$RNST
Renasant Corp Stock $rnst

$rnst Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000071507223000054 Filed on February 24, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$184.0M		$541.8M
YoY Change	67.02%		15.6%
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	$9.237M	$9.154M	$42.74M
YoY Change	-27.86%	-29.58%	-9.73%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$48.27M		$60.51M
YoY Change	357.02%		35.42%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$57.40M	$59.16M	$211.3M
YoY Change	38.37%	22.23%	-5.17%
Income Tax	$11.32M	$12.89M	$45.24M
% Of Pretax Income	19.72%	21.78%	21.41%
Net Earnings	$46.08M	$46.28M	$166.1M
YoY Change	37.35%	24.73%	-5.59%
Net Earnings / Revenue	25.04%		30.65%
Basic Earnings Per Share	$0.82		$2.97
Diluted Earnings Per Share	$0.82	$821.4K	$2.954M
COMMON SHARES
Basic Shares Outstanding	56.02M shares	55.95M shares	55.90M shares
Diluted Shares Outstanding	56.27M shares		56.21M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$847.7M	$576.0M
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	$287.0M	$283.6M	$283.6M
YoY Change	0.58%	-3.25%	-3.21%
Goodwill	$991.7M	$991.7M
YoY Change	4.79%	5.54%
Intangibles	$22.75M	$24.18M
YoY Change	0.08%	0.32%
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	$17.47B	$16.99B	$16.99B
YoY Change	3.62%	1.06%	1.06%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses			$57.37M
YoY Change			-14.37%
Deferred Revenue
YoY Change
Short-Term Debt	$732.1M	$712.2M	$712.2M
YoY Change	557.86%	5006.7%	4987.37%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$732.1M	$12.23M	$57.37M
YoY Change	6390.44%	-12.63%	-14.37%
LONG-TERM LIABILITIES
Long-Term Debt	$431.1M	$428.1M	$428.1M
YoY Change	-0.9%	-9.1%	-9.1%
Other Long-Term Liabilities	$211.6M	$224.8M	$224.8M
YoY Change	12.24%	7.06%	57.22%
Total Long-Term Liabilities	$642.7M	$653.0M	$653.0M
YoY Change	3.08%	-4.12%	6.35%
TOTAL LIABILITIES
Total Short-Term Liabilities	$732.1M	$12.23M	$57.37M
Total Long-Term Liabilities	$642.7M	$653.0M	$653.0M
Total Liabilities	$15.29B	$14.85B	$14.85B
YoY Change	3.81%	1.72%	1.73%
SHAREHOLDERS EQUITY
Retained Earnings	$891.2M	$857.7M
YoY Change	16.86%	15.65%
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	$2.187B	$2.136B	$2.136B
YoY Change
Total Liabilities & Shareholders Equity	$17.47B	$16.99B	$16.99B
YoY Change	3.62%	1.06%	1.06%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$46.08M	$46.28M	$166.1M
YoY Change	37.35%	24.73%	-5.59%
Depreciation, Depletion And Amortization	$9.237M	$9.154M	$42.74M
YoY Change	-27.86%	-29.58%	-9.73%
Cash From Operating Activities	-$7.382M	$110.9M	$574.0M
YoY Change	-103.59%	111.31%	302.39%
INVESTING ACTIVITIES
Capital Expenditures	$8.237M	$4.464M	$14.84M
YoY Change	305.76%	-220.65%	-27.68%
Acquisitions	$0.00		$120.9M
YoY Change	-100.0%
Other Investing Activities	-$1.340M	-$451.7M	-$3.127M
YoY Change	547.34%	59.06%	-14.63%
Cash From Investing Activities	-$153.2M	-$456.2M	-$2.044B
YoY Change	-73.8%	58.57%	209.64%
FINANCING ACTIVITIES
Cash Dividend Paid	$12.56M		$49.99M
YoY Change	0.45%		-0.05%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$0.00		$32.42M
YoY Change	-100.0%		-84.02%
Cash From Financing Activities	$432.3M	441.8M	$167.6M
YoY Change	298.41%	-30.66%	-90.49%
NET CHANGE
Cash From Operating Activities	-$7.382M	110.9M	$574.0M
Cash From Investing Activities	-$153.2M	-456.2M	-$2.044B
Cash From Financing Activities	$432.3M	441.8M	$167.6M
Net Change In Cash	$271.7M	96.49M	-$1.302B
YoY Change	-200.46%	-75.99%	-204.6%
FREE CASH FLOW
Cash From Operating Activities	-$7.382M	$110.9M	$574.0M
Capital Expenditures	$8.237M	$4.464M	$14.84M
Free Cash Flow	-$15.62M	$106.5M	$559.2M
YoY Change	-107.66%	89.46%	357.83%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Registrant Name EntityRegistrantName	RENASANT CORP
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000715072
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2022#AccountingStandardsUpdate201613Member
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentNet
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CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherAssets
CY2022Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-13253
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MS
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	64-0676974
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	209 Troy Street,
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Tupelo,
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	MS
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	38804-4827
CY2022	dei	City Area Code CityAreaCode	662
CY2022	dei	Local Phone Number LocalPhoneNumber	680-1001
CY2022	dei	Security12b Title Security12bTitle	Common stock, $5.00 par value per share
CY2022	dei	Trading Symbol TradingSymbol	RNST
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
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CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
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CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
CY2022	dei	Auditor Name AuditorName	Horne LLP
CY2022	dei	Auditor Location AuditorLocation	Memphis, TN
CY2022	dei	Auditor Firm AuditorFirmId	171
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CY2021	rnst	Feesand Commissions1 FeesandCommissions1	15732000	usd
CY2020	rnst	Feesand Commissions1 FeesandCommissions1	13043000	usd
CY2022	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	10754000	usd
CY2021	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	9841000	usd
CY2020	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8990000	usd
CY2022	rnst	Feesand Commissions Fiduciaryand Trust Activities1 FeesandCommissionsFiduciaryandTrustActivities1	22339000	usd
CY2021	rnst	Feesand Commissions Fiduciaryand Trust Activities1 FeesandCommissionsFiduciaryandTrustActivities1	20455000	usd
CY2020	rnst	Feesand Commissions Fiduciaryand Trust Activities1 FeesandCommissionsFiduciaryandTrustActivities1	16504000	usd
CY2022	rnst	Feesand Commissions Mortgage Banking1 FeesandCommissionsMortgageBanking1	35794000	usd
CY2021	rnst	Feesand Commissions Mortgage Banking1 FeesandCommissionsMortgageBanking1	109604000	usd
CY2020	rnst	Feesand Commissions Mortgage Banking1 FeesandCommissionsMortgageBanking1	150499000	usd
CY2022	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	usd
CY2021	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	4676000	usd
CY2020	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	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
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	46000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	9267000	usd
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	7366000	usd
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5627000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	13874000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	20571000	usd
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	9497000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	149253000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	226984000	usd
CY2020	us-gaap	Noninterest Income NoninterestIncome	235532000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	261654000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	280627000	usd
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	302388000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	14900000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	21726000	usd
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	20685000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	44819000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	46837000	usd
CY2020	us-gaap	Occupancy Net OccupancyNet	54080000	usd
CY2022	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	-453000	usd
CY2021	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	253000	usd
CY2020	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	2754000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	11872000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	11776000	usd
