Loans, net of unearned income Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Net cash received from sale of insurance agency Proceeds from Divestiture of Businesses Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Revision of Prior Period [Axis] Revision of Prior Period [Axis] Line of credit collateralized by cash Line of Credit, Collateralized by Cash Line of Credit, Collateralized by Cash Loan portfolio by risk-rating grades Loan Portfolio by Non Risk Rating Grades [Abstract] Loan Portfolio by Non Risk Rating Grades Schedule of Amortized Cost and Fair Value of Securities Available for Sale Debt Securities, Available-for-Sale [Table Text Block] Schedule of Short-term Borrowings Schedule of Short-Term Debt [Table Text Block] Other Collateral Other Collateral [Member] Other Collateral Difference Changes Measurement [Member] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Schedule of Future Estimated Benefit Payments Under the Defined Benefit Pension Plan and Post-retirement Health and Life Plan Schedule of Expected Benefit Payments [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Reclassification adjustment for losses realized in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Tabular List, Table Tabular List [Table Text Block] Total other comprehensive income (loss), tax expense (benefit) Other Comprehensive Income (Loss), Tax Equity income strategy (in percent) Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Risk Participation Agreement, Sold Risk Participation Agreement, Sold [Member] Risk Participation Agreement, Sold Total identifiable assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Interest income Interest and Fee Income, Loans and Leases [Abstract] Impact of Recently-Issued Accounting Standards and Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Assets and Liabilities Not Measured and Reported at Fair Value on a Recurring Basis or Nonrecurring Basis Fair Value, by Balance Sheet Grouping [Table Text Block] Federal funds purchased Federal Funds Purchased [Member] Goodwill [Line Items] Goodwill [Line Items] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Fair Value, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Subject to Credit Risk Assessment Subject to Credit Risk Assessment [Member] Subject to Credit Risk Assessment [Member] Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Held to Maturity Debt Securities, Held-to-Maturity, Maturity [Abstract] Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Purchase Price: Business Combination, Consideration Transferred [Abstract] Impairments Other Real Estate Impairments Other Real Estate Impairments Changes in fair value, gain (loss) Fair Value, Option, Changes in Fair Value, Gain (Loss) Schedule of Business Combination, Acquired Loan Portfolio Business Combination, Acquired Loan Portfolio [Table Text Block] Business Combination, Acquired Loan Portfolio Total Current Income Tax Expense (Benefit) Bank-owned life insurance Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Bank-owned Life Insurance Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Bank-owned Life Insurance Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension Benefits Renasant Pension Plan [Member] Financing receivable, modified, with subsequent deterioration Financing Receivable, Modified, With Subsequent Deterioration Financing Receivable, Modified, With Subsequent Deterioration Loans, including loans held for sale Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Loans Receivable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Loans Receivable Net increase in other assets (Decrease) increase in other assets Increase (Decrease) in Other Operating Assets Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Available credit Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available Derivative assets, notional amount Derivative Asset, Notional Amount Share-Based Payment Arrangement, Option Share-Based Payment Arrangement, Option [Member] Net actuarial gain arising during the period Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income, Net Actuarial (Gain) Loss Arising During Period, Before Tax Before tax amount of the (increase) decrease in the value of the projected benefit obligation and the increase (decrease) in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost. Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Loans, net Financing Receivable, after Allowance for Credit Loss Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cash paid for income taxes Income Taxes Paid Junior subordinated debt Deferred Tax Liabilities, Financing Arrangements Lease liabilities under operating leases Deferred Tax Assets, Leases Deferred Tax Assets, Leases Effective Income Tax Rate Reconciliation, Percent [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Health care cost trend rate Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Transfers of loans Other Real Estate Transfers of Loans Other real estate transfers of loans. Impairment losses on securities Asset Impairment Charges Cash dividends Dividends, Common Stock, Cash Total shareholders’ equity Beginning balance Ending balance Shareholders’ equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Estimated impact of a 200bp increase Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Discount Rate Schedule of bank premises and equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Prior service cost Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year OREO measured at fair value on a nonrecurring basis Other Real Estate, Non Covered [Roll Forward] Financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Common stock issued in public offering (in shares) Stock Issued During Period, Shares, New Issues Measurement Period Adjustments Measurement Period Adjustments [Member] Measurement Period Adjustments Other real estate owned Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Real Estate Owned Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Real Estate Owned Recurring Fair Value, Recurring [Member] Liabilities and shareholders’ equity Liabilities and shareholders’ equity Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] Cover page. Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum Maximum [Member] Transfers of loans to other real estate Real Estate Owned, Transfer to Real Estate Owned Long-term debt Long-Term Debt, Unclassified [Abstract] Due within one year Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, Year One Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, Year One Net Carrying Amount Finite-Lived Intangible Assets, Net Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position The First The First [Member] Brand Group Holdings, Inc. [Member] Due after ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Time- Based Restricted Stock Restricted Stock Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Dispositions Other Real Estate, Disposals Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Internal Investment Grade Internal Investment Grade [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Noninterest income - pro forma Business Acquisition, Pro Forma, Noninterest Income Business Acquisition, Pro Forma, Noninterest Income Other intangible assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles Wealth Management Wealth Management [Member] Wealth Management. Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Assets Other Assets [Member] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Financing receivable, modified, weighted average term increase from modification Financing Receivable, Modified, Weighted Average Term Increase from Modification Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Tier 1 Capital to Average Assets (Leverage) - Ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Securities Interest and Dividend Income, Securities, by Taxable Status [Abstract] Revolving Loans Converted to Term Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan U.S. State Income Tax Paid, State and Local, after Refund Received [Abstract] Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Deferred Stock Unit Plan Deferred Stock Unit Plan [Member] Deferred Stock Unit Plan [Member] Data and Key Economic Assumptions Related to Mortgage Servicing Rights [Abstract] Data and Key Economic Assumptions Related to Mortgage Servicing Rights [Abstract] Data and Key Economic Assumptions Related to Mortgage Servicing Rights Without single maturity date, fair value Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Realized (gains) losses included in net income, net of premium amortization Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings Securities Sold Under Agreements to Repurchase Securities Sold Under Agreements To Repurchase [Policy Text Block] Securities sold under agreements to repurchase. Amortization Amortization of Mortgage Servicing Rights (MSRs) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Unrealized holding losses on derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Net unrealized losses on securities Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Total interest expense Total interest expense Expenses Interest Expense, Operating Prior service cost Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Junior lien Junior Lien [Member] Average Balances Short-Term Debt, Average Outstanding Amount Brand Group Holdings Statutory Trust IV Brand Group Holdings Statutory Trust IV [Member] Brand Group Holdings Statutory