Business Acquisition [Axis] Business Acquisition [Axis] Restricted Stock Units Restricted Stock Units [Abstract] Restricted Stock Units Vested (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other than Options Exercisable Weighted Average Grant Date Fair Value This element represents share based compensation arrangement by share based payment award equity instruments other than options exercisable weighted average grant date fair value. Long-term debt, gross Long-Term Debt, Gross Schedule of AFS debt securities in an unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Mortgage banking - loan commitment Mortgage Banking Loan Commitment [Member] Represents information of mortgage banking - loan commitment. Fair Value, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value HTM, Amortized Cost, Not due at single maturity Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, without Single Maturity Date Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding Total capital Banking Regulation, Total Capital, Actual Debt Instrument [Axis] Debt Instrument [Axis] Cash dividends on common stock Payments of Ordinary Dividends, Common Stock Effect of hedging relationships on interest expense: Summary of Derivative Instruments Impact on Results of Operations [Abstract] Community First Capital Trust II Community First Capital Trust Two [Member] Community First Capital Trust Two AFS, Fair Value, More than 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Capital surplus Additional Paid in Capital Total loans sold Financing Receivable, Sale and Reclassification to Held-for-Sale Fair Value Measurement [Domain] Fair Value Measurement [Domain] Financial Instruments [Domain] Financial Instruments [Domain] Basis spread on variable rate (spread) Debt Instrument, Basis Spread on Variable Rate Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Released / Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Goodwill and other intangible assets Intangible Assets, Net (Including Goodwill) [Abstract] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Interest Rate (percent) Debt Instrument, Interest Rate, Stated Percentage Fair value hedge of brokered time deposits Brokered Certificate Of Deposit [Member] Represents the brokered certificate of deposits. Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Impact of acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions AFS, Fair Value, Within 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Preferred stock dividends Dividends, Preferred Stock Measurement Input Type [Domain] Measurement Input Type [Domain] Potentially dilutive instruments outstanding not included in EPS analysis (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Realized (gains) losses included in net income, Net of Tax Amount Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Equity Component [Domain] Equity Component [Domain] Nonrecurring Fair Value, Nonrecurring [Member] Discount rate Measurement Input, Discount Rate [Member] Interest expense Interest Expense [Member] Economic hedge, not designated as hedging instrument Not Designated as Hedging Instrument, Economic Hedge [Member] Investment securities, including tax exempt of $2,539, $2,255, $5,194 and $4,405, respectively Interest and Dividend Income, Securities, Operating Total capital, Minimum Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Hedging Designation [Domain] Hedging Designation [Domain] Originated five or more years prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Cancelled (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Schedule of nonaccrual loans by loan class Financing Receivable, Nonaccrual [Table Text Block] Liabilities assumed Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Four Oaks Statutory Trust I Four Oaks Statutory Trust I [Member] Represents information about Four Oaks Statutory Trust I. Entity Address, State or Province Entity Address, State or Province Transfers from Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Pledged Status [Axis] Pledged Status [Axis] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Outstanding, Weighted Average Remaining Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term AFS, Amortized Cost, Within 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Servicing rights for SBA/USDA loans Servicing Asset at Fair Value, Amount Award Type [Axis] Award Type [Axis] Net activity, Net of Tax Amount Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Adjustment, After Tax Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Adjustment, After Tax Mortgage loans held for sale Fair value Mortgages Held-for-sale, Fair Value Disclosure Entity Listings [Line Items] Entity Listings [Line Items] AFS, Fair Value, 5 to 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Schedule of contractual amount of off-balance sheet instruments Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] 2025 Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three Less allowance for credit losses - loans and leases Less allowance for credit losses - loans ACL - loans, Beginning Balance ACL - loans, Ending Balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Loans held for investment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Premises and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Originated three years prior Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Commitments to extend credit Commitments to Extend Credit [Member] Mortgage banking - forward sales commitment Mortgage Banking Forward Sales Commitment [Member] Represents mortgage banking - forward sales commitment. Assets acquired Noncash or Part Noncash Acquisition, Value of Assets Acquired Total liabilities Liabilities Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] HTM, Amortized Cost, 1 to 5 years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Schedule of reclassifications out of AOCI Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Aggregate Intrinsic Value, Released / Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Total deposits Deposits Deposits Realized gains (losses) on AFS securities: AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Document Type Document Type Options, Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] SOFR Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Long-term Debt Long-Term Debt [Text Block] Securities gains (losses), net Securities gains (losses), net Debt Securities, Available-for-Sale, Realized Gain (Loss) Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Assets: Assets, Fair Value Disclosure [Abstract] Debt Securities, Available For Sale And Held To Maturity [Line Items] Debt Securities, Available For Sale And Held To Maturity [Line Items] Debt Securities, Available For Sale And Held To Maturity [Line Items] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Net increase in deposits Increase (Decrease) in Deposits Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Deferred income tax expense Deferred Income Tax Expense (Benefit) Estimated loss rate Measurement Input, Estimated Loss Rate [Member] Measurement Input, Estimated Loss Rate Loans Past Due, over 90 Days Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Residential MBS, Agency & GSEs Residential Mortgage-Backed Securities, Issued By US Government Sponsored Enterprises [Member] Debt securities collateralized by residential real estate mortgage loans (mortgages), issued by US Government Sponsored Enterprises, such as Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac). Acquisitions: Noncash or Part Noncash Acquisitions [Abstract] Noncash or Part Noncash Acquisitions Unrealized holding gains (losses) on derivatives, Before-tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Fair value adjustments included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Reclassification of unrealized losses, Tax (Expense) Benefit Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, Tax Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, Tax Sales and settlements Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Credit Loss Status [Axis] Credit Loss Status [Axis] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Commitment for additional fund Commitment For Additional Fund Represents commitment for additional fund, not reflected on consolidated balance sheet. Debt Disclosure [Abstract] Debt Disclosure [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Unrealized holding losses, Before-tax Amount OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Total other comprehensive income (loss), Tax (Expense) Benefit Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Merger-related costs Acquisition-related Costs [Member] Intangible asset acquired Finite-Lived Intangible Assets Acquired Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Minimum future lease payments expected to be