usd
CY2022	us-gaap	Loss On Contract Termination LossOnContractTermination	0	usd
CY2023	us-gaap	Loss On Contract Termination LossOnContractTermination	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	29284000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	36493000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	26425000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	22056000	usd
CY2023Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2022Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2023Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2022Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	29284000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	36493000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	26425000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	22056000	usd
CY2023Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	23863000	usd
CY2022Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	22056000	usd
CY2023Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	23863000	usd
CY2022Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	22056000	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2023Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	1074000	usd
CY2022Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	5421000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	14437000	usd
CY2023Q4	us-gaap	Derivative Liability Fair Value After Offset And Deduction Subject To Master Netting Arrangement DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement	1488000	usd
CY2022Q4	us-gaap	Derivative Liability Fair Value After Offset And Deduction Subject To Master Netting Arrangement DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement	0	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	36138000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	39507000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	34629000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1376000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3453000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	895000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	37514000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	42960000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	35524000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1187000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1630000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	9168000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3818000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	650000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2243000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5005000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2280000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11411000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32509000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	37209000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	44375000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	46794000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1505000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1832000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1669000	usd
CY2023	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	2197000	usd
CY2022	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	1946000	usd
CY2021	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	1547000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1901000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	928000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	988000	usd
CY2023	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	1741000	usd
CY2022	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	683000	usd
CY2021	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	817000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1929000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3241000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2479000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1091000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1647000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1049000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32509000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	53432000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	52551000	usd
CY2023Q4	rnst	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	1631000	usd
CY2022Q4	rnst	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	2518000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	15310000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14447000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	51211000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	70999000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	138000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	316000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	4035000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	0	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	33000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	497000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	1491000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	1164000	usd
CY2023Q4	rnst	Deferred Tax Assets Leases DeferredTaxAssetsLeases	13066000	usd
CY2022Q4	rnst	Deferred Tax Assets Leases DeferredTaxAssetsLeases	14641000	usd
CY2023Q4	rnst	Deferred Tax Asset Realized Losses On Securities DeferredTaxAssetRealizedLossesOnSecurities	4892000	usd
CY2022Q4	rnst	Deferred Tax Asset Realized Losses On Securities DeferredTaxAssetRealizedLossesOnSecurities	0	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2660000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3523000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	147899000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	160656000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	11023000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10342000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	21282000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	19624000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	1708000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	1948000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	2447000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	2702000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	12399000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	14018000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3344000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1614000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	52203000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	50248000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	95696000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	110408000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.1882
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2178
CY2023Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	407000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	408000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	402000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	78000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	65000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	62000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	86000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	66000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	56000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	399000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	407000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	408000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	26000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	17000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	15000	usd
CY2023	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	0	usd
CY2022	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	0	usd
CY2023Q4	rnst	Contractual Balance Impaired Loans Measured At Fair Value On Nonrecurring Basis ContractualBalanceImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	37515000	usd
CY2022Q4	rnst	Contractual Balance Impaired Loans Measured At Fair Value On Nonrecurring Basis ContractualBalanceImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	18288000	usd
CY2023	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	3300000	usd
CY2022	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-9854000	usd
CY2021	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	10354000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	73229000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	18448000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	54781000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-264687000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-66093000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-198594000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-47635000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-12124000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-35511000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	144678000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	166068000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	175892000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56099689	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55904579	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56114666	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.58
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.13