CY2020	us-gaap	Professional Fees ProfessionalFees	11293000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	14325000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	12203000	usd
CY2020	us-gaap	Advertising Expense AdvertisingExpense	10322000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5122000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6042000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7121000	usd
CY2022	us-gaap	Communication Communication	7958000	usd
CY2021	us-gaap	Communication Communication	8869000	usd
CY2020	us-gaap	Communication Communication	8866000	usd
CY2022	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1787000	usd
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2022	us-gaap	Restructuring Charges RestructuringCharges	732000	usd
CY2021	us-gaap	Restructuring Charges RestructuringCharges	368000	usd
CY2020	us-gaap	Restructuring Charges RestructuringCharges	7365000	usd
CY2022	us-gaap	Loss On Contract Termination LossOnContractTermination	0	usd
CY2021	us-gaap	Loss On Contract Termination LossOnContractTermination	0	usd
CY2020	us-gaap	Loss On Contract Termination LossOnContractTermination	2040000	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
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.13
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-121000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	32739000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35002000	usd
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	44953000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	395455000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	429826000	usd
CY2020	us-gaap	Noninterest Expense NoninterestExpense	471988000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	211308000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	222827000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	103491000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19840000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	83651000	usd
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.49
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.95
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.48
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
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	83651000	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
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	20717000	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
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	34000	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
CY2020	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	0	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
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	20683000	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
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	688000	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
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1521000	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
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2209000	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
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	797000	usd
CY2022	rnst	Other Comprehensive Income Loss Defined Benefit Plan Voluntary Early Retirement Plan Settlement Loss Reclassification Adjustment From Aoci After Tax OtherComprehensiveIncomeLossDefinedBenefitPlanVoluntaryEarlyRetirementPlanSettlementLossReclassificationAdjustmentFromAOCIAfterTax	0	usd
CY2021	rnst	Other Comprehensive Income Loss Defined Benefit Plan Voluntary Early Retirement Plan Settlement Loss Reclassification Adjustment From Aoci After Tax OtherComprehensiveIncomeLossDefinedBenefitPlanVoluntaryEarlyRetirementPlanSettlementLossReclassificationAdjustmentFromAOCIAfterTax	0	usd
CY2020	rnst	Other Comprehensive Income Loss Defined Benefit Plan Voluntary Early Retirement Plan Settlement Loss Reclassification Adjustment From Aoci After Tax OtherComprehensiveIncomeLossDefinedBenefitPlanVoluntaryEarlyRetirementPlanSettlementLossReclassificationAdjustmentFromAOCIAfterTax	-422000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	usd
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	362000	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
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-193000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	362000	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
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1412000	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
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	24304000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-32526000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140381000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	107955000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2125689000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	83651000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	24304000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	107955000	usd
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	24569000	usd
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	50134000	usd
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1686000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	10577000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2132733000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-35511000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140381000	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
CY2022	us-gaap	Net Income Loss NetIncomeLoss	166068000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	175892000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	83651000	usd
CY2022	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	23788000	usd
CY2021	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	-1668000	usd
CY2020	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	86850000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	42744000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	47350000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	34633000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2280000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11411000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-13662000	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
CY2020	rnst	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	0	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
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	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
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4479421000	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
CY2020	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	4530328000	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
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	150406000	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
CY2020	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	11726000	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
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	46000	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
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-121000	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
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-38000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	11505000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	10074000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	10577000	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
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	59224000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-6196000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-42920000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	27077000	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
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	82242000	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