Trust IV [Member] Schedule of Significant Unobservable Inputs (Level 3) Used in Valuation of Assets and Liabilities Measured at Fair Value on Non Recurring Basis Significant Unobservable Inputs Used In Valuation Of Assets And Liabilities Measured At Fair Value On Non Recurring Basis [Table Text Block] Significant unobservable inputs used in valuation of assets and liabilities measured at fair value on non recurring basis. Fixed rate Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Document Fiscal Period Focus Document Fiscal Period Focus Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Schedule of Differences Between Fair Value and Principal Balance for Mortgage Loans Held for Sale Measure at Fair Value Fair Value Option, Disclosures [Table Text Block] Award Timing Method Award Timing Method [Text Block] Furniture and equipment Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] 2028 Sales-Type and Direct Financing Leases, Payment to be Received, Year Three Hedging Relationship [Domain] Hedging Relationship [Domain] Renasant Corporation Parent Company [Member] Schedule of Pro Forma Combined Condensed Consolidated Financial Information Business Combination, Pro Forma Information [Table Text Block] Participating Mortgage Loans [Axis] Participating Mortgage Loans [Axis] Mortgage Banking [Abstract] Provision for credit losses on loans Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Including Unfunded Commitments Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Including Unfunded Commitments Impairment recognized Impairment recognized in results of operations Other Real Estate, Non Covered, Impairment Recognized Other Real Estate, Non Covered, Impairment Recognized Investment, Name [Domain] Investment, Name [Domain] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Tax-exempt Interest Income, Securities, Operating, Tax Exempt Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Issuance of common stock for stock-based compensation awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Lock in period for interest rates Lock In Period For Interest Rates Lock in period for interest rates. Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Securities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Securities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Securities Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Net increase (decrease) in short-term borrowings Proceeds from (Repayments of) Short-Term Debt Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Estimate of contractual cash flows not expected to be collected Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Contractual Cash Flow, Estimated Uncollectible Time deposits in denominations of $250 or more Time Deposits, at or Above FDIC Insurance Limit Residential land development Residential Land Development [Member] Residential land development. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Maturity term Financing Receivable, Maturity Term Financing Receivable, Maturity Term Business Combination, Consideration Transferred Total Purchase Price Business Combination, Consideration Transferred Collateral pledged Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Total Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Schedule of Gross Unrealized Losses and Fair Value of Held-to-Maturity Securities Debt Securities, Held-to-Maturity [Table Text Block] Financial collateral (cash) pledged Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Unrealized Losses, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Options outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Renasant Corporation (Parent Company Only) Condensed Financial Information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Gains (losses) on derivative financial instruments Derivative, Gain (Loss) on Derivative, Net 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year One Other assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Assets Real Estate - 1-4 Family Mortgage Real Estate One to Four Family Mortgage [Member] Real estate - 1-4 family mortgage. Total noninterest income Noninterest income Noninterest Income Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Schedule of Deposits Schedule Of Deposits [Table Text Block] Schedule of deposits. Securities held to maturity (net of allowance for credit losses of $32 at both December 31, 2025 and 2024) (fair value of $961,870 and $1,002,544, respectively) Held-to-maturity securities, net of allowance for credit losses Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Weighted-average assumptions as of December 31 Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Number of positions Debt Securities, Held for maturity, Unrealized Loss Position, Number Of Positions Debt Securities, Held for maturity, Unrealized Loss Position, Number Of Positions Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Fair value Other Real Estate Owned Non Covered Fair Value Other real estate owned non covered fair value. Noninterest expense Noninterest Expense [Abstract] Cash and due from banks Cash and Due from Banks Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Brand Group Holdings Statutory Trust III Brand Group Holdings Statutory Trust III [Member] Brand Group Holdings Statutory Trust III [Member] Company's deferred compensation plan expense Deferred Compensation Arrangement with Individual, Compensation Expense Accumulated depreciation Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Estimated Amortization Expense of Finite-lived Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Proceeds from equity offering Proceeds from Issuance or Sale of Equity Total Capital to Risk-Weighted Assets, Significantly undercapitalized Capital Required to be Significantly Undercapitalized to Risk Weighted Assets Capital Required to be Significantly Undercapitalized to Risk Weighted Assets Change in benefit obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Due after one year through five years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Commercial land development Commercial Land Development [Member] Commercial land development. Financing receivable, modified, weighted average interest rate decrease from modification Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification Summary of the changes in performance based stock Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Earnings per share - pro forma: Business Combination, Pro Forma Information [Abstract] Income taxes Total income tax expense Income tax benefit Income Tax Expense (Benefit) Spread (in bps) Spread (in bps) Debt Instrument, Basis Spread on Variable Rate Other assets Other assets Other Assets Deposits Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deposits Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deposits Thereafter Time Deposit Maturities, after Year Five Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Mortgage Servicing Rights Mortgage Servicing Rights [Policy Text Block] Mortgage servicing rights. Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Hedging Relationship [Axis] Hedging Relationship [Axis] Total derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Nondeductible transaction costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Transaction Costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Transaction Costs Gross Property, Plant and Equipment, Gross Due within one year Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Profit-sharing contribution Defined Contribution Plan, Employer Discretionary Contribution Amount Net investment in lease Net Investment in Lease, before Allowance for Credit Loss Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Schedule of Average Balances and Cost of Funds of Short-term Borrowings Average Balances And Cost Of Funds Of Short Term Borrowings [Table Text Block] Average balances and cost of funds of short term borrowings. U.S. Federal Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Redemption price percentage Debt Instrument, Redemption Price, Percentage Wealth management revenue Fees and Commissions, Fiduciary and Trust Activities1 Fees and Commissions, Fiduciary and Trust Activities1 Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Pension plan assets, investment in collective trust, percentage Defined Benefit Plan, Investment in Collective Trust, Percentage Defined Benefit Plan, Investment in Collective Trust, Percentage Unfunded commitment Unfunded Commitment Unfunded commitment. Premises and equipment, net Net Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Other adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other Noninterest Income, Other Operating Income Nonvested at beginning of year (shares) Nonvested at end of year (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Schedule of OREO Measured at Fair Value on a Nonrecurring Basis Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Table Text Block] Other real estate owned measured at fair value on nonrecurring basis. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Risk Participation Agreement, Purchased Risk Participation Agreement, Purchased [Member] Risk Participation Agreement, Purchased Company borrowings Inter Company Borrowed Funds Inter company borrowed funds. Unrecognized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Collateral and the allowance for credit losses Collateral Dependent Loans and Lease, Allowance for Credit Losses Collateral Dependent Loans and Lease, Allowance for Credit Losses Additions to goodwill from The First merger Goodwill, Period Increase (Decrease) Property taxes and insurance Real Estate Taxes and Insurance Proceeds from sales of securities available for sale Net Proceeds Proceeds from Sale of Debt Securities, Available-for-Sale Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share Financing receivable, credit quality risk rating grade Financing Receivable, Internal Risk-rating Grade Financing Receivable, Internal Risk-rating Grade Net interest income Net interest income Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Tier 1 Capital to Risk-Weighted Assets - Amount Banking Regulation, Tier 1 Risk-Based Capital, Actual Depreciation expense Depreciation Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Derivative liabilities, fair value Gross amounts recognized Derivative Liability, Subject to Master Netting Arrangement, before Offset Bank-owned life insurance Business Combination, Recognized Asset Acquired, Bank Owned Life Insurance Business Combination, Recognized Asset Acquired, Bank Owned Life Insurance Equity Components [Axis] Equity Components [Axis] Real Estate Properties [Line Items] Real Estate Properties [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] 2022 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Sublease income Sublease Income Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Participating Mortgage Loan, Name [Domain] Participating Mortgage Loan, Name [Domain] Number of reportable segments Number of Reportable Segments Employee Benefit and Deferred Compensation Plans Compensation and Employee Benefit Plans [Text Block] Interest income from subsidiaries Interest and Other Income Other Commercial real estate Commercial Real Estate [Member] Entity Address, State or Province Entity Address, State or Province Thereafter Sales-Type and Direct Financing Leases, Payment to be Received, after Year Five Total interest income Interest income Interest and Dividend Income, Operating Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Special mention Special Mention [Member] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] 2029 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Mortgage servicing rights, net Servicing Asset Individual: Individual [Axis] Employee deferrals amounts Defined Contribution Plan, Cost Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Schedule of Data and key Economic Assumptions Related to the Company's Mortgage Servicing Rights Schedule of Fair Value Assumption Related to Mortgage Servicing Rights [Table Text Block] Schedule of fair value assumption related to mortgage servicing rights. Document Annual Report Document Annual Report Fair value on the date of acquisition Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Amount At Purchase Price Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Amount At Purchase Price Beginning balance Ending balance Mortgage servicing rights Servicing Asset at Amortized Cost Cash and cash equivalents Defined Benefit Plan, Cash and Cash Equivalents [Member] Without single maturity date, amortized cost Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Repayment of long-term debt Repayments of long-term debt Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Investment Objective [Domain] Investment Objective [Domain] Fixed to Floating Transition Date, September 1, 2026 Fixed to Floating Transition Date, September 1, 2026 [Member] Fixed to Floating Transition Date, September 1, 2026 Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Total OREO Total OREO [Roll Forward] Total OREO [Abstract] Funded status at end of year Defined Benefit Plan, Funded (Unfunded) Status of Plan Net gains on OREO sales Gains (Losses) on Sales of Other Real Estate Revenue from Contracts with Customers Revenue from Contract with Customer [Policy Text Block] Total noninterest expense Noninterest Expense Weighted average useful life (in years) Finite-Lived Intangible Assets, Remaining Amortization Period Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Related cost Effective Income Tax Rate Reconciliation, Tax Credit, Related Cost, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Related Cost, Amount Payment Delay Payment Deferral [Member] Fair Value of Net Assets Acquired at Date of Acquisition The First, Fair Value [Member] The First, Fair Value Allowance for Credit Losses Allowance for Credit Losses [Text Block] Deposits Interest Expense, Deposits Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Noninterest income Noninterest Income [Abstract] First M&F Statutory Trust I First M&F Statutory Trust I [Member] First M&F Statutory Trust I [Member] Schedule of Related Party Loans Schedule of Finance Receivables Related Party [Table Text Block] Schedule of finance receivables related party. 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Unpaid principal balance Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Unpaid Principle Balance Value assumptions used to estimate fair value unpaid principle balance. Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Entity Central Index Key Entity Central Index Key Credit derivative, maximum potential amount of future payments Credit Derivative, Maximum Exposure, Undiscounted PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Supplemental disclosures Supplemental Cash Flow Elements [Abstract] Schedule of Loan Portfolio by Risk-rating Grades Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Funding of mortgage loans held for sale Payment for Origination, Loan, Mortgage, Held-for-Sale Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio Common Equity Tier One Risk Based Capital to Risk Weighted Assets Common Equity Tier One Risk Based Capital to Risk Weighted Assets Commercial loans Commercial Loans [Member] Commercial Loans Other comprehensive income, net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Noninterest-bearing Noninterest-bearing deposits Noninterest-Bearing Deposit Liabilities Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Dividends from subsidiaries Dividend Income, Operating Tier 1 Capital to Risk-Weighted Assets, Adequately capitalized Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid US federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Unfunded commitment Investment Tax Credit, Unfunded Commitment Investment Tax Credit, Unfunded Commitment Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Reclassification from AOCI, pre-tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Gross  Carrying Amount Finite-Lived Intangible Assets, Gross Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Loans Held for Sale Financing Receivable, Held-for-Sale [Policy Text Block] Accumulated Other Comprehensive Income (Loss) Total accumulated other comprehensive loss AOCI Attributable to Parent [Member] Investment Type Categorization [Domain] Investments [Domain] Revolving Loans Converted to Term Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Allowance for loan losses: Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Fair value of converted unvested restricted stock awards for pre-combination service Post-Acquisition Compensation Cost on Unvested Restricted Stock Awards Post-Acquisition Compensation Cost on Unvested Restricted Stock Awards Hours of service credited to the employees during the year Defined Contribution Plan Eligible Employee Number of Hours Minimum Defined contribution plan eligible employee number of hours minimum. Other Liabilities Other Liabilities [Member] Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Fair Value as of Grant Date Award Grant Date Fair Value Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Net Operating Losses Operating Loss Carryforwards 2021 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Schedule of Long-term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Salaries and employee benefits Labor and Related Expense Effect of dilutive stock-based compensation (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Tier 1 Capital to Average Assets (Leverage), Adequately capitalized Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Pretax gain Servicing Asset at Fair Value, Gain (Loss) on Disposal, before Tax Servicing Asset at Fair Value, Gain (Loss) on Disposal, before Tax Awarded (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Schedule of Maturities Time Deposits, Including Brokered Deposits Schedule Of Maturities Time Deposits [Table Text Block] Schedule of maturities time deposits. Forfeited and cancelled (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Fair Value, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Tier 1 Capital to Risk-Weighted Assets - Ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items] Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items] Other real estate owned measured at fair value on nonrecurring basis. Schedule of the Changes in Stock Options and Restricted Stock Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] Deposits Deposit Liabilities Disclosures [Text Block] BOLI income Income from bank-owned life insurance Bank Owned Life Insurance Income Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Unrealized Losses, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Gross gains on impairment of available-for-sale securities sold in January 2024, Recognized in 2023 Gross Gains on Impairment of Available-for-Sale Securities Sold in Current Year, Recognized in Prior Year Gross Gains on