received Sales-Type and Direct Financing Leases, Lease Receivable, Payments to be Received, Fiscal Year Maturity [Abstract] Schedule of balance and activity in the ACL by portfolio segment Financing Receivable, Allowance for Credit Loss [Table Text Block] Less: Cash collateral received/pledged Derivative Liability, Fair Value of Collateral Shareholders' equity: Stockholders' Equity Attributable to Parent [Abstract] ACL - loans, Charge-Offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Schedule of HTM debt securities in an unrealized loss position Unrealized Gain Loss On Held To Maturity Securities [Table Text Block] Unrealized gain loss on held to maturity securities. Issue Date Debt Instrument Issue Year This element represents debt instrument issue year. Salaries and employee benefits expense Salaries And Employee Benefit Expense [Member] Salaries And Employee Benefit Expense Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract] Unrealized holding losses, Tax (Expense) Benefit OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Residential MBS Residential Mortgage-Backed Securities [Member] Initial direct costs Sales Type And Direct Financing Leases, Initial Direct Costs Sales Type And Direct Financing Leases, Initial Direct Costs Recognition period for unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Unrealized Loss, Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Exercisable, Weighted Average Remaining Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Net activity, Tax (Expense) Benefit Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Adjustment, Tax Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Adjustment, Tax Schedule of carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis Fair Value, by Balance Sheet Grouping [Table Text Block] Cash Payments to Acquire Businesses, Gross Equity investments, outflows Payments to Acquire Other Investments Derivative Contract [Domain] Derivative Contract [Domain] Entity Registrant Name Entity Registrant Name HELOC Home Equity Line of Credit [Member] Loans and leases, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Fair value adjustments included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Long-term debt Long-term debt interest expense Interest Expense, Long-Term Debt AFS, Fair Value, Not due at single maturity Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Asset Class [Domain] Asset Class [Domain] Minimum Minimum [Member] Entity Emerging Growth Company Entity Emerging Growth Company Occupancy Occupancy, Net Purchased loans Financial Asset Acquired with Credit Deterioration [Member] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Unrealized holding gains (losses) on derivatives, Net of Tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Total ACL, Charge-Offs Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Writeoff Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Writeoff Assets and Liabilities Measured at Fair Value Fair Value Disclosures [Text Block] Number of HTM debt securities in unrealized loss position Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Summary of AFS debt securities in an unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Trading Symbol Trading Symbol Entity File Number Entity File Number 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Title of Individual [Axis] Title of Individual [Axis] Entity Listings [Table] Entity Listings [Table] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Residential mortgage servicing rights Residential Mortgage Servicing Rights [Member] Residential Mortgage Servicing Rights [Member] Bifurcated embedded derivatives and dealer offsets Bifurcated Embedded Derivatives And Dealer Offsets [Member] Bifurcated embedded derivatives and dealer offsets. Derivatives not designated as hedging instruments Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Acquisitions Business Combination Disclosure [Text Block] ACL - loans, (Release) Provision Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Prime Rate Prime Rate [Member] Advertising and public relations Marketing and Advertising Expense Cash flow hedge of trust preferred securities Trust Preferred Securities Hedge [Member] Trust Preferred Securities Hedge Revolvers converted to term loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Supplemental consolidated pro forma net income (loss) Business Acquisition, Pro Forma Net Income (Loss) Derivative Liability Derivative Liability [Abstract] Aggregate Intrinsic Value, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Outstanding principal balance Mortgage Loans Held For Sale Outstanding Principal Balance Represents mortgage loans held for sale quantified by principal amount, the principle balance held at close of period. Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Basic (in dollars per share) Earnings Per Share, Basic Losses on derivative instruments realized in net income, Tax (Expense) Benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Par value Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value Net cash flow hedge activity, Before-tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Total capital, Well-Capitalized Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Deferred compensation plan liability Deferred Compensation Liability, Current and Noncurrent Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Derivative Instruments [Line Items] Derivative Instruments, Gain (Loss) [Line Items] HTM Held-to-Maturity Securities [Member] Entity Interactive Data Current Entity Interactive Data Current Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Comprehensive income (loss), Tax (Expense) Benefit Comprehensive Income Loss Tax Represents amount of comprehensive income loss tax. Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] AFS Available-for-Sale Securities [Member] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Total other comprehensive income (loss), Net of Tax Amount Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Receivable Type [Axis] Receivable Type [Axis] PCD loans: Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price [Abstract] Impact of equity-based compensation awards Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Repurchase of common stock Payments for Repurchase of Common Stock Class of Stock [Axis] Class of Stock [Axis] Repayment of long-term debt Repayments of Other Long-Term Debt Reclassifications Out of AOCI Disclosure of Reclassification Amount [Text Block] Document Quarterly Report Document Quarterly Report Net income (expense) recognized Gain (Loss) on Derivative Instruments, Net, Pretax Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Credit Loss Status [Domain] Credit Loss Status [Domain] Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Scenario [Domain] Scenario [Domain] Recurring Fair Value, Recurring [Member] Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Mortgage Loans Held for Sale Mortgage Loans Held For Sale [Abstract] Mortgage Loans Held For Sale TDRs Modified Within the Previous Twelve Months That Have Subsequently Defaulted, Number of Contracts Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts Fair Value, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Realized (gains) losses included in net income, Tax (Expense) Benefit Income tax expense (benefit) attributable to sales Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Document Fiscal Year Focus Document Fiscal Year Focus Schedule of estimated aggregate amortization expense for future periods Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Derivative liabilities Derivative Liabilities Derivative Financial Instruments, Liabilities [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Accounting Standards Updates and Recently Adopted Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Equity investments, inflows Proceeds From Other Investments Proceeds From Other Investments Debt Security Category [Domain] Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] AFS, Amortized Cost, More than 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Schedule of amortized cost of loans by risk category by vintage year Financing Receivable Credit Quality Indicators [Table Text Block] Security deposits Sales Type And Direct Financing Leases, Security Deposits Sales Type And Direct Financing Leases, Security Deposits Originated in prior year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Comprehensive income (loss), Before-tax Amount Comprehensive Income Loss Before Tax Represents amount of comprehensive income (loss) before tax. Cash flow hedge of subordinated debt Interest Rate Contract. Subordinated Debt [Member] Interest Rate Contract. Subordinated Debt Schedule of restricted stock units and options outstanding and activity Share-Based Payment Arrangement, Activity [Table Text Block] Impact of other