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	144678000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	166068000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	175892000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56099689	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55904579	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56114666	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	348474	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	309651	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	309818	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56448163	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56214230	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56424484	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.56
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.95
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
CY2023Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	3091997000	usd
CY2023Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	113970000	usd
CY2022Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	3577614000	usd
CY2022Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	98357000	usd
CY2020Q1	rnst	Reserve Requirements With Federal Reserve ReserveRequirementsWithFederalReserve	0	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	20003000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	36079000	usd
CY2023Q4	rnst	Federal Home Loan Bank Stock Required Investment Amount FederalHomeLoanBankStockRequiredInvestmentAmount	19098000	usd
CY2022Q4	rnst	Federal Home Loan Bank Stock Required Investment Amount FederalHomeLoanBankStockRequiredInvestmentAmount	35417000	usd
CY2023Q4	rnst	Regulatory Restrictionson Paymentof Dividends Excess Surplus Ratio RegulatoryRestrictionsonPaymentofDividendsExcessSurplusRatio	10
CY2023Q4	rnst	Amount Transferable Loans Maximum AmountTransferableLoansMaximum	188810000	usd
CY2023Q4	rnst	Line Of Credit Collateralized By Cash LineOfCreditCollateralizedByCash	3000000	usd
CY2023Q4	rnst	Inter Company Borrowed Funds InterCompanyBorrowedFunds	0	usd
CY2023Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05
CY2023Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Well Capitalized To Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.065
CY2023Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2023Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.10
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2023Q4	rnst	Common Equity Tier One Leverage Capital Required For Capital Adequacy To Average Assets CommonEquityTierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.045
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2023Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2023Q4	rnst	Tier One Leverage Capital Requiredtobe Undercapitalizedto Average Assets TierOneLeverageCapitalRequiredtobeUndercapitalizedtoAverageAssets	0.04
CY2023Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Undercapitalized To Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeUndercapitalizedToAverageAssets	0.045
CY2023Q4	rnst	Tier One Risk Based Capital Requiredtobe Undercapitalizedto Risk Weighted Assets TierOneRiskBasedCapitalRequiredtobeUndercapitalizedtoRiskWeightedAssets	0.06
CY2023Q4	rnst	Capital Requiredtobe Undercapitalizedto Risk Weighted Assets CapitalRequiredtobeUndercapitalizedtoRiskWeightedAssets	0.08
CY2023Q4	rnst	Tier One Leverage Capital Requiredtobe Significantly Undercapitalizedto Average Assets TierOneLeverageCapitalRequiredtobeSignificantlyUndercapitalizedtoAverageAssets	0.03
CY2023Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Significantly Undercapitalizedto Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeSignificantlyUndercapitalizedtoAverageAssets	0.03
CY2023Q4	rnst	Tier One Risk Based Capital Requiredtobe Significantly Undercapitalizedto Risk Weighted Assets TierOneRiskBasedCapitalRequiredtobeSignificantlyUndercapitalizedtoRiskWeightedAssets	0.04
CY2023Q4	rnst	Capital Requiredtobe Significantly Undercapitalizedto Risk Weighted Assets CapitalRequiredtobeSignificantlyUndercapitalizedtoRiskWeightedAssets	0.06
CY2023Q4	rnst	Tangible Capital Requiredtobe Critically Undercapitalizedto Total Assets TangibleCapitalRequiredtobeCriticallyUndercapitalizedtoTotalAssets	0.02
CY2020Q1	rnst	Regulatory Capital Transitional Period To Phase Out Capital Benefit By Two Year Delay RegulatoryCapitalTransitionalPeriodToPhaseOutCapitalBenefitByTwoYearDelay	P3Y
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	519327000	usd
CY2023	rnst	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Unfunded Commitments FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingUnfundedCommitments	15593000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	113075000	usd
CY2023	us-gaap	Noninterest Expense NoninterestExpense	439622000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	177187000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32509000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	144678000	usd
CY2023Q4	us-gaap	Assets Assets	17360535000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	991665000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	481298000	usd
CY2022	rnst	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Unfunded Commitments FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingUnfundedCommitments	23871000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	149253000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	395372000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	211308000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2022Q4	us-gaap	Assets Assets	16988176000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	991708000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	424001000	usd
CY2021	rnst	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Including Unfunded Commitments FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalIncludingUnfundedCommitments	-2168000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	226984000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	430326000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	222827000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2021Q4	us-gaap	Assets Assets	16810311000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	939683000	usd
CY2023Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	42761000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	44049000	usd
CY2023Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	34929000	usd
CY2022Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	37301000	usd
CY2023Q4	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	13446000	usd
CY2022Q4	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	12875000	usd
CY2023Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	5614000	usd
CY2022Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	6127000	usd
CY2023	us-gaap	Lease Income LeaseIncome	1441000	usd
CY2022	us-gaap	Lease Income LeaseIncome	903000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	313000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	663000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	1006000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	7812000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	574000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	32393000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	42761000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	48517000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	54930000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	51130000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	57369000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	7333000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	7847000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	217000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	29000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	800000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	1056000	usd
CY2023	us-gaap	Sublease Income SubleaseIncome	551000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	624000	usd
CY2023	us-gaap	Lease Cost LeaseCost	7799000	usd
CY2022	us-gaap	Lease Cost LeaseCost	8308000	usd
CY2023	rnst	Operating Lease Payments Fixed OperatingLeasePaymentsFixed	7171000	usd
CY2022	rnst	Operating Lease Payments Fixed OperatingLeasePaymentsFixed	9528000	usd
CY2023	rnst	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	5472000	usd
CY2022	rnst	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	7789000	usd
CY2023	rnst	Operating Lease Weighted Average Remaining Lease Term Over The Period OperatingLeaseWeightedAverageRemainingLeaseTermOverThePeriod	P18Y6M3D
CY2022	rnst	Operating Lease Weighted Average Remaining Lease Term Over The Period OperatingLeaseWeightedAverageRemainingLeaseTermOverThePeriod	P17Y11M15D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0349
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0302
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3126000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3475000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6340000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5593000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4909000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4277000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4020000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	44967000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	70106000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	18976000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	51130000	usd
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	6859000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	7623000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	8298000	usd
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

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$RNST
Renasant Corp Stock $rnst

2024 Q1 Form 10-K Financial Statement

#000071507224000042 Filed on February 23, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RNST Renasant Corp Stock $rnst

2024 Q1 Form 10-K Financial Statement

#000071507224000042 Filed on February 23, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RNST
Renasant Corp Stock $rnst