Impairment of Available-for-Sale Securities Sold in Current Year, Recognized in Prior Year Schedule of Lessor, Operating Lease, Payments to be Received, Maturity Sales-Type and Direct Financing Leases, Payment to be Received, Maturity [Table Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Residual value of leased asset Residual Value of Leased Asset Investments in collective trusts Investments in Commingled Trusts [Member] Investments in Commingled Trusts [Member] Condensed Financial Information Disclosure [Abstract] Condensed Financial Information Disclosure [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Common Equity Tier 1 to Risk-Weighted Assets, Significantly undercapitalized Common Equity Tier One Leverage Capital Required To Be Significantly Undercapitalized to Average Assets Common Equity Tier One Leverage Capital Required To Be Significantly Undercapitalized to Average Assets FMB Trust I FMB Trust I [Member] FMB Trust I Investment Type [Axis] Investment Type [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount 2028 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Fixed to Floating Transition Date, September 15, 2030 Fixed to Floating Transition Date, September 15, 2030 [Member] Fixed to Floating Transition Date, September 15, 2030 Regulatory restrictions on payments of dividends, excess surplus ratio Regulatory Restrictions on Payment of Dividends, Excess Surplus, Ratio Regulatory Restrictions on Payment of Dividends, Excess Surplus, Ratio Non-PEO NEO Non-PEO NEO [Member] Letters of credit outstanding Letters of Credit Outstanding, Amount Lease right-of-use asset Deferred Tax Liabilities, Leasing Arrangements Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Derivative liabilities, notional amount Derivative Liability, Notional Amount Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Schedule of Offsetting Assets Offsetting Assets [Table Text Block] Net gain (loss) arising during the period Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Award Type [Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Bank-Owned Life Insurance Bank Owned Life Insurance [Policy Text Block] Bank owned life insurance. Net increase in loans Payments for (Proceeds from) Loans Receivable Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Not Subject to Credit Risk Assessment Not Subject to Credit Risk Assessment [Member] Not Subject to Credit Risk Assessment [Member] Advertising and public relations Advertising Expense Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other income Other Income Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Aggregate Fair Value Fair Value Estimate of Fair Value Measurement [Member] Schedule of Other Real Estate Owned (OREO) Covered and Not Covered Under a Loss-Share Agreement, Net of Valuation Allowances and Direct Write-Downs Other Real Estate Owned [Table Text Block] Other Real Estate Owned. Retirement Plan Type [Domain] Retirement Plan Type [Domain] Performing Loans Performing Financial Instruments [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Net amounts Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Due after one year through five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Total Defined Benefit Plan, Expected Amortization, Next Fiscal Year Schedule of Amounts Recognized in Accumulated Other Comprehensive Income, Net of Tax Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] 2029 Time Deposit Maturities, Year Four Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Due after five years through ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Financial instruments - derivative assets available for offset Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Number of positions, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Carrying Value Debt Securities, Available for Sale, Securities Sold, at Carrying Value Debt Securities, Available for Sale, Securities Sold, at Carrying Value Accumulated other comprehensive loss, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] 2026 Long-Term Debt, Maturity, Year One Financial Instruments [Domain] Financial Instruments [Domain] Total securities available for sale OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Community Banks Community Banks [Member] Community Banks. Due after ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Total deferred tax liabilities Deferred Tax Liabilities, Gross OREO Other Real Estate Owned Measured at Fair Value on Non Recurring Basis Other real estate owned measured at fair value on non recurring basis. 2030 Long-Term Debt, Maturity, Year Five Performance- Based Restricted Stock Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Amounts reclassified into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Estimated impact of a 10% increase Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Prepayment Speed Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] 2029 Sales-Type and Direct Financing Leases, Payment to be Received, Year Four Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Minimum Minimum Minimum [Member] Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Amortized cost of loans in foreclosure Other Real Estate, Amortized Cost of Loans in Foreclosure Other Real Estate, Amortized Cost of Loans in Foreclosure Sale of the insurance agency Goodwill Goodwill, Measurement Period Adjustment Rental income Other Real Estate Owned Rental Income Other real estate owned rental income. Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Net income - pro forma Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Gain on sale of mortgage servicing rights Gain (Loss) on Sale of Investments Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Impairment of assets Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Total other comprehensive income (loss), pre-tax Other Comprehensive Income (Loss), before Tax Net income applicable to common stock Net Income (Loss) Available to Common Stockholders, Diluted Collateral [Domain] Collateral Held [Domain] Goodwill [Roll Forward] Goodwill [Roll Forward] Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk Commitments and Contingencies Disclosure [Text Block] Number of conventional deferred compensation plans Deferred Compensation Arrangement with Individual, Number of Plans Deferred Compensation Arrangement with Individual, Number of Plans Number of locations acquired Business Combination, Number of Locations Acquired Business Combination, Number of Locations Acquired Average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Cost of Funds Short-Term Debt, Weighted Average Interest Rate, at Point in Time Other liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liabilities Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Number of points for eligibility (points) Health Care Benefits Eligible Employee Number of Points Minimum Health care benefits eligible employee number of points minimum. Home equity Home Equity Loan [Member] Proceeds from surrender of bank-owned life insurance Proceeds from Life Insurance Policy Short-term borrowings Business Combination, Recognized Liability Assumed, Long-Term Debt, Current Entity Small Business Entity Small Business Voting interest acquired (percent) Business Combination, Voting Equity Interest Acquired, Percentage Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding State Current State and Local Tax Expense (Benefit) Long-Term Debt Long-Term Debt [Text Block] Document Transition Report Document Transition Report Customer relationship intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived, Customer Relationship Intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived, Customer Relationship Intangible Due after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Other [Member] Other Long-term debt Long-Term Debt [Member] Underlying Securities Award Underlying Securities Amount Bank Servicing Bank Servicing [Member] Other comprehensive income gain (loss), before reclassifications, pre-tax Other Comprehensive Income (Loss), before Reclassifications, before Tax Gross gains on sales of securities available for sale Debt Securities, Available-for-Sale, Realized Gain Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Income Taxes Income Tax Disclosure [Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Weighted-average remaining maturity (in years) Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Weighted Average Remaining Maturity Servicing assets and servicing liabilities at fair value assumptions used to estimate fair value weighted average remaining maturity. Schedule of Unfunded Loan Commitments, Allowance for Credit Losses Off-Balance Sheet, Credit Loss, Liability, Allowance for Credit Losses [Table Text Block] Off-Balance Sheet, Credit Loss, Liability, Allowance for Credit Losses Short-term lease cost Short-Term Lease, Cost The First Trust II The First Trust II [Member] The First Trust II Critically undercapitalized Tangible Capital Required to be Critically Undercapitalized to Total Assets Tangible Capital Required to be Critically Undercapitalized to Total Assets Net change in operating leases Increase (Decrease) in Operating Lease Liability Document Type Document Type Significant Unobservable Inputs (Level 3) Level 3 Fair Value, Inputs, Level 3 [Member] Net Income Per Common Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Weighted-average coupon interest rate Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Weighted Average Coupon Interest Rate Servicing assets and servicing liabilities at fair value assumptions used to estimate fair value weighted average coupon interest rate. Variable lease cost (cost excluded from lease payments) Variable Lease, Cost Revenue Revenue from Contract with Customer, Excluding Assessed Tax Tax credit carry forward period Tax Credit Carry Forward Period Tax Credit Carry Forward Period FHLB required investment amount Federal Home Loan Bank Stock, Required Investment Amount Federal Home Loan Bank Stock, Required Investment Amount Classified Classified [Member] Classified Statistical Measurement [Axis] Statistical Measurement [Axis] Loans Deferred Tax Assets Purchase Accounting Adjustments Deferred tax assets purchase accounting adjustments. 