United sponsored equity plans (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan, Employee Benefit Plans, And Deferred Compensation Stock Issued During Period, Shares, Dividend Reinvestment Plan, Employee Benefit Plans, And Deferred Compensation Common stock outstanding (in shares) Common Stock, Shares, Outstanding Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Tier 1 capital, Minimum Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum United Community Banks Inc, Holding Company United Community Banks Inc, Holding Company [Member] United Community Banks Inc, Holding Company Equipment financing Equipment financing receivables Equipment Financing [Member] Represents information related to equipment financing. Income tax expense Net income, Tax (Expense) Benefit Income tax benefit Income Tax Expense (Benefit) 2029 subordinated debentures Two Thousand Twenty Nine Subordinated Debentures [Member] Two Thousand Twenty Nine Subordinated Debentures Hedging Relationship [Axis] Hedging Relationship [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Nonaccrual loans with no allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Derivative financial instruments Derivative Liability Total gross derivative instruments Derivative Liability, Subject to Master Netting Arrangement, before Offset AFS, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Corporate bonds, measurement input Debt Securities, Available-for-Sale, Measurement Input Common stock, $1 par value: 200,000,000 shares authorized, 106,033,960 and 89,349,826 shares issued and outstanding, respectively Common Stock, Value, Issued Amortization of unrealized losses, Before-tax amount OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), before Tax Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Post-Modification Amortized Cost by Type of Modification Financing Receivable, Troubled Debt Restructuring, Postmodification Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Preferred Stock Preferred Stock [Member] Senior debentures Senior Notes [Member] Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Debt securities held-to-maturity: Debt Securities Held To Maturity [Abstract] Debt Securities Held To Maturity [Abstract] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Options converted Business Combination, Consideration Transferred, Converted Stock Options Business Combination, Consideration Transferred, Converted Stock Options Loans held for sale Increase (Decrease) in Loans Held-for-sale Gross contractual amounts receivable Business Combination, Acquired Receivables, Gross Contractual Amount Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances CET1 capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual Reclassifications out of AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Income Statement Location [Domain] Income Statement Location [Domain] Derivative Asset Derivative Asset [Abstract] Number of AFS debt securities in unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Fair Value, Total Debt Securities, Available-for-Sale, Unrealized Loss Position Amendment Flag Amendment Flag Fair value hedging Fair Value Hedging [Member] Net amount Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Unrealized gains (losses) on available-for-sale securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Acquisitions Goodwill, Acquired During Period Supplemental consolidated pro forma revenue Business Acquisition, Pro Forma Revenue Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Reclassification of unrealized losses, Before-tax Amount Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, Before Tax Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, Before Tax Customer derivatives and dealer offsets Customer Derivatives And Dealer Offsets [Member] Information of Customer Derivatives And Dealer Offsets. Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Originated four years prior Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year HTM, Fair Value, Within 1 year Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Dividends on preferred stock Preferred Stock Dividends, Income Statement Impact Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Remainder of 2022 Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Remainder of Fiscal Year Proceeds from maturities and calls Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Schedule of AFS securities sales activity Schedule of Realized Gain (Loss) [Table Text Block] Debt securities available-for-sale Fair Value Fair Value Debt Securities, Available-for-Sale, Excluding Accrued Interest Estimate of contractual cash flows not expected to be collected Business Combination, Acquired Receivables, Estimated Uncollectible Reclassification of securities from available-for-sale to held-to-maturity, Net of Tax Amount Other​ Comprehensive​ Income​ (Loss), ​Reclassification ​Adjustment, ​Available For Sale To Held To Maturity, After Tax Other​ Comprehensive​ Income​ (Loss), ​Reclassification ​Adjustment, ​Available For Sale To Held To Maturity, After Tax Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Restricted stock units and performance stock units Restricted Stock Units RSU And Performance Stock Units [Member] Restricted Stock Units RSU And Performance Stock Units Core deposit intangible Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Goodwill and other intangible assets, net Total goodwill and other intangible assets, net Intangible Assets, Net (Including Goodwill) Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Salaries and employee benefits Salaries and employee benefits expense Labor and Related Expense Stock options Share-Based Payment Arrangement, Option [Member] Derivatives designated as hedging instruments Derivative Instruments in Hedges, Assets, at Fair Value Total ACL, Beginning Balance Total ACL, Ending Balance Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest And Off-Balance Sheet Credit Loss Liability Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest And Off-Balance Sheet Credit Loss Liability Net unrealized (gains) losses, Net of Tax Amount OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Nonaccrual loans Nonaccrual Status [Abstract] Common stock authorized (in shares) Common Stock, Shares Authorized Loans held for sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Loans Held For Sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Loans Held For Sale Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Commercial Commercial Portfolio Segment [Member] Maximum Maximum [Member] ACL at acquisition ACL- loans, Initial ACL - PCD loans Financing Receivable, Excluding Accrued Interest, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date TDRs Modified Within the Previous Twelve Months That Have Subsequently Defaulted, Amortized Cost Financing Receivable, Troubled Debt Restructuring, Subsequent Default Residential mortgage Residential Mortgage [Member] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of gains and losses recognized in income on derivatives not designated as hedging instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Purchases of common stock Stock Repurchased and Retired During Period, Value Schedule of components of net investment in leases Schedule Of Components Of Net Investment In Lease, Sales Type And Direct Financing Leases [Table Text Block] Schedule Of Components Of Net Investment In Lease, Sales Type And Direct Financing Leases [Table Text Block] Designated as hedging instrument Designated as Hedging Instrument [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Cash and cash equivalents Cash, Cash Equivalents, and Federal Funds Sold Cash flow hedge Interest Rate Cash Flow Hedge Liability at Fair Value Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Measurement Frequency [Domain] Measurement Frequency [Domain] Purchases Payments to Acquire Debt Securities, Available-for-Sale Net activity, Before-tax Amount Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Adjustment, Before Tax Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Adjustment, Before Tax Unrealized Loss, Total Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss Supplemental schedule of noncash investing and financing activities Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] AFS, Amortized Cost, Not due at single maturity Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Income tax benefit related to expense for share-based awards Share-Based Payment Arrangement, Expense, Tax Benefit Purchases of common stock (in shares) Stock Repurchased and Retired During Period, Shares Title of 12(b) Security Title of 12(b) Security Community First Capital Trust III Community First Capital Trust Three [Member] Community First Capital Trust Three Total ACL, Recoveries Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Recovery Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Recovery