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	515657000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	176455000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	44906000	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
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	437981000	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
CY2020	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	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
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	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
CY2020	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	1233232000	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
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28270000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1234000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9813000	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	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
CY2020	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	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
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-18840000	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
CY2020	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	8438000	usd
CY2022	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	120888000	usd
CY2021	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	0	usd
CY2020	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	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
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1446000	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
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1265548000	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
CY2020	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	1133278000	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
CY2020	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	712781000	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
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-467872000	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
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	98266000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	32417000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	202873000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	171000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	49991000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	50017000	usd
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	50134000	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
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	24569000	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
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1401579000	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
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	218273000	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
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	414930000	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
CY2022	us-gaap	Interest Paid Net InterestPaidNet	54562000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	45745000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	73686000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	41764000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	50977000	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	39989000	usd
CY2022	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	2207000	usd
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	3180000	usd
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	8588000	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
CY2020	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	148000	usd
CY2022	rnst	Recognitionof Operating Rightof Use Asset RecognitionofOperatingRightofUseAsset	3475000	usd
CY2021	rnst	Recognitionof Operating Rightof Use Asset RecognitionofOperatingRightofUseAsset	8142000	usd
CY2020	rnst	Recognitionof Operating Rightof Use Asset RecognitionofOperatingRightofUseAsset	9393000	usd
CY2022	rnst	Recognitionof Operating Rightof Use Liabilities RecognitionofOperatingRightofUseLiabilities	3475000	usd
CY2021	rnst	Recognitionof Operating Rightof Use Liabilities RecognitionofOperatingRightofUseLiabilities	8142000	usd
CY2020	rnst	Recognitionof Operating Rightof Use Liabilities RecognitionofOperatingRightofUseLiabilities	9393000	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
CY2020	rnst	Debt Securities Available For Sale Transferred To Debt Securities Held To Maturity In Period DebtSecuritiesAvailableForSaleTransferredToDebtSecuritiesHeldToMaturityInPeriod	0	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<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>
CY2022	rnst	Number Of Days Past Due For Discontinued Recognition Of Interest On Mortgage And Commercial Loans NumberOfDaysPastDueForDiscontinuedRecognitionOfInterestOnMortgageAndCommercialLoans	P90D
CY2022	rnst	Number Of Days Past Due When Consumer And Other Retail Loans Charged Off NumberOfDaysPastDueWhenConsumerAndOtherRetailLoansChargedOff	P120D
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	49850000	usd
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	41692000	usd
CY2022Q4	rnst	Deferred Interest Allowance For Credit Loss DeferredInterestAllowanceForCreditLoss	1248000	usd
CY2021Q4	rnst	Deferred Interest Allowance For Credit Loss DeferredInterestAllowanceForCreditLoss	1273000	usd
CY2022	rnst	Restructured Loans Discontinued Past Due Period RestructuredLoansDiscontinuedPastDuePeriod	P90D
CY2022Q4	rnst	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	1	lease_renewal_option
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022	rnst	Lock In Period For Interest Rates LockInPeriodForInterestRates	P45D
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
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2400956000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16120000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	31024000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2386052000	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
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	416389000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	334000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1171000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	415552000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	416357000	usd
CY2022	us-gaap	Debt Securities Held To Maturity Transfer To Available For Sale Allowance For Credit Loss Expense DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense	882927000	usd
CY2022	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	-99675000	usd
CY2022	us-gaap-supplement	Unrealized Gain Loss Investment And Derivative Operating After Tax UnrealizedGainLossInvestmentAndDerivativeOperatingAfterTax	-74307000	usd
CY2022	rnst	Debt Securities Available For Sale Transfer Realized Gain Loss DebtSecuritiesAvailableForSaleTransferRealizedGainLoss	0	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	9377000	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
CY2020	rnst	Debt Securities Availablefor Sale Securities Soldat Carrying Value DebtSecuritiesAvailableforSaleSecuritiesSoldatCarryingValue	44860000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	44906000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	46000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	4322000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	230000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	2152000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	184000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2170000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	46000	usd
CY2022Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date Year One DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne	150000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	149000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	9393000	usd