2024 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Transportation equipment Vehicles [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income applicable to common stock Net Income (Loss) Available to Common Stockholders, Basic Proportional amortization Effective Income Tax Rate Reconciliation, Tax Credit, Proportional Amortization, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Proportional Amortization, Amount Collateralized mortgage obligations Government Agency Collateralized Mortgage Obligations [Member] Government agency collateralized mortgage obligations. Schedule of Gains (Losses) on Derivative Financial Instruments Included in the Consolidated Statements of Income Derivative Instruments, Gain (Loss) [Table Text Block] Transferrable energy tax credits, net of cost Effective Income Tax Rate Reconciliation, Tax Credit, Energy-Related, Amount Purchase price per share Business Combination, Price Per Share Quoted Prices In Active Markets for Identical Assets (Level 1) Level 1 Fair Value, Inputs, Level 1 [Member] Amounts outstanding under lines of credit Long-Term Line of Credit Other Other Real Estate [Member] Other Real Estate Lease right-of-use assets Operating Lease, Right Of Use Asset, Before Accumulated Amortization Operating Lease, Right Of Use Asset, Before Accumulated Amortization Diluted earnings per share (usd per share) Net income per common share - diluted (usd per share) Earnings Per Share, Diluted Amount on deposits Related Party Deposit Liabilities Multi family Multifamily [Member] Due after five years through ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Schedule of Realized Gain (Loss) Schedule of Realized Gain (Loss) [Table Text Block] Commercial and industrial Commercial Loan [Member] Treasury stock (in shares) Treasury Stock, Common, Shares Bank-owned life insurance Effective Income Tax Rate Reconciliation, Nontaxable, Life Insurance, Percent Effective Income Tax Rate Reconciliation, Nontaxable, Life Insurance, Percent U.S. State Income Tax Paid, State and Local, after Refund Received Consolidation Items [Domain] Consolidation Items [Domain] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Number of positions, Less than 12 Months Debt Securities, Held for maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number Of Positions Debt Securities, Held for maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number Of Positions Auditor Location Auditor Location Subordinated borrowing, interest rate Subordinated Borrowing, Interest Rate Core deposit intangible Core Deposits Core Deposits [Member] Additions Servicing Asset at Fair Value, Additions Term Extension Extended Maturity [Member] Commercial real estate - non-owner occupied Lease Financing [Member] Lease Financing [Member] Actuarial loss (gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Federal Domestic Tax Jurisdiction [Member] Plan participants’ contributions Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Amortization of unrealized holding losses on securities transferred to held to maturity category, tax expense (benefit) Amortization of Unrealized Holding Losses on Securities Transferred to Held to Maturity Category, Tax Amortization of Unrealized Holding Losses on Securities Transferred to Held to Maturity Category, Tax Cash settlement for stock options Cash settlement for stock options, net of tax benefit Payments to Acquire Businesses, Settlement for Stock Options Payments to Acquire Businesses, Settlement for Stock Options Discount on cash flows Lessee, Operating Lease, Liability, Undiscounted Excess Amount Limited Partnerships Limited Partnerships [Member] Limited Partnerships Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Total income taxes paid Total income taxes paid Income Taxes Paid, Net 2026 Time Deposit Maturities, Year One Fees and commissions Fees and Commissions1 Fees and Commissions1 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Consumer Consumer [Member] Consumer Carrying Value Debt outstanding Long-Term Debt, Gross Other real estate owned Business Combination, Recognized Asset Acquired, Other Real Estate Owned Business Combination, Recognized Asset Acquired, Other Real Estate Owned Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Premises and Equipment Property, Plant and Equipment Disclosure [Text Block] Total undiscounted cash flows Lessee, Operating Lease, Liability, to be Paid Unrealized holding gains on securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Renasant Bank Subsidiaries [Member] Schedule of Guidelines Governing the Classification of Capital Tiers Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Loans held for investment, net of unearned income Total Loans Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Schedule of Fair Value, Off-balance Sheet Risks [Table] Fair Value, off-Balance-Sheet Risk [Table] Number of days past due for discontinued recognition of interest on mortgage and commercial loans Number of Days Past Due for Discontinued Recognition of Interest on Mortgage and Commercial Loans Number of days past due for discontinued recognition of interest on mortgage and commercial loans. First lien First lien [Member] First lien Schedule of Gross Unrealized Losses and Fair Value of Available-for-Sale Securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Net investment in lease, noncurrent Net Investment in Lease, before Allowance for Credit Loss, Noncurrent Net (decrease) increase in other liabilities (Decrease) increase in other liabilities Increase (Decrease) in Other Operating Liabilities Audit Information [Abstract] Audit Information 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Total Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization 401(k) Plan 401(k) Plan [Member] 401(k) Plan [Member] Income Net Income (Loss) Attributable to Parent [Abstract] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Construction and land development Construction and land development Construction Loans [Member] Mortgage banking income Fees and Commissions, Mortgage Banking1 Fees and Commissions, Mortgage Banking1 Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Collateral Held [Axis] Collateral Held [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Amortization of net actuarial (loss) gain recognized in net periodic pension cost Defined Benefit Plan, Amounts Recognized In Other Comprehensive Income, Amortization of Net Actuarial Loss, Before Tax Before tax amount of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost. Due within one year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Incentive compensation plan expense Incentive Compensation Plan Expense Incentive compensation plan expense. US federal statutory income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount (Gains) losses on sales of premises and equipment Gain (Loss) on Disposition of Property Plant Equipment Financial Instrument [Axis] Financial Instrument [Axis] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Statement of Financial Position [Abstract] Summary of Financial Statement Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Tax-exempt interest income Effective Income Tax Rate Reconciliation, Nondeductible Expense, Tax Exempt Interest Income, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Tax Exempt Interest Income, Amount Unrealized Losses, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss State and local income taxes, net of federal income tax effects Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Investment tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount Current Fiscal Year End Date Current Fiscal Year End Date Unrealized Losses, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Total deposits Deposits Amortization of unrealized holding losses on securities transferred to held to maturity category, net of tax Amortization of Unrealized Holding Losses on Securities Transferred to Held to Maturity Category, Net of Tax Amortization of Unrealized Holding Losses on Securities Transferred to Held to Maturity Category, 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Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Allowance Commercial Real Estate Portfolio Segment [Member] Unamortized purchase accounting discounts, net of premiums Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Net cash used in investing activities Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Gain on sale of insurance agency Gain on sale of insurance agency Gain (Loss) on Disposition of Business Cash paid for interest Interest Paid, Excluding Capitalized Interest, 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Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Real Estate [Abstract] Real