Unrealized Loss, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Lending and loan servicing fees Other Lending And Loan Servicing Fees Other Lending And Loan Servicing Fees Tier 1 capital Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Allowance for credit losses, AFS portfolio Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Schedule of carrying amount of goodwill and other intangible assets Schedule of Intangible Assets and Goodwill [Table Text Block] Debt Security Category [Axis] Debt Security Category [Axis] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Unrealized Loss, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Deposits: Deposits [Abstract] ACL Financing Receivable, Allowance for Credit Loss [Roll Forward] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Fair Value Estimate of Fair Value Measurement [Member] U.S. Treasuries US Treasury Securities [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Weighted average common shares outstanding: Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] AFS, Fair Value Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Less net discount Debt Instrument, Unamortized Discount Loans and leases, net Loans Receivable, Fair Value Disclosure Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Substandard Substandard [Member] Debt securities held-to-maturity (fair value $2,431,138 and $1,148,804, respectively) Amortized Cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Mortgage loan gains and other related fees Mortgage Banking [Member] Commercial & industrial Commercial And Industrial Classification [Member] Commercial And Industrial Classification[Member] TDRs Financing Receivable, Troubled Debt Restructuring Net amount Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Notional Amount Derivative, Notional Amount Short-term borrowings Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Short Term Borrowings Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Short Term Borrowings Amortization of unrealized losses, , Net of Tax Amount OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), after Tax Sales and settlements Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales And Settlements Amount of sale and settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Finite-Lived Intangible Asset, Expected Amortization, After Year Four Less: Amounts subject to master netting agreements Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Fair value adjustments included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Derivative instruments designated as cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Schedule of reconciliation of assets measured at fair value on a recurring basis using significant unobservable inputs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Leverage ratio, Minimum Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] HTM debt securities Fair Value Fair value Debt Securities, Held-to-Maturity, Fair Value Net interest revenue Interest Income (Expense), Net AFS, Amortized Cost, 5 to 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Postage, printing and supplies Supplies and Postage Expense Noninterest income: Noninterest Income [Abstract] Goodwill [Roll Forward] Goodwill [Roll Forward] Accrued interest receivable Accrued interest receivable Interest Receivable Restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Organization, Consolidation and Presentation of Financial Statements [Abstract] Guaranteed portion of SBA/USDA loans SBA USDA Guaranteed Loans [Member] SBA USDA Guaranteed Loans [Member] Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Level 2 Fair Value, Inputs, Level 2 [Member] Goodwill expected to be tax deductible Business Acquisition, Goodwill, Expected Tax Deductible Amount Current Fiscal Year End Date Current Fiscal Year End Date Tier 1 capital, Well-Capitalized Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Assets: Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Residential Residential Portfolio Segment [Member] Schedule of major classifications of loan portfolio Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Stated Maturity Date Debt Instruments Maturity Year This element represents debt instruments maturity year. Plan exercisable period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Schedule of fair value of derivative financial instruments on consolidated balance sheet Schedule of Derivative Instruments [Table Text Block] Assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Provision for (release of) credit losses Total ACL, (Release) Provision Provision for Loan, Lease, and Other Losses Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Loans receivable Loans Receivable [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Owner occupied commercial real estate Owner Occupied Commercial Real Estate [Member] Represents information of owner occupied commercial real estate. Unrealized holding losses, Net of Tax Amount OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Equity [Abstract] Equity [Abstract] Released / Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Other investing inflows Proceeds From Other Investing Activities Proceeds From Other Investing Activities Common stock issuable (in shares) Common Stock Issuable, Shares Represents number of shares of common stock issuable. Entity Tax Identification Number Entity Tax Identification Number Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Impact of other United sponsored equity plans Stock Issued During Period, Value, Dividend Reinvestment Plan, Employee Benefit Plans, And Deferred Compensation Stock Issued During Period, Value, Dividend Reinvestment Plan, Employee Benefit Plans, And Deferred Compensation Transfers of loans to repossessed and foreclosed properties Real Estate Owned, Transfer to Real Estate Owned Consolidated Entities [Domain] Consolidated Entities [Domain] Pass Pass [Member] Financial instruments whose contract amounts represent credit risk: Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Entity Central Index Key Entity Central Index Key Estimated Aggregate Amortization Expense For Future Periods Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Tidelands Statutory Trust I Tidelands Statutory Trust One [Member] Represents information of Tidelands statutory trust one. Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Number of Contracts Financing Receivable, Modifications, Number of Contracts Total fair value of consideration transferred Business Combination, Consideration Transferred Measurement Input Type [Axis] Measurement Input Type [Axis] Risk-weighted assets Banking Regulation, Risk-Weighted Assets, Actual Entity [Domain] Entity [Domain] City Area Code City Area Code ASSETS Assets [Abstract] Classifications of loans Financing Receivable, after Allowance for Credit Loss [Abstract] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Net assets acquired Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Noninterest-bearing demand Noninterest-Bearing Deposit Liabilities Interest expense: Interest Expense [Abstract] Asset Class [Axis] Asset Class [Axis] 2028 subordinated debentures Two Thousand Twenty Eight Subordinated Debentures [Member] Represents information of 2028 subordinated debentures. Significant non-cash investing and financing transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Stock based compensation Share-Based Payment Arrangement, Noncash Expense Average total assets for the leverage ratio Regulatory Asset Preferred stock liquidation preference (in dollars per share) Preferred Stock, Liquidation Preference, Value Variable Rate [Axis] Variable Rate [Axis] Total noninterest expenses Noninterest Expense ACL - unfunded commitments, Beginning Balance ACL - unfunded commitments, Ending Balance Off-Balance-Sheet, Credit Loss, Liability Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Weighted Average Weighted Average [Member] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Schedule of computation of basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Consumer Consumer Portfolio Segment [Member] Gross realized losses Debt Securities, Available-for-Sale, Realized Loss Right-of-use assets obtained in exchange for lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Maximum remaining maturity of financial instruments having no defined maturity Maximum Remaining Maturity Of Financial Instruments Having No Defined Maturity Maximum remaining maturity of financial instruments having no defined maturity. Net Investment in Leases Net Investment in Lease, before Allowance for Credit Loss [Abstract] Schedule of loans held for investment sold Schedule Of Financing Receivables Sold, Loans [Table Text Block] Schedule Of Financing Receivables Sold, Loans Loans held for sale Financing Receivable, Held-for-Sale