CY2022Q4	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	3351000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	3162000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	228812000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	222940000	usd
CY2022Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	53650000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	46253000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	75549000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	71029000	usd
CY2022Q4	rnst	Debt Securities Held To Maturity Amortized Cost Before Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostBeforeAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	234720000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	194000000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	75078000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	67926000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1324072000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1206540000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1735000000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1533942000	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
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	121	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1899384000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	30120000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	7	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	25634000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	904000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	128	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1925018000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	31024000	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
CY2021Q4	rnst	Debt Securities Held For Maturity Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesHeldForMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	90	security
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	201791000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1154000	usd
CY2021Q4	rnst	Debt Securities Held For Maturity Continuous Unrealized Loss Position12 Months Or More Number Of Positions DebtSecuritiesHeldForMaturityContinuousUnrealizedLossPosition12MonthsOrMoreNumberOfPositions	1	security
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	5354000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	17000	usd
CY2021Q4	rnst	Debt Securities Held For Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesHeldForMaturityUnrealizedLossPositionNumberOfPositions	91	security
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	207145000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	1171000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	32000	usd
CY2022	rnst	Debt Securities Held To Maturity In Amortized Cost Of Rated Agencies Percentage DebtSecuritiesHeldToMaturityInAmortizedCostOfRatedAgenciesPercentage	0.9999
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	11585458000	usd
CY2021Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	10024981000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	7154000	usd
CY2021Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	4067000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11578304000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	10020914000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	7154000	usd
CY2022	rnst	Health Care Benefits Eligible Employee Number Of Points Minimum HealthCareBenefitsEligibleEmployeeNumberOfPointsMinimum	70	point
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	11578304000	usd
CY2021Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	4067000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	10020914000	usd
CY2022	rnst	Numberof Restructured Loans NumberofRestructuredLoans	0	loan
CY2022	rnst	Restructured Loans Discontinued Past Due Period RestructuredLoansDiscontinuedPastDuePeriod	P90D
CY2021	rnst	Numberof Restructured Loans NumberofRestructuredLoans	1000	loan
CY2021	rnst	Restructured Loans Discontinued Past Due Period RestructuredLoansDiscontinuedPastDuePeriod	P90D
CY2022Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	22624000	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20259000	usd
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20448000	usd
CY2022	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	26	loan
CY2022	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	10018000	usd
CY2022	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	10040000	usd
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	45	loan
CY2021	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	12291000	usd
CY2021	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	12311000	usd
CY2022	rnst	Minimum Eligible Agefor Medicare Coverage MinimumEligibleAgeforMedicareCoverage	P65Y
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	51	loan
CY2020	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	14302000	usd
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	14011000	usd
CY2022	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	491000	usd
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	117000	usd
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	522000	usd
CY2020Q4	rnst	Financing Receivables Restructured Loans Number FinancingReceivablesRestructuredLoansNumber	124	loan
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20448000	usd
CY2021	rnst	Additional Loans With Concessions Number Of Contracts AdditionalLoansWithConcessionsNumberOfContracts	45	loan
CY2021	rnst	Additional Loans With Concessions Restructured Loans AdditionalLoansWithConcessionsRestructuredLoans	12639000	usd
CY2021	rnst	Financing Receivables Impaired Troubled Debt Restructuring Reclassifiedas Performing Loan Number FinancingReceivablesImpairedTroubledDebtRestructuringReclassifiedasPerformingLoanNumber	6	loan
CY2021	rnst	Financing Receivables Impaired Troubled Debt Restructuring Reclassifiedas Performing Loan FinancingReceivablesImpairedTroubledDebtRestructuringReclassifiedasPerformingLoan	366000	usd
CY2021	rnst	Reclassified As Nonperforming Number Of Restructured Loans ReclassifiedAsNonperformingNumberOfRestructuredLoans	18	loan
CY2021	rnst	Restructured Loans Reclassified As Non Performing RestructuredLoansReclassifiedAsNonPerforming	4390000	usd
CY2021	rnst	Paid In Full Number Of Loans PaidInFullNumberOfLoans	21	loan
CY2021	rnst	Paid In Full Recorded Investment PaidInFullRecordedInvestment	7586000	usd
CY2021	rnst	Charge Offs Numberof Restructured Loans ChargeOffsNumberofRestructuredLoans	-1	loan
CY2021	rnst	Charge Offs Recorded Investment ChargeOffsRecordedInvestment	-205000	usd
CY2021	rnst	Principal Paydowns Number Of Restructured Loans PrincipalPaydownsNumberOfRestructuredLoans	0	loan
CY2021	rnst	Principal Paydowns Restructured Loans PrincipalPaydownsRestructuredLoans	1013000	usd
CY2021Q4	rnst	Financing Receivables Restructured Loans Number FinancingReceivablesRestructuredLoansNumber	135	loan
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20259000	usd
CY2022	rnst	Additional Loans With Concessions Number Of Contracts AdditionalLoansWithConcessionsNumberOfContracts	24	loan
CY2022	rnst	Additional Loans With Concessions Restructured Loans AdditionalLoansWithConcessionsRestructuredLoans	10332000	usd
CY2022	rnst	Financing Receivables Impaired Troubled Debt Restructuring Reclassifiedas Performing Loan Number FinancingReceivablesImpairedTroubledDebtRestructuringReclassifiedasPerformingLoanNumber	12	loan
CY2022	rnst	Financing Receivables Impaired Troubled Debt Restructuring Reclassifiedas Performing Loan FinancingReceivablesImpairedTroubledDebtRestructuringReclassifiedasPerformingLoan	5326000	usd
CY2022	rnst	Reclassified As Nonperforming Number Of Restructured Loans ReclassifiedAsNonperformingNumberOfRestructuredLoans	28	loan
CY2022	rnst	Restructured Loans Reclassified As Non Performing RestructuredLoansReclassifiedAsNonPerforming	7411000	usd
CY2022	rnst	Paid In Full Number Of Loans PaidInFullNumberOfLoans	23	loan
CY2022	rnst	Paid In Full Recorded Investment PaidInFullRecordedInvestment	4758000	usd
CY2022	rnst	Principal Paydowns Number Of Restructured Loans PrincipalPaydownsNumberOfRestructuredLoans	0	loan
CY2022	rnst	Principal Paydowns Restructured Loans PrincipalPaydownsRestructuredLoans	1124000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.075
CY2022Q4	rnst	Financing Receivables Restructured Loans Number FinancingReceivablesRestructuredLoansNumber	120	loan
CY2022Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	22624000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	307000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	29907000	usd
CY2022	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	3778000	usd
CY2022	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	674000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	33011000	usd
CY2022	rnst	Unfunded Commitment UnfundedCommitment	7387000	usd
CY2021	rnst	Unfunded Commitment UnfundedCommitment	10471000	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	rnst	Defined Contribution Plan Eligible Employee Numberof Hours Minimum DefinedContributionPlanEligibleEmployeeNumberofHoursMinimum	PT1000H
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
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	164171000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	14185000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	6856000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	7329000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	23788000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	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 Losses FinancingReceivableAllowanceForCreditLosses	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	Notes Receivable Gross NotesReceivableGross	11578304000	usd
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	10899000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	176144000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	18874000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	8601000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	10273000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-1700000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	164171000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	12463000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	151708000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	164171000	usd
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	33449000	usd
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	9987465000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	10020914000	usd
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	8018000	usd
CY2022	rnst	Financing Receivable Credit Loss Expense Supportable Period FinancingReceivableCreditLossExpenseSupportablePeriod	P2Y
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20035000	usd
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20535000	usd
CY2022	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	83000	usd
CY2021	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-500000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20118000	usd
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	20035000	usd
CY2022Q4	rnst	Operating Lease Right Of Use Asset Before Accumulated Amortization OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization	54930000	usd
CY2021Q4	rnst	Operating Lease Right Of Use Asset Before Accumulated Amortization OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization	63547000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetbefore Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization	433067000	usd
CY2021Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetbefore Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization	430284000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Asset Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetAccumulatedDepreciationandAmortization	149472000	usd
CY2021Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Asset Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetAccumulatedDepreciationandAmortization	137162000	usd
CY2022Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetafter Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization	283595000	usd
CY2021Q4	rnst	Property Plantand Equipmentand Operating Lease Rightof Use Assetafter Accumulated Depreciationand Amortization PropertyPlantandEquipmentandOperatingLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization	293122000	usd
CY2022	us-gaap	Depreciation Depreciation	14857000	usd
CY2021	us-gaap	Depreciation Depreciation	16406000	usd
CY2020	us-gaap	Depreciation Depreciation	18699000	usd
CY2022Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1763000	usd
CY2021Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	2540000	usd
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	5972000	usd
CY2021	rnst	Other Real Estate Transfers Of Loans OtherRealEstateTransfersOfLoans	3180000	usd
CY2021	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	306000	usd
CY2021	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	6166000	usd
CY2021	rnst	Other Real Estate Other OtherRealEstateOther	140000	usd
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	2540000	usd
CY2022	rnst	Other Real Estate Transfers Of Loans OtherRealEstateTransfersOfLoans	2207000	usd
CY2022	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	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
CY2022	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	54000	usd
CY2021	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	79000	usd
CY2020	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	279000	usd
CY2022	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	93000	usd
CY2021	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	69000	usd
CY2020	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	364000	usd
CY2022	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	110000	usd
CY2021	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	306000	usd
CY2020	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	2160000	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
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	23000	usd
CY2022	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	7000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	90162000	usd
CY2021	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	25000	usd
CY2020	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	26000	usd
CY2022	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	-453000	usd
CY2021	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	253000	usd
CY2020	rnst	Foreclosed Real Estate Expense Net ForeclosedRealEstateExpenseNet	2754000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	939683000	usd
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
CY2021Q4	us-gaap	Goodwill Goodwill	939683000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	991708000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	65986000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	24176000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	84962000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	60864000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	24098000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5378000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4690000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4150000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3759000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3403000	usd
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	62994000	usd
CY2021	rnst	Capitalization Of Mortgage Servicing Rights CapitalizationOfMortgageServicingRights	33948000	usd
CY2021	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	21485000	usd
CY2021	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-13561000	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
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
CY2020Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	7322671000	usd
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
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.1505
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
CY2020Q4	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	4001000	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
CY2020Q4	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	7674000	usd
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
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.0986
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
CY2020Q4	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	2144000	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
CY2020Q4	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	4144000	usd
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
CY2020	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0358
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
CY2020	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.002994
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
CY2020	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P5Y1M20D
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4558756000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4718124000	usd
CY2022Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	6151142000	usd
CY2021Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	6695879000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1081628000	usd
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1080338000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	1695440000	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	1411383000	usd
CY2022Q4	us-gaap	Deposits Deposits	13486966000	usd
CY2021Q4	us-gaap	Deposits Deposits	13905724000	usd
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	233133000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	1236045000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	336382000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	87883000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	19575000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	12129000	usd
CY2022Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	3426000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	1695440000	usd
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	402289000	usd
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	326076000	usd
CY2022Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	25537000	usd
CY2021Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	27908000	usd
CY2022Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	712232000	usd
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	13947000	usd
CY2022	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	187684000	usd
CY2021	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	13409000	usd
CY2020	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	356853000	usd
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
CY2020Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0107
CY2022Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	180000000	usd
CY2022Q4	us-gaap	Line Of Credit LineOfCredit	0	usd
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	0	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	428133000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	471209000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	112042000	usd
CY2022Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	108450000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	428133000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	428133000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	21230000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	27567000	usd
CY2022	rnst	Health Care Benefits Eligible Employee Retirement Agefrom Service Minimum HealthCareBenefitsEligibleEmployeeRetirementAgefromServiceMinimum	P55Y
CY2022	rnst	Health Care Benefits Eligible Employee Retirement Agefrom Service Maximum HealthCareBenefitsEligibleEmployeeRetirementAgefromServiceMaximum	P65Y
CY2022	rnst	Health Care Benefits Eligible Employee Years Of Service Minimum HealthCareBenefitsEligibleEmployeeYearsOfServiceMinimum	P15Y
CY2022	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Investment Redemption Notice Period1 FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1	P60D
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	20854000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	30399000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2022	rnst	Percentage Of Plan Compensation As Nondiscretionary Contribution PercentageOfPlanCompensationAsNondiscretionaryContribution	0.05
CY2022	rnst	Percentage Of Plan Compensation In Excess Of Social Security Wage Base PercentageOfPlanCompensationInExcessOfSocialSecurityWageBase	0.05
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7045000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11919000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17888000	usd
CY2022	rnst	Deferred Compensation Arrangementwith Individual Numberof Plans DeferredCompensationArrangementwithIndividualNumberofPlans	2	plan
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
CY2020	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	3965000	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
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	3523000	usd
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	3679000	usd
CY2022	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	9545000	usd
CY2021	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	8609000	usd
CY2020	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	6425000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	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
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	29250	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.86
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	18750	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	16.37
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
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
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	191000	usd
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	10500	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	14.96
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	191000	usd
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
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	279000	usd
CY2022Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	2543213	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
CY2020Q4	rnst	Number Of Derivative Instruments Terminated NumberOfDerivativeInstrumentsTerminated	2	derivativeinstrument
CY2020Q4	rnst	Derivative Instrument Notional Amount Of Terminated Instruments DerivativeInstrumentNotionalAmountOfTerminatedInstruments	15000000	usd
CY2020	us-gaap	Loss On Contract Termination LossOnContractTermination	2040000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	36493000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	8007000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	22056000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	13436000	usd
CY2022Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	usd
CY2022Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	36493000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	8007000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	22056000	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	13436000	usd
CY2022Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	22056000	usd
CY2021Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	7208000	usd
CY2022Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	22056000	usd
CY2021Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	7208000	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2022Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	usd
CY2021Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	6228000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	14437000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	799000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	0	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	0	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	39507000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	34629000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30193000	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
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3309000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	42960000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	35524000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	33502000	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
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-10947000	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
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2715000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2280000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11411000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-13662000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19840000	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
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	21733000	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
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1431000	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
CY2020	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	1182000	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
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1494000	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
CY2020	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	1280000	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
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	469000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1647000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1049000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	465000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45240000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46935000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19840000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	52551000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	50712000	usd
CY2022Q4	rnst	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	2518000	usd
CY2021Q4	rnst	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	2855000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14447000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14522000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	70999000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	3545000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	316000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	392000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	497000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	1211000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	1164000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	890000	usd
CY2022Q4	rnst	Deferred Tax Assets Leases DeferredTaxAssetsLeases	14641000	usd
CY2021Q4	rnst	Deferred Tax Assets Leases DeferredTaxAssetsLeases	17106000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3523000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3241000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	160656000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	94474000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10342000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5339000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	19624000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	20779000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	1948000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	2130000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	2702000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	3177000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	14018000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	16209000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1614000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1607000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	50248000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	49241000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	110408000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	45233000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2178
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2241
CY2022Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	408000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	402000	usd
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	667000	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
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	101000	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
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	314000	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
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	52000	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
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
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	18000	usd
CY2021	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
CY2022Q4	rnst	Contractual Balance Impaired Loans Measured At Fair Value On Nonrecurring Basis ContractualBalanceImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	18288000	usd
CY2021Q4	rnst	Contractual Balance Impaired Loans Measured At Fair Value On Nonrecurring Basis ContractualBalanceImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	12939000	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
CY2020	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	12057000	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
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	32600000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	8296000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	24304000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-219766000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-9116000	usd
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	42246000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	0	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	0	usd
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	11319000	usd
CY2022Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	18956000	usd
CY2021Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	3963000	usd
CY2020Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-638000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	8227000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	5290000	usd
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	5221000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-209037000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10443000	usd
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	25068000	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
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	83651000	usd
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
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56270566	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.13
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.49
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
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	83651000	usd
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
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56270566	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
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	197599	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
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56468165	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.95
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.12
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.48
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
CY2021Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	3104940000	usd
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	89830000	usd
CY2020Q1	rnst	Reserve Requirements With Federal Reserve ReserveRequirementsWithFederalReserve	0	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	36079000	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	8272000	usd
CY2022Q4	rnst	Federal Home Loan Bank Stock Required Investment Amount FederalHomeLoanBankStockRequiredInvestmentAmount	35417000	usd
CY2021Q4	rnst	Federal Home Loan Bank Stock Required Investment Amount FederalHomeLoanBankStockRequiredInvestmentAmount	5984000	usd
CY2022Q4	rnst	Regulatory Restrictionson Paymentof Dividends Excess Surplus Ratio RegulatoryRestrictionsonPaymentofDividendsExcessSurplusRatio	10
CY2022Q4	rnst	Amount Transferable Loans Maximum AmountTransferableLoansMaximum	178131000	usd
CY2022Q4	rnst	Line Of Credit Collateralized By Cash LineOfCreditCollateralizedByCash	3000000	usd
CY2022Q4	rnst	Inter Company Borrowed Funds InterCompanyBorrowedFunds	0	usd
CY2022Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05
CY2022Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Well Capitalized To Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.065
CY2022Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2022Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.10
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2022Q4	rnst	Common Equity Tier One Leverage Capital Required For Capital Adequacy To Average Assets CommonEquityTierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.045
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2022Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2022Q4	rnst	Tier One Leverage Capital Requiredtobe Undercapitalizedto Average Assets TierOneLeverageCapitalRequiredtobeUndercapitalizedtoAverageAssets	0.04
CY2022Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Undercapitalized To Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeUndercapitalizedToAverageAssets	0.045
CY2022Q4	rnst	Tier One Risk Based Capital Requiredtobe Undercapitalizedto Risk Weighted Assets TierOneRiskBasedCapitalRequiredtobeUndercapitalizedtoRiskWeightedAssets	0.06
CY2022Q4	rnst	Capital Requiredtobe Undercapitalizedto Risk Weighted Assets CapitalRequiredtobeUndercapitalizedtoRiskWeightedAssets	0.08
CY2022Q4	rnst	Tier One Leverage Capital Requiredtobe Significantly Undercapitalizedto Average Assets TierOneLeverageCapitalRequiredtobeSignificantlyUndercapitalizedtoAverageAssets	0.03
CY2022Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Significantly Undercapitalizedto Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeSignificantlyUndercapitalizedtoAverageAssets	0.03
CY2022Q4	rnst	Tier One Risk Based Capital Requiredtobe Significantly Undercapitalizedto Risk Weighted Assets TierOneRiskBasedCapitalRequiredtobeSignificantlyUndercapitalizedtoRiskWeightedAssets	0.04
CY2022Q4	rnst	Capital Requiredtobe Significantly Undercapitalizedto Risk Weighted Assets CapitalRequiredtobeSignificantlyUndercapitalizedtoRiskWeightedAssets	0.06
CY2022Q4	rnst	Tangible Capital Requiredtobe Critically Undercapitalizedto Total Assets TangibleCapitalRequiredtobeCriticallyUndercapitalizedtoTotalAssets	0.02
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	481298000	usd
CY2022	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	23788000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	149253000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	395455000	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 Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	-1668000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	226984000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	429826000	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
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	426797000	usd
CY2020	rnst	Financing Receivable Credit Loss Expense Reversals FinancingReceivableCreditLossExpenseReversals	86850000	usd
CY2020	us-gaap	Noninterest Income NoninterestIncome	235532000	usd
CY2020	us-gaap	Noninterest Expense NoninterestExpense	471988000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	103491000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19840000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	83651000	usd
CY2020Q4	us-gaap	Assets Assets	14929612000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	939683000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	44049000	usd
CY2021Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	24979000	usd
CY2022Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	37301000	usd
CY2021Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	19646000	usd
CY2022Q4	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	12875000	usd
CY2021Q4	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	8323000	usd
CY2022Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	6127000	usd
CY2021Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	2990000	usd
CY2022	us-gaap	Lease Income LeaseIncome	903000	usd
CY2021	us-gaap	Lease Income LeaseIncome	698000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	7847000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	8868000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	476000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	810000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	995000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	1254000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	8289000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	32225000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	44049000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	54930000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	63547000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	57369000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	67067000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	29000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	93000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	1056000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	1195000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	624000	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	658000	usd
CY2022	us-gaap	Lease Cost LeaseCost	8308000	usd
CY2021	us-gaap	Lease Cost LeaseCost	9498000	usd
CY2022	rnst	Operating Lease Payments Fixed OperatingLeasePaymentsFixed	9528000	usd
CY2021	rnst	Operating Lease Payments Fixed OperatingLeasePaymentsFixed	8666000	usd
CY2022	rnst	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	7789000	usd
CY2021	rnst	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	6640000	usd
CY2022	rnst	Operating Lease Weighted Average Remaining Lease Term Over The Period OperatingLeaseWeightedAverageRemainingLeaseTermOverThePeriod	P17Y11M15D
CY2021	rnst	Operating Lease Weighted Average Remaining Lease Term Over The Period OperatingLeaseWeightedAverageRemainingLeaseTermOverThePeriod	P17Y3M
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0302
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0301
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3475000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8142000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7342000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	6320000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5207000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4758000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4156000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	48292000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	76075000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	18706000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	57369000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	7623000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	8298000	usd
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	10044000	usd

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$RNST
Renasant Corp Stock $rnst

2023 Q1 Form 10-K Financial Statement

#000071507223000054 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RNST Renasant Corp Stock $rnst

2023 Q1 Form 10-K Financial Statement

#000071507223000054 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RNST
Renasant Corp Stock $rnst