Estate [Abstract] Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity [Abstract] Equity [Abstract] Equity [Abstract] Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Premises Building [Member] Intangible assets, including goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Including Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Including Goodwill Net losses on sales of securities Losses on sales of securities Debt and Equity Securities, Gain (Loss) Derivative Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Provision for (reversal of) credit losses on unfunded commitments Provision for (Reversal of) Credit Losses on Unfunded Commitments Provision for (Reversal of) Credit Losses on Unfunded Commitments Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Number of renewal options (1 or more) Lessee, Operating Lease, Number of Renewal Options Lessee, Operating Lease, Number of Renewal Options Sale of MSRs Servicing Asset at Fair Value, Disposals Fair value of plan assets at beginning of year Fair value of plan assets at end of year Fair value Defined Benefit Plan, Plan Assets, Amount Federal Current Federal Tax Expense (Benefit) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Data processing Information Technology and Data Processing Amortization of investment Investment Tax Credit, Amortization Investment Tax Credit, Amortization Available for Sale: Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Schedule of Plan Expense for Noncontributory Benefit Pension Plan and Post-retirement Health and Life Plans Schedule of Net Benefit Costs [Table Text Block] Other debt securities Other debt securities Other Debt Obligations [Member] Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Risk Participation Agreement Risk Participation Agreement [Member] Risk Participation Agreement Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Unamortized net deferred (fees) costs Financing Receivable, Unamortized Loan Cost (Fee) Intangible amortization Amortization of Intangible Assets Mortgage loans held for sale in loans held for sale Mortgage loans held for sale measured at fair value Loan, Mortgage, Held-for-Sale, Fair Value Disclosure Measurement input, price volatility Measurement Input, Price Volatility [Member] Repurchase of shares in connection with stock repurchase program Stock Repurchased During Period, Value Schedule of Accumulated Balances for Each Component of Other Comprehensive Income (Loss), Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Non-Performing Loans Nonperforming Financial Instruments [Member] Depreciation, amortization and accretion Depreciation, Depletion and Amortization Amortization of unrealized holding losses on securities transferred to the held to maturity category Accumulated Net Investment Gain (Loss), Amortization of Unrealized Holding Gains Transferred to Held to Maturity Attributable to Parent [Member] Accumulated Net Investment Gain (Loss), Amortization of Unrealized Holding Gains Transferred to Held to Maturity Attributable to Parent [Member] Residential mortgage-backed securities: Residential Mortgage-Backed Securities [Member] Arrangement Duration Trading Arrangement Duration Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Computer equipment Computer Equipment [Member] Available for Sale: Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position [Abstract] Segments [Axis] Segments [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other, net Payment for (Proceeds from) Other Investing Activity Net investment in lease, current Net Investment in Lease, before Allowance for Credit Loss, Current Thereafter Long-Term Debt, Maturity, after Year Five Other intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Beginning balance Ending balance Off-Balance-Sheet, Credit Loss, Liability Service charges on deposit accounts Fees and Commissions, Depositor Accounts1 Fees and Commissions, Depositor Accounts1 Assets Assets Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Loans at December 31, 2024 Loans at December 31, 2025 Loans and Leases Receivable, Related Parties Principal Amount Debt Instrument, Annual Principal Payment Forfeited and cancelled (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Gain on debt extinguishment Realized gain (loss) Gain (Loss) on Extinguishment of Debt Shareholders’ equity Equity, Attributable to Parent [Abstract] Payments received Loans and Leases Receivable, Related Parties, Proceeds Related Party Loans Loans and Leases Receivable, Related Parties [Roll Forward] Schedule of Impact of Modifications Classified as Restructured Loans Financing Receivable, Modified [Table Text Block] Proceeds from redemption of FHLB stock Proceeds from Sale of Federal Home Loan Bank Stock Gain on debt extinguishment Gain (Loss) on Debt Redemption Gain (Loss) on Debt Redemption Investment, Name [Axis] Investment, Name [Axis] Due after five years through ten years Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 5 through 10 Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 5 through 10 Entity Voluntary Filers Entity Voluntary Filers Financing receivable, excluding accrued interest, modification period Financing Receivable, Excluding Accrued Interest, Modification Period Financing Receivable, Excluding Accrued Interest, Modification Period Derivative assets, fair value Gross amounts recognized Derivative Asset, Subject to Master Netting Arrangement, before Offset Converted (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Converted, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Converted, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Unused commitments Financing Receivable, Modified, Commitment to Lend Amortization/depreciation Depreciation, Amortization and Accretion, Net Debt Securities, Available-for-Sale Debt Securities, Available-for-Sale [Member] Debt Securities, Available-for-Sale Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Total Capital to Risk-Weighted Assets, Well capitalized Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Changes in OREO covered and not covered under a loss-share agreement Other Real Estate [Roll Forward] Regulated Operations [Abstract] Regulated Operations [Abstract] Operating lease - operating cash flows (fixed payments) Operating Lease, Payments, Fixed Operating Lease, Payments, Fixed Other states State and Local Tax Jurisdiction, Other [Member] Total financial assets Assets, Fair Value Disclosure Provision for credit losses Provision for Loan, Lease, and Other Losses Number of positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Revision of Prior Period [Domain] Revision of Prior Period [Domain] 2020 Long-Term Incentive Compensation Plan 2020 Long-Term Incentive Compensation Plan [Member] 2020 Long-Term Incentive Compensation Plan Eligible employee from service (in years) Health Care Benefits Eligible Employee Years of Service Minimum Health care benefits eligible employee years of service minimum. Schedule of Debentures Schedule of Debt [Table Text Block] Awarded (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Interest cost Interest cost Defined Benefit Plan, Interest Cost Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Net amounts Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction Fair Value, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Schedule of Finite-lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Issuance of common stock for stock-based compensation awards Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Loans and the Allowance for Credit Losses Financing Receivable, Held-for-Investment [Policy Text Block] Changes in mortgage servicing rights Changes in Mortgage Servicing Rights [Roll Forward] Changes in mortgage servicing rights. Total recognized in other comprehensive income Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax Reclassification from AOCI, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Common Equity Tier 1 to Risk-Weighted Assets, Adequately capitalized Common Equity Tier One Leverage Capital Required For Capital Adequacy To Average Assets Common Equity Tier One Leverage Capital Required For Capital Adequacy To Average Assets Name Trading Arrangement, Individual Name Schedule of Short-term Debt [Table] Short-Term Debt [Table] Diluted (usd per share) Business Combination, Pro Forma Information, Pro Forma Earnings Per Share, Diluted Repurchase amount Debt Instrument, Repurchase Amount Net increase in deposits Net Change Noninterest-Bearing Deposits, Domestic Carrying Value Initial principal Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Common stock issued in acquisition of businesses Value of stock paid Business Combination, Consideration Transferred, Equity Interest Banking and Thrift, Interest [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Nonvested at beginning of year (usd per share) Nonvested at ending of year (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversals) Financing Receivable, Credit Loss, Expense (Reversals) ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Actuarial loss (gain) Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Employee deferrals (in percent) Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Common Equity Tier 1 to Risk-Weighted Assets, Undercapitalized Common Equity Tier One Leverage Capital Required To Be Undercapitalized To Average Assets Common Equity Tier One Leverage Capital Required To Be Undercapitalized To Average Assets Business Combinations, Accounting