AFS, Amortized Cost, 1 to 5 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Unsettled government guaranteed loan sales Unsettled Government Guaranteed Loan Sales Represents unsettled government guaranteed loan sale. Total ACL, Initial ACL - PCD loans Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Purchased With Credit Deterioration, Increase Financing Receivable Allowance For Credit Loss And Off-Balance Sheet Credit Loss Liability, Purchased With Credit Deterioration, Increase Entity Address, Postal Zip Code Entity Address, Postal Zip Code Stock Options Stock Options [Abstract] Stock Options Proceeds from sale of other real estate and repossessed assets Proceeds from Sale of Other Real Estate Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Reclassification of securities from available-for-sale to held-to-maturity, Tax (Expense) Benefit Other​ Comprehensive​ Income​ (Loss), ​Reclassification ​Adjustment, ​Available For Sale To Held To Maturity, Tax Other​ Comprehensive​ Income​ (Loss), ​Reclassification ​Adjustment, ​Available For Sale To Held To Maturity, Tax Fair Value, Total Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value Residential MBS, Non-agency Residential Mortgage-Backed Securities, Issued By Private Enterprises [Member] Debt securities collateralized by residential real estate mortgage loans (mortgages), issued by non-governmental sponsored enterprises. Receivable [Domain] Receivable [Domain] Net (increase) decrease in loans Payments for (Proceeds from) Loans and Leases FDIC assessments and other regulatory charges Federal Deposit Insurance Corporation Premium Expense Deferred compensation plan assets Deferred Compensation Plan Assets Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Fair value hedge Fair Value Hedge Liabilities Pledged securities Asset Pledged as Collateral [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Depositary shares, each representing 1/1000th interest in a share of Series I Non-Cumulative Preferred Stock Depositary Share On UCBI Series I Non-Cumulative Preferred Stock [Member] Depositary Share On UCBI Series I Non-Cumulative Preferred Stock Deposits Interest Expense, Deposits Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Deposits in banks and short-term investments Federal Funds Sold Commercial Paper and Deposits In Banks Represents amount of federal funds sold, commercial paper and deposits in banks. Bifurcated embedded derivatives Bifurcated Embedded Derivative [Member] Represents the bifurcated embedded derivatives. Net income Net income Net Income (Loss) Attributable to Parent Less: Cash collateral received/pledged Derivative Asset, Fair Value of Collateral 2030 senior debentures Two Thousand Thirty Senior Debentures [Member] Two Thousand Thirty Senior Debentures Scenario [Axis] Scenario [Axis] Total assets Assets, Fair Value Disclosure Customer derivative positions Customer Swap Position [Member] Represents the customer swap positions. Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Number of derivative contracts Number of Interest Rate Derivatives Held State and political subdivisions US States and Political Subdivisions Debt Securities [Member] Amortization of defined benefit pension plan net periodic pension cost components, Before-tax Amount Other Comprehensive Income Loss Amortization Of Prior Service Cost And Actuarial Losses Included In Net Periodic Pension Cost For Defined Benefit Pension Plan Before Tax Amount Represents amount of other comprehensive income (loss) amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, before tax amount. Reclassification of unrealized losses, Net of Tax Amount Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Tax Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity, After Tax Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Other Noninterest Income, Other Operating Income Derivative Instrument [Axis] Derivative Instrument [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Level 1 Fair Value, Inputs, Level 1 [Member] Originated two years prior Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Fair value hedge Fair Value Hedge Assets Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Employees Employee [Member] Employee Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Tier 1 capital Banking Regulation, Tier 1 Risk-Based Capital, Actual Derivative financial instruments Derivative Asset Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Schedule of amortized cost basis, unrealized gains and losses, and fair value of AFS debt securities Debt Securities, Available-for-Sale [Table Text Block] Actual revenue included since acquisition date Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Commercial MBS, Agency & GSEs Commercial Mortgage-Backed Securities, Issued By US Government Sponsored Enterprises [Member] Debt securities collateralized by commercial real estate mortgage loans (mortgages), issued by US Government Sponsored Enterprises, such as Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac). Gains to be reclassified from accumulated other comprehensive income into earnings over the next twelve months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net AFS, Fair Value, 1 to 5 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Purchases Payments to Acquire Held-to-Maturity Securities Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Receivables [Abstract] Receivables [Abstract] Total noninterest income Noninterest Income Liability Class [Axis] Liability Class [Axis] Legal Entity [Axis] Legal Entity [Axis] Loans and Leases and Allowance for Credit Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] United Community Bank Subsidiaries [Member] Losses on derivative instruments realized in net income, Before-tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Summary of HTM debt securities in an unrealized loss position Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Wealth management fees Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions Bank owned life insurance Bank Owned Life Insurance Preferred stock issued (in shares) Preferred Stock, Shares Issued Residential mortgage servicing rights Residential Mortgage Servicing Asset At Fair Value, Amount Residential Mortgage Servicing Asset At Fair Value, Amount Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Other Other Type Of Modification [Member] Represents type of modification other not defined elsewhere. Unrealized Loss, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Fair value Business Combination, Acquired Receivable, Fair Value Dealer offsets to bifurcated embedded derivatives Dealer Offsets To Bifurcated Embedded Derivatives [Member] Represents the dealer offsets to bifurcated embedded derivatives. Investment in limited partnerships Investment In Limited Partnerships Represents investment in limited partnerships. Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Manufactured housing Manufactured Housing Loan [Member] Manufactured Housing Loan Common stock issued (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Financial Instrument [Axis] Financial Instrument [Axis] Transfers of AFS securities to HTM securities Transfers of AFS debt securities to HTM Debt Securities, Held-To-Maturity, Excluding Accrued Interest, Transferred From Available-For-Sale, Fair Value Debt Securities, Held-To-Maturity, Excluding Accrued Interest, Transferred From Available-For-Sale, Fair Value Document Period End Date Document Period End Date Nonaccrual Loans Nonaccrual loans Financing Receivable, Excluding Accrued Interest, Nonaccrual Total assets Assets Assets Schedule of amortized cost basis, unrealized gains and losses and fair value of HTM debt securities Debt Securities, Held-to-Maturity [Table Text Block] Net income per common share: Earnings Per Share [Abstract] Mortgage banking derivatives Mortgage Banking Derivatives [Member] Information of Mortgage banking derivatives. Net unrealized (gains) losses, Tax (Expense) Benefit OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Equity securities with readily available fair values Equity Securities, FV-NI, Current Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Interest rate swaps Interest Rate Swap [Member] Released / Exercised (in dollars per shares) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Long-term debt Long-Term Debt, Fair Value Accrued interest receivable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Accrued Interest Receivables Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Accrued Interest Receivables Asset-backed securities Asset-Backed Securities [Member] Total loans Financing Receivable, before Allowance for Credit Loss Income before income taxes Net income, Before-tax Amount Total before tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Cash dividends on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Earnings Per Share Earnings Per Share [Text Block] Schedule of actual results and pro forma information Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block] Derivatives designated as hedging instruments Derivative Instruments in Hedges, Liabilities, at Fair Value Derivative assets Derivative Financial Instruments, Assets [Member] Award Type [Domain] Award Type [Domain] Schedule of effect of derivatives in hedging relationships on the consolidated statement of income Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Troubled Debt Restructuring [Line Items] Derivative assets - customer derivative positions Derivative Assets Customer Derivative Positions [Member] Derivative Assets Customer Derivative Positions Estimated residual value of leased equipment Sales Type And Direct Financing Leases, Unguaranteed Residual Asset Sales Type And Direct Financing Leases, Unguaranteed Residual Asset HTM, Amortized Cost, More than 10 years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Mortgage loan gains and other related fees Fair Value, Option, Changes in Fair Value, Gain (Loss) Allowance for credit losses, HTM portfolio Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Customer relationship intangible Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town Pledging Purpose [Axis] Pledging Purpose [Axis] Earliest Call Date Debt Instrument Earliest Call Year This element represents debt instrument earliest call year. Interest revenue: Interest and Dividend Income, Operating [Abstract] Losses on derivative instruments accounted for as cash flow hedges: Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Troubled Debt Restructuring [Table] Schedule of additional information related to acquired loan portfolio Additional Information Related To Acquired Loan [Table Text Block] Tabular disclosure of the amounts recognized as additional information related to the acquired loan. Noninterest expenses: Operating Expenses [Abstract] Debt securities available-for-sale: Debt Securities Available-For-Sale And Equity Securities [Abstract] Debt Securities Available-For-Sale And Equity Securities [Abstract] SBA/USDA loan servicing rights SBA Servicing Rights [Member] Represents SBA servicing rights. Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Reclassification of securities from available-for-sale to held-to-maturity, Before-tax Amount Other​ Comprehensive​ Income​ (Loss), ​Reclassification ​Adjustment, ​Available For Sale To Held To Maturity, Before Tax Other​ Comprehensive​ Income​ (Loss), ​Reclassification ​Adjustment, ​Available For Sale To Held To Maturity, Before Tax Earnings allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Income producing commercial real estate Income Producing Commercial Real Estate [Member] Property that represents income producing commercial real estate. Restricted Stock Units Restricted stock units Restricted Stock Units (RSUs) [Member] Loans and leases held for investment Total loans Total loans Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Schedule of minimum amounts required for capital adequacy purposes Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] LIBOR London Interbank Offered Rate (LIBOR) [Member] Total revenue Revenues Net cash flow hedge activity, Net of tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Investment Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Financial instruments Unused Commitments to Extend Credit Fair Value, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Trust preferred securities Trust Preferred Securities [Member] Represents information of trust preferred securities. Amortization of intangibles Amortization of Intangible Assets Schedule of changes in the carrying amounts of goodwill Schedule of Goodwill [Table Text Block] Amortization of defined benefit pension plan net periodic pension cost components: Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Special Mention Special Mention [Member] Structure Extended Maturity [Member] Total shareholders' equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Directors Director [Member] Cancelled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vested (in shares) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other Than Options Exercisable Number This element represents share based compensation arrangement by share based payment award equity instruments other than option exercisable number. Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Commercial MBS Commercial Mortgage-Backed Securities [Member] Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Reliant Reliant Bancorp, Inc [Member] Reliant Bancorp, Inc U.S. Government agencies & GSEs US Government-sponsored Enterprises Debt Securities [Member] Schedule of reconciliation of liabilities measured at fair value on a recurring basis using significant unobservable inputs Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Proceeds from sales Proceeds from sales Proceeds from Sale of Debt Securities, Available-for-Sale Derivative assets - mortgage Derivative Assets Mortgage [Member] Derivative Assets Mortgage HTM, Fair Value, Not due at single maturity Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Retained Earnings Retained Earnings [Member] Deposits Deposits, Fair Value Disclosure Common stock dividends Dividends, Common Stock, Cash Cash flow hedge Interest Rate Cash Flow Hedge Asset at Fair Value Common stock, par value $1 per share Common Stock Common Stock [Member] Additional awards remaining available under plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Released / Exercised (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Impact of acquisitions Common stock issued and options converted Stock Issued During Period, Value, Acquisitions Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] HTM, Fair Value, 5 to 10 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Letters of credit Letter of Credit [Member] Schedule of quantitative information about Level 3 fair value measurements for fair value on a recurring basis Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Statistical Measurement [Axis] Statistical Measurement [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Equity Components [Axis] Equity Components [Axis] HTM, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract] Core deposit intangible Core Deposits [Member] Statement [Line Items] Statement [Line Items] Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Federal funds and other short-term investments Federal Funds Sold And Other Short-Term Investments Federal Funds Sold And Other Short-Term Investments Unearned income Sales Type And Direct Financing Leases, Deferred Selling Profit Sales Type And Direct Financing Leases, Deferred Selling Profit Variable Rate [Domain] Variable Rate [Domain] Intangibles subject to amortization, gross Finite-Lived Intangible Assets, Gross 2027 senior debentures Two Thousand Twenty Seven Senior Debentures [Member] Represents information of 2027 senior debentures. Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Transfers from Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Dealer offsets to customer derivative positions Dealer Offset To Customer Swap Position [Member] Represents the dealer offset to customer swap position. Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Realized (gains) losses included in net income, Before-tax Amount Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax 2024 Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two Document Transition Report Document Transition Report ACL - unfunded commitments, (Release) Provision Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Total other comprehensive income (loss), Before-tax Amount Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Local Phone Number Local Phone Number Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Recently Adopted Standards and Recently Issued Standards New Accounting Pronouncements, Policy [Policy Text Block] Unrealized losses on held-to-maturity securities transferred from available-for-sale: Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity [Abstract] Other​ Comprehensive​ Income​ (Loss), ​Unrealized Gain (Loss), Transfers To Held To Maturity Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans Proceeds From Issuance Of Common Stock For Dividend Reinvestment and Employee Benefit Plans Represents amount of cash inflow from the amount received from the stock plan and capital contributions to an entity associated with a dividend reinvestment plan during the period. Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Computation of basic and diluted earnings per share Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Total liabilities Liabilities, Fair Value Disclosure Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Income Statement [Abstract] Income Statement [Abstract] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Capital Surplus Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Unrealized Loss, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Net income per common share: Earnings Per Share, Basic [Abstract] Community First Capital Trust I Community First Capital Trust One [Member] Community First Capital Trust One Released / Exercised during period, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Mortgage loans held for sale Mortgages Held-For-Sale, After Nonrecurring Fair Value Adjustment, Carrying Value Mortgages Held-For-Sale, After Nonrecurring Fair Value Adjustment, Carrying Value Net unrealized (gains) losses, Before-tax Amount OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax Prepayment rate Measurement Input, Prepayment Rate [Member] Loans, including fees Interest and Fee Income, Loans and Leases Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] CET1 capital, Well-Capitalized Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Carrying Amount Reported Value Measurement [Member] Common stock issuable: 578,251 and 595,705 shares, respectively Common Stocks Issuable Represents amount of carrying amount of common stock issuable. Granted (in dollars 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 Securities (gains) losses, net Realized Investment Gains (Losses) Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Schedule of assets and liabilities measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Nonaccrual loans with an allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance Amount of financing receivable on nonaccrual status with an allowance for credit loss. Derivative Assets Derivative Asset [Member] Represents Derivative Asset. Net deferred tax asset Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Exercisable, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Preferred stock authorized (in shares) Preferred Stock, Shares Authorized Amortization of unrealized losses on HTM securities transferred from AFS: Accumulated Amortization Of Losses Included In Net Income On Available For Sale Securities Transferred To Held To Maturity [Member] Represents accumulated amortization of gains included in net income on available for sale securities transferred to held to maturity. HTM, Fair Value, More than 10 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Accumulated impairment losses on goodwill Goodwill, Impaired, Accumulated Impairment Loss Non-PCD loans: Business Combination, Acquired Receivables [Abstract] Net income available to common shareholders, basic Net income available to common shareholders, basic Net Income (Loss) Available to Common Stockholders, Basic Common stock issued (in shares) Common Stock, Shares, Issued Pledged Status [Domain] Pledged Status [Domain] Net cash flow hedge activity, Tax (Expense) Benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Schedule of loans modified under the terms of a TDR, including TDR loans that defaulted Financing Receivable, Troubled Debt Restructuring [Table Text Block] Merger-related and other charges Merger-related and other charges Business Combination, Acquisition Related Costs Cash flow hedging Cash Flow Hedging [Member] Long-term debt Long-term debt assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt 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] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Professional fees Professional Fees Comprehensive income (loss), Net of Tax Amount Comprehensive Income (Loss), Net of Tax, Attributable to Parent Entity Current Reporting Status Entity Current Reporting Status Leverage ratio, Well-Capitalized Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum HTM, Amortized Cost, Within 1 year Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Servicing rights for SBA/USDA loans, measurement input Servicing Asset, Measurement Input Minimum future lease payments receivable Sales-type and Direct Financing Leases, Lease Receivable Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Axis] Fair Value, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Total interest revenue Investment securities interest revenue Interest and Dividend Income, Operating Schedule of purchased assets and assumed liabilities Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Assets under management Assets under Management, Carrying Amount Beginning balance, outstanding (in shares) Ending balance, outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Loans Past Due, 30 - 59 Days Financial Asset, 30 to 59 Days Past Due [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Liabilities: Liabilities [Abstract] Premises and equipment, net Property, Plant and Equipment, Net Service charges and other related fees Noninterest Income, Other Depreciation, amortization and accretion, net Depreciation, Amortization and Accretion, Net Fair value adjustments included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings PPP loans included in commercial & industrial Commercial And Industrial Classification, PPP Loan Component [Member] Commercial And Industrial Classification, PPP Loan Component Title of Individual [Domain] Title of Individual [Domain] Communications and equipment Communications and Information Technology Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Long-term debt Total long-term debt Long-Term Debt Balance Sheet Location [Axis] Balance Sheet Location [Axis] Cash and due from banks Cash and Due from Banks Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Gains from sales of other loans, net Gain (Loss) on Sale of Loans and Leases Derivative assets, measurement input Derivative Asset, Measurement Input Regulatory Matters Regulatory Capital Requirements under Banking Regulations [Text Block] Unrealized holding gains (losses) on derivatives, Tax (Expense) Benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Loans held for investment Loans Held For Investment, After Nonrecurring Fair Value Adjustment, Carrying Value Loans Held For Investment, After Nonrecurring Fair Value Adjustment, Carrying Value Other Commitments [Table] Other Commitments [Table] Beginning balance (shares) Ending balance (shares) Shares, Outstanding Common stock dividends (in dollars per share) Common Stock, Dividends, Per Share, Declared Lending and loan servicing expense Loan Portfolio Expense Total intangible assets subject to amortization Finite-Lived Intangible Assets, Net Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Schedule of minimum future lease payments expected to be received from equipment financing lease contracts Sales-type and Direct Financing Leases, Lease Receivable, Maturity [Table Text Block] Options, Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Debt securities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Nonrecurring Adjustment [Domain] Nonrecurring Adjustment [Domain] Outstanding, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Residential mortgage servicing rights, measurement input Residential Mortgage Servicing Asset Measurement Input Residential Mortgage Servicing Asset, Measurement Input Subordinated debentures Subordinated Debt [Member] Number of banking branches Number Of Branches Represents number of branches operated by entity. Total Sales-Type and Direct Financing Leases, Lease Receivable, Payments to be Received Preferred stock, $1 par value: 10,000,000 shares authorized; 4,000 shares Series I issued and outstanding; $25,000 per share liquidation preference Preferred Stock, Including Additional Paid in Capital, Net of Discount Consolidated Entities [Axis] Consolidated Entities [Axis] Proceeds from FHLB advances Proceeds from FHLBank Borrowings, Financing Activities Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Schedule of Fair Value, Off-balance Sheet Risks [Table] Schedule of Fair Value, off-Balance-Sheet Risks [Table] Impact of equity-based compensation awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Repayment of FHLB advances Payments of FHLBank Borrowings, Financing Activities 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Amount of Gain (Loss) Recognized in Income on Derivatives Derivative, Gain (Loss) on Derivative, Net Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Non-credit discount Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) Service charges and fees Deposit Account [Member] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Investment securities, tax exempt Interest Income, Securities, Operating, Tax Exempt ACL - loans, Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Total loans Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Schedule of loans by aging category and accrual status Financing Receivable, Past Due [Table Text Block] Other assets Increase (Decrease) in Other Operating Assets Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Purchase price Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price Hedging Relationship [Domain] Hedging Relationship [Domain] Schedule of amortized cost and fair value of AFS and HTM securities by contractual maturity Investments Classified by Contractual Maturity Date [Table Text Block] Hedging Designation [Axis] Hedging Designation [Axis] Entity Filer Category Entity Filer Category Actual net income (loss) included since acquisition date Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual 2026 Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four Liabilities: Liabilities, Fair Value Disclosure [Abstract] Compensation expense Share-Based Payment Arrangement, Expense Security Exchange Name Security Exchange Name Beginning balance, outstanding (in dollars per share) Ending balance, outstanding (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Expected useful life of acquired intangible (in years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Losses on derivative instruments realized in net income, Net of Tax Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Accrued interest receivable Interest Receivable and Other Assets [Abstract] Total capital Banking Regulation, Total Risk-Based Capital Ratio, Actual Common stock issued in acquisition Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Risk participations Risk participations Risk Participations [Member] Represents information about risk participations. Loans Past Due, 60 - 89 Days Financial Asset, 60 to 89 Days Past Due [Member] Cover [Abstract] Cover [Abstract] Originated in current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year HTM, Fair Value, 1 to 5 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Gains from sales of other loans, net Gain (Loss) on Sales of Loans, Net Other assets Other Assets Actuarial losses Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Net cash received in acquisition Cash Acquired from Acquisition Schedule of presentation of assets measured at fair value on nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Pledging Purpose [Domain] Pledging Purpose [Domain] Forecast Forecast [Member] Net investment in leases Net investment in leases Net Investment in Lease, before Allowance for Credit Loss Cash paid for shares withheld to cover payroll taxes related to equity instruments Payment, Tax Withholding, Share-Based Payment Arrangement Total liabilities and shareholders' equity Liabilities and Equity Rate   Reduction Contractual Interest Rate Reduction [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Deposits Deposits [Member] Commercial MBS, Non-agency Commercial Mortgage-Backed Securities, Issued By Private Enterprises [Member] Debt securities collateralized by commercial real estate mortgage loans (mortgages), issued by non-governmental sponsored enterprises. Not designated as hedging instrument Not Designated as Hedging Instrument [Member] Short-term borrowings Interest Expense, Other Short-Term Borrowings Securities Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss Gross realized gains Debt Securities, Available-for-Sale, Realized Gain Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Diluted (in dollars per share) Earnings Per Share, Diluted Net income available to common shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted HTM, Amortized Cost, 5 to 10 years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Plan vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period CET1 capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual Less: Amounts subject to master netting agreements Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Schedule of accrued interest receivable Schedule Of Debt Securities Accrued Interest Receivable [Table Text Block] Schedule Of Debt Securities Accrued Interest Receivable Amortization of defined benefit pension plan net periodic pension cost components, Net of Tax Amount Other Comprehensive Income Loss Amortization Of Prior Service Cost And Actuarial Losses Include Net Periodic Pension Cost For Defined Benefit Pension Plan Net Of Tax Other comprehensive income amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, net of tax. Common Stock Issuable Common Stock Issuable [Member] Common stock issuable. Net interest revenue after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Schedule of Available-for-sale Securities [Table] Schedule of Available-for-Sale Securities [Table] Thereafter Sales-Type and Direct Financing Leases, Lease Receivable, To Be Received, After Year Four Sales-Type and Direct Financing Leases, Lease Receivable, To Be Received, After Year Four Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Corporate bonds Corporate Bonds Corporate Debt Securities [Member] HTM debt securities: Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Other operating expense Other Operating Expense [Member] Other Operating Expense Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Progress Progress Bank And Trust [Member] Progress Bank And Trust Total gross derivative instruments Derivative Asset, Subject to Master Netting Arrangement, before Offset Revolvers Financing Receivable, Excluding Accrued Interest, Revolving Entity Address, Address Line One Entity Address, Address Line One Outside services - electronic banking Noninterest Expense, Outside Services Electronic Banking Noninterest Expense, Outside Services Electronic Banking Product and Service [Axis] Product and Service [Axis] Class of Stock [Domain] Class of Stock [Domain] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total interest expense Total interest expense presented in the consolidated statements of income Interest Expense AFS debt securities: Debt Securities, Available-for-Sale [Abstract] Pull through rate Measurement Input, Pull Through Rate [Member] Measurement Input, Pull Through Rate [Member] Schedule of long-term debt Schedule of Long-Term Debt Instruments [Table Text Block] 2023 Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One Construction Construction Loans [Member] Interest-bearing deposits in banks Interest-Bearing Deposits in Banks and Other Financial Institutions Regulatory Capital Requirements Under Banking Regulations [Abstract] Regulatory Capital Requirements Under Banking Regulations Remainder of 2022 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Amortization of defined benefit pension plan net periodic pension cost components, Tax (Expense) Benefit Other Comprehensive Income Loss Amortization Of Prior Service Cost And Actuarial Losses Included In Net Periodic Pension Cost For Defined Benefit Pension Plan Tax Expense Benefit1 Represents amount of other comprehensive income (loss) amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, tax expense benefit. Premium amortization expense excluded from assessment of hedge effectiveness Loss from Components Excluded from Assessment of Cash Flow Hedge Effectiveness Current Loans Financial Asset, Not Past Due [Member] Liabilities: Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Amortization of unrealized losses, Tax (Expense) Benefit OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), Tax Schedule of loans held for sale at fair value under the fair value option Fair Value Option, Disclosures [Table Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Weighted- Average Grant- Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Interest-bearing deposits Interest-Bearing Deposit Liabilities CET1 capital, Minimum Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Leverage ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Supranational entities Other Debt Obligations [Member] Other Commitments [Line Items] Other Commitments [Line Items] Bank-owned life insurance Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Bank Owned Life Insurance Represents amount of Bank owned life insurance recognized as of the acquisition date. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] HTM, Fair Value Debt Securities, Held-to-Maturity, Fair Value, Rolling Maturity [Abstract] Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Proceeds from maturities and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Other Other expense Other Noninterest Expense Derivatives not designated as hedging instruments Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Unrealized losses associated with AFS debt securities transferred to HTM Debt Securities, Held-To-Maturity, Excluding Accrued Interest, Transferred From Available-For-Sale, Unrealized Gain (Loss) At Transfer Debt Securities, Held-To-Maturity, Excluding Accrued Interest, Transferred From Available-For-Sale, Unrealized Gain (Loss) At Transfer Debt Securities, Available For Sale And Held To Maturity [Table] Debt Securities, Available For Sale And Held To Maturity [Table] Debt Securities, Available For Sale And Held To Maturity [Table]