for Purchased Credit Deteriorated Loans and Related Assets Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] Equity in undistributed net income of subsidiaries Equity in Undistributed Earnings Equity in undistributed earnings of bank subsidiary. Schedule of Statements of Income Condensed Income Statement [Table Text Block] Other comprehensive income gain (loss) before reclassifications, tax expense (benefit) Other Comprehensive Income (Loss) before Reclassifications, Tax Liability Class [Axis] Liability Class [Axis] Auditor Firm ID Auditor Firm ID Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, State and Local Segments [Domain] Segments [Domain] Loans Deferred Tax Liabilities, Loans Deferred Tax Liabilities, Loans Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Short-term borrowings Short-Term Debt [Member] Deferred tax assets Deferred Tax Assets, Tax Deferred Expense [Abstract] Cash and Cash Equivalent [Table] Cash and Cash Equivalent [Table] Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] 30-89 Days Past Due Financing Receivables, 30 to 89 Days Past Due [Member] Financing Receivables, 30 to 89 Days Past Due [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Accumulated benefit obligation Benefit obligation at beginning of year Benefit obligation at end of year Defined Benefit Plan, Benefit Obligation Regulatory capital, transitional period to phase out capital benefit by two-year delay Regulatory Capital, Transitional Period to Phase Out Capital Benefit by Two-Year Delay Regulatory Capital, Transitional Period to Phase Out Capital Benefit by Two-Year Delay Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Schedule of Components of OREO in the Consolidated Statements of Income Components of Other Real Estate Owned in Consolidated Statements of Income [Table Text Block] Components of other real estate owned in the consolidated statements of income. Offsetting Derivative Assets Derivative Asset [Abstract] Securities available for sale: Unrealized losses on securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Financial collateral (cash) pledged Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Interest expense Interest Expense, Operating and Nonoperating [Abstract] Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Other Real Estate Owned Real Estate Owned [Text Block] Bank-owned life insurance Effective Income Tax Rate Reconciliation, Nontaxable, Life Insurance, Amount Effective Income Tax Rate Reconciliation, Nontaxable, Life Insurance, Amount Gross amounts offset in the consolidated balance sheets Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Converted (shares) Share-Based Compensation Arrangement by Share-Based Payment Converted, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Converted, Equity Instruments Other than Options, Grants in Period Purchases of securities available for sale Payments to Acquire Debt Securities, Available-for-Sale Preferred stock, $0.01 par value – 5,000,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Estimated costs that will be amortized from accumulated other comprehensive income into net periodic cost Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract] Obligations of states and political subdivisions Obligations of states and political subdivisions US States and Political Subdivisions Debt Securities [Member] Total subordinated debt Subordinated Debt 2024 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Fair value adjustment Long Term Debt, Fair Value Adjustment Long Term Debt, Fair Value Adjustment Total liabilities Business Combination, Recognized Liability Assumed, Liability Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Subordinated notes Subordinated notes Subordinated Debt [Member] All Executive Categories All Executive Categories [Member] Schedule of Significant Components of the Company's Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common stock, $5.00 par value – 250,000,000 and 150,000,000 shares authorized, respectively; 97,722,397 and 66,484,225.00 shares issued, respectively; 94,636,207 and 63,565,690 shares outstanding, respectively Common Stock, Value, Issued Loans Interest and Fee Income, Loans and Leases Reserve requirements with federal reserve Reserve Requirements With Federal Reserve Reserve requirements with federal reserve. Change in unrealized gain (loss) on fair value hedging instruments Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments 2025 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Weighted-average servicing fee (basis points) Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Weighted Average Servicing Fee Servicing assets and servicing liabilities at fair value assumptions used to estimate fair value weighted average servicing fee. Net cash received in acquisition of businesses Net cash paid in acquisition Cash Acquired from Acquisition Common Collective Trust Common Collective Trust [Member] Core deposit intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Measured at net asset value per share (“NAV”) Fair Value Measured at Net Asset Value Per Share [Member] Business Combination [Axis] Business Combination [Axis] Interest Income Interest Income [Member] Short-term Debt [Line Items] Short-Term Debt [Line Items] Net deferred tax assets Deferred Tax Assets, Net Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Due after ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Common Equity Tier 1 to Risk-Weighted Assets, Well capitalized Common Equity Tier One Leverage Capital Required To Be Well Capitalized To Average Assets Common Equity Tier One Leverage Capital To Average Assets Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge Interest Rate Reduction and Payment Delay Interest Rate Reduction and Payment Delay [Member] Interest Rate Reduction and Payment Delay Diluted Earnings Per Share, Diluted [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Other Other dividends Other Interest and Dividend Income Schedule of Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits, Excluding Interest Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Allowance for credit losses - held to maturity securities Allowance for credit losses - held to maturity securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss Amortization of investment in low-income housing tax credits Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits Income tax reconciliation amortization of investment in low income housing tax credits. Total defined benefit pension and post-retirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Construction and land development Construction And Land Development [Member] Construction And Land Development Derivative Contract [Domain] Derivative Contract [Domain] Fixed-to-Floating due May 1, 2033 Fixed to Floating due May 1, 2033 [Member] Fixed to Floating due May 1, 2033 Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] 2030 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Impairments Other Real Estate Owned Impairments Other real estate owned impairments. Proceeds from sales of other assets Proceeds from Sale of Other Assets, Investing Activities Debentures details Debt Instruments [Abstract] Gross losses on sales of securities available for sale Debt Securities, Available-for-Sale, Realized Loss Fixed-to-Floating due October 1, 2030 Fixed-to-Floating due October 1, 2030 [Member] Fixed-to-Floating due October 1, 2030 Other Real Estate Owned Other Real Estate Owned Policy Text Block [Policy Text Block] Other real estate owned. All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Residential Residential real estate Residential Real Estate [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Option expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Operating lease - operating cash flows (liability reduction) Operating Lease, Payments, Liability Reduction Operating Lease, Payments, Liability Reduction Non-PCD loans: Business Combination, Acquired Receivable, Purchased without Credit Deterioration [Abstract] Business Combination, Acquired Receivable, Purchased without Credit Deterioration Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase [Member] Interest Rate Reduction and Term Extension Interest Rate Reduction and Term Extension [Member] Interest Rate Reduction and Term Extension 2021 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Schedule of Derivative Financial Instruments Schedule of Derivative Instruments [Table Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Unrealized Losses Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss PHC Statutory Trust II Phc Statutory Trust Two [Member] PHC Statutory Trust Two. Offsetting Derivative Liabilities Derivative Liability [Abstract] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Tax credits Deferred Tax Assets, Tax Credit Carryforwards Leases Lessor, Operating Leases [Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Provision for credit losses on loans Provision for (reversal of) credit losses on loans Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Assets and liabilities not measured and reported at fair value on a recurring basis or nonrecurring basis Fair Value Balance Sheet Grouping Financial Statement Captions [Abstract] Fair value balance sheet grouping financial statement captions. Investment Objective [Axis] Investment Objective [Axis] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Stock-based compensation expense APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Accruing Loans Accruing Loans [Member] Accruing loans. Mortgage servicing rights Deferred Tax Liabilities, Mortgage Servicing Rights Schedule of Antidilutive Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Unused tax credit Tax Credit Carryforward, Amount 2023 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Tier 1 Capital to Risk-Weighted Assets, Undercapitalized Tier One Risk Based Capital Required to be Undercapitalized to Risk Weighted Assets Tier One Risk Based Capital Required to be Undercapitalized to Risk Weighted Assets Transferrable energy tax credits, net of cost Effective Income Tax Rate Reconciliation, Tax Credit, Energy-Related, Percent Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Table] Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Table] Other real estate owned measured at fair value on nonrecurring basis. Award Timing Disclosures [Line Items] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Service cost Service cost Defined Benefit Plan, Service Cost Pension plan assets managed by park place capital (in percent) Defined Benefit Plan, Assets Managed by Subsidiary, Percent Defined Benefit Plan, Assets Managed by Subsidiary, Percent Measurement Frequency [Domain] Measurement Frequency [Domain] Commercial and industrial Commercial and Industrial [Member] Commercial and Industrial Federal Home Loan Bank short-term advances Federal Home Loan Bank advances Federal Home Loan Bank Advances [Member] Fair values of financial assets and liabilities measured on a recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Renewal term Lessee, Operating Lease, Renewal Term Other comprehensive income gain (loss), before reclassifications, net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Commercial Residential Mortgage Commercial real estate - owner occupied Commercial Residential Mortgage [Member] Commercial Residential Mortgage [Member] State Deferred State and Local Income Tax Expense (Benefit) Retiring age limit, maximum Health Care Benefits Eligible Employee Retirement Age from Service Maximum Health care benefits eligible employee retirement age from service maximum. Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Loans, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Proceeds from sales of mortgage loans held for sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Net income (loss) Net income Net Income (Loss) Attributable to Parent Total Capital to Risk-Weighted Assets - Ratio Banking Regulation, Total Risk-Based Capital Ratio, Actual Gains on sales of mortgage loans held for sale Gain (Loss) on Sale of Mortgage Loans Schedule of Reconciliation of Income Taxes Computed at the United States Federal Statutory Tax Rates Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Other adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Term Extension and Payment Delay Term Extension and Payment Delay [Member] Term Extension and Payment Delay Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Repurchase of shares in connection with stock repurchase program Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Borrowings Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Borrowings Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Borrowings Collateral dependent loans Fair Value Impaired Loans Measured at Fair Value on Nonrecurring Basis Impaired loans measured at fair value on nonrecurring basis. Insurance Insurance [Member] Insurance. Customer relationship intangible Customer Relationships [Member] Schedule of Offsetting Liabilities Offsetting Liabilities [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Information Relating to the Defined Benefit Pension Plan and Post-Retirement Health and Life Plans Schedule of Net Funded Status [Table Text Block] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Transferrable tax credit Effective Income Tax Rate Reconciliation, Tax Credit, Transferrable, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Transferrable, Amount Discount rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Number of positions, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Derivative instruments: Unrealized gains on derivative instruments Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Other Deferred Tax Liabilities, Other Other Other Non Owner Occupied [Member] Other Non Owner Occupied Retirement Plan Type [Axis] Retirement Plan Type [Axis] Statement [Table] Statement [Table] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Securities Business Combination, Recognized Asset Acquired, Investment in Debt and Equity Securities, Current Schedule of Allocation of Purchase Price to Assets and Liabilities Acquired Business Combination [Table Text Block] Deferred income tax (benefit) Total Deferred Income Tax Expense (Benefit) Reductions due to lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Brand Group Holdings Statutory Trust I Brand Group Holdings Statutory Trust I [Member] Brand Group Holdings Statutory Trust I [Member] Financing activities Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net assets acquired over liabilities assumed Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Valuation allowance Tax Credit Carryforward, Valuation Allowance Interest Rate Reduction Contractual Interest Rate Reduction [Member] Amendment Flag Amendment Flag Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Common shares reserved for authorized under employee benefit plans (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Compensation expense Deferred Compensation Arrangement with Individual, Allocated Share-Based Compensation Expense Other Benefits Other Postretirement Benefits Plan [Member] Schedule of Fair Values of Defined Benefit Pension Plan Assets by Category of the Firm Schedule of Allocation of Plan Assets [Table Text Block] Transfers and Servicing [Abstract] Transfers and Servicing [Abstract] Treasury stock, at cost, 3,086,190 and 2,918,535 shares, respectively Treasury Stock, Common, Value 2026 Sales-Type and Direct Financing Leases, Payment to be Received, Year One Gross contractual amounts receivable Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount Termination Date Trading Arrangement Termination Date Interest-bearing balances with banks Interest-Bearing Deposits in Banks and Other Financial Institutions Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] 2028 Time Deposit Maturities, Year Three Amortization of unrealized holding losses on securities transferred to the held to maturity category Amortization of Unrealized Holding Gains on Securities Transferred to Held to Maturity Category Amortization of unrealized holding gains on securities transferred to the held to maturity category. 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Weighted average discount rate - operating leases (at period end) Operating Lease, Weighted Average Discount Rate, Percent Interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Basic and Diluted Net Income Per Common share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Repairs and maintenance Cost of Property Repairs and Maintenance Segment Reporting [Abstract] Segment Reporting [Abstract] Securities available for sale: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Liberty Trust II Liberty Trust II [Member] Liberty Trust II Rental expense Operating Lease, Expense Other real estate owned Total Foreclosed Real Estate Expense, Net Foreclosed Real Estate Expense, Net Interest-bearing demand deposits Demand Deposit Accounts Debt Disclosure [Abstract] Debt Disclosure [Abstract] Defined 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Receivable, Purchased with Credit Deterioration, Non-Credit Discount Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Additions based on positions related to current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Unfunded loan commitments Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Benefits recognized from investment tax credits Investment Tax Credit, Benefits Recognized Investment Tax Credit, Benefits Recognized Net identifiable assets acquired over liabilities assumed Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net Identifiable 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Recognized Liability Assumed, Long-Term Debt, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Schedule of Capital and Risk-based Capital and Leverage Ratios Capital Requirements on Foreign Financial Institutions [Table Text Block] Due after ten years Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 10 Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 10 Deferred tax liabilities Components of Deferred Tax Liabilities [Abstract] Proceeds from call/maturities of securities held to maturity Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Securities available for sale, at fair value (amortized cost of $2,635,495 and $968,927, respectively) Fair Value Fair Value Securities available for sale Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Brand Group Holdings, Inc. Brand Group Holdings, Inc. [Member] Brand Group Holdings, Inc. [Member] Non-NEOs Non-NEOs [Member] Corporate stocks Corporate Debt Securities [Member] Net identifiable assets acquired over liabilities assumed Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Net of Cash Settlement for Stock Options Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Net of Cash Settlement for Stock Options FHLB Advances FHLB Advances [